CN117958136A - Leymus chinensis isolation hybridization breeding device - Google Patents
Leymus chinensis isolation hybridization breeding device Download PDFInfo
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- CN117958136A CN117958136A CN202410385371.XA CN202410385371A CN117958136A CN 117958136 A CN117958136 A CN 117958136A CN 202410385371 A CN202410385371 A CN 202410385371A CN 117958136 A CN117958136 A CN 117958136A
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- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
The invention relates to the technical field of plant breeding, in particular to a leymus chinensis isolated cross breeding device, which comprises a culture bin body and an air circulation part, wherein the culture bin body comprises a base and a cover body, a pollination part is further arranged in the cover body, the pollination sleeve comprises a mixing cylinder body and a sealing cover, and a first filter screen is arranged on the sealing cover; the mixing cylinder is also provided with a first air inlet nozzle, and a second filter screen is arranged in the first air inlet nozzle; the first charging and discharging module is connected with the air inlet nozzle and is used for conveying air into the mixing cylinder; or the air in the mixing cylinder is pumped out. The pollination part of the invention is utilized to carry out the pollination operation of the leymus chinensis, which can avoid disturbing the inflorescence of the leymus chinensis, further effectively prevent the pollen of the leymus chinensis to be pollinated from being captured by the stigma, greatly reduce the proportion occupied by self-pollination in the leymus chinensis breeding, and further improve the yield and quality of the leymus chinensis breeding.
Description
Technical Field
The invention relates to the technical field of plant breeding, in particular to a leymus chinensis isolated cross breeding device.
Background
The leymus chinensis belongs to the genus leymus of the family Gramineae, and is one of important grassland colonisation species in the eastern part of the Liu Yuan region of Europe. The leymus chinensis is known as 'national leymus chinensis', 'grass family forage grass king', belongs to a strategic biological resource which is superior in China, and plays an important role in the development of northern livestock industry in China and the protection of ecological environment.
Under natural conditions, the sheep grass seed group mainly takes asexual root tillering as an updating way, and sexual reproduction only plays an auxiliary role in natural updating of the group, so that the scion and fruiting rate of the sheep grass under natural conditions are low, the yield of the sheep grass seeds is severely limited, the degradation of a grassland is caused to a certain extent, and the ecological environment of grasslands and the economic sustainable development of agriculture and animal husbandry are influenced.
In the prior art, isolation hybridization breeding is generally adopted to solve the problems, and the specific operation is that after a plurality of leymus chinensis father/mother parents with excellent genes are screened in a targeted manner, the leymus chinensis father/mother parents are placed into an isolation box body and are hybridized and pollinated by means of wind power in a hybrid mode, so that the breeding quality and yield are improved.
For example, chinese patent application number CN201120017601.5 discloses a crop breeding isolation cover, which comprises a support bracket, and is characterized in that the upper portion of the support bracket is provided with a transparent cover body, the lower portion is provided with a pollen isolation net, the top of the transparent cover body is provided with a ventilation pipe, the ventilation pipe is provided with a wind cap, the ventilation pipe is internally provided with a wind-proof turning plate and a diversion fan, and the diversion fan is connected with a power supply device. By adopting the crop breeding isolation cover, the target crop and the non-target crop can be isolated when the crop pollinates, pollen is prevented from falling and contacting other non-target pollens when the crop pollinates, and the breeding quality is ensured; meanwhile, the crop breeding isolation cover can create a microclimate environment suitable for seed strain setting, and the quality of breeding yield is further improved. However, there remain disadvantages, as follows:
The leymus chinensis takes wind as a pollination medium in a natural environment, so that a fan is arranged on a breeding box in the prior art, and air in the breeding box flows by using the fan, so that the leymus chinensis completes pollination. However, two modes of self-pollination and cross-pollination exist in the reproductive characteristics of the leymus chinensis, wherein the self-pollination has the characteristic of incompatibility, the germination of the self-pollination pollen on the stigma can be inhibited, and the fruiting rate is obviously low; in the prior art, the air in the breeding box flows by using the fan, so that the mode of pollination of the leymus chinensis is completed, self-pollination of the leymus chinensis cannot be effectively controlled, and adverse effects are brought to the yield and quality of breeding.
Therefore, in the breeding work of the leymus chinensis, how to inhibit self-pollination of the leymus chinensis is a technical problem to be solved in the prior art.
Disclosure of Invention
The invention aims at: to the air flow that utilizes the fan to make in the breeding case that prior art exists for the mode that the pollination was accomplished to the chinese wildrye, can't effectively control chinese wildrye self-pollination, has brought the problem of adverse effect for the output and the quality of breeding, provides a chinese wildrye isolation crossbreeding device.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a leymus chinensis isolation hybridization breeding device, includes cultivates storehouse body and air circulation part, cultivate the storehouse body and be used for forming confined cultivation space, cultivate the storehouse body and include base and cover body, the cover body sets up on the base, be provided with the door on the cover body, the breeding personnel follow the door business turn over the cover body; a plurality of cultivation areas are divided on the base, and the cultivation areas are used for placing the leymus chinensis planting pot;
the air circulation component is communicated with the inner space of the cover body and is used for conveying air into the cover body;
a pollination part is also arranged in the cover body and comprises a suspender, a pollination sleeve and a first charging and discharging module,
The top of the cover body is provided with a sliding rail, the sliding rail is arranged corresponding to the cultivation area, the suspender is clamped on the sliding rail and can slide along the sliding rail, and the suspender is of a telescopic rod structure; the pollination sleeve comprises a mixing barrel and a sealing cover, the mixing barrel is vertically connected to the end part of the suspension rod, the length of the mixing barrel is larger than that of a leymus chinensis inflorescence, the diameter of the mixing barrel is larger than that of the leymus chinensis inflorescence, one end of the mixing barrel, which is far away from the suspension rod, is of an open structure, the sealing cover is detachably connected to one side of the open of the mixing barrel, and a first filter screen is arranged on the sealing cover; the mixing cylinder is also provided with a first air inlet nozzle which is communicated with the inner space of the pollination sleeve, a second filter screen is arranged in the first air inlet nozzle, and the mesh diameters of the first filter screen and the second filter screen are smaller than the minimum diameter of the leymus chinensis pollen; the first charging and discharging module is connected with the air inlet nozzle and is used for conveying air into the mixing cylinder or extracting air from the mixing cylinder.
Preferably, the mixing cylinder is also provided with a second air inlet nozzle, the inner wall of the mixing cylinder is provided with a bag sleeve, the surface of the bag sleeve is provided with a floss structure, and the floss structure is used for adhering pollen of the leymus chinensis; the second air inlet nozzle is communicated with the bag sleeve, a second air charging and discharging module is connected to the second air inlet nozzle, the bag sleeve is provided with a first state and a second state, and when the second air charging and discharging module charges air into the bag sleeve, the bag sleeve is inflated to form the first state; in the first state, the bag is sleeved with the mixing cylinder, and a containing cavity is formed in the mixing cylinder, wherein the diameter of the containing cavity is matched with the diameter of an inflorescence of the leymus chinensis; when the inflation and deflation module is used for pumping out the air in the bag sleeve, the bag sleeve is contracted to be stuck to the inner wall of the mixing cylinder body to form a second state.
Preferably, the inner wall of the mixing cylinder is provided with a rough surface.
Preferably, the bag cover is divided into independent bag body units along the central axis of the mixing cylinder, a plurality of second air inlet nozzles are correspondingly arranged on the mixing cylinder and communicated with the bag body units, and the second charging and discharging module can independently control one or simultaneously control the conversion of the plurality of bag body units between a first state and a second state.
Preferably, the bag body unit comprises a first surface and a second surface in a first state, the first surface is arranged corresponding to one side of the top of the mixing cylinder, the second surface is arranged corresponding to one side of the opening of the mixing cylinder, the first surface and the second surface are both arc surfaces, the length of a connecting line of arc endpoints of the first surface is smaller than that of a connecting line of arc endpoints of the second surface, and the connecting line of arc endpoints of the first surface and the connecting line of arc endpoints of the second surface form an obtuse angle.
Preferably, the cultivation bin body is also internally provided with a water and fertilizer supply part, and the water and fertilizer supply part is used for providing water and nutrient substances required by cultivation of the leymus chinensis.
Preferably, the cover body comprises a main body frame and a tarpaulin, the main body frame is in a cylindrical structure, the main body frame is detachably fixed on the base, the tarpaulin is covered on the main body frame, a door curtain is arranged at a position of the tarpaulin corresponding to the bin gate, and the door curtain is used for controlling the bin gate to be opened or closed; the top of tarpaulin still is equipped with ventilative mouth, ventilative mouthful department is provided with the gauze, the gauze is used for stopping the mosquito entering in the cover body.
Preferably, the gauze and the tarpaulin are detachably connected and matched.
Preferably, the top of the main body frame is provided in an arch structure.
Preferably, the width dimension of the door curtain is larger than that of the bin door, a first absorbing member is arranged at the edge of the door curtain, a second absorbing member is arranged on the tarpaulin and/or the main body frame, and the door curtain and the tarpaulin can form an arc-shaped structure when being attached through the cooperation of the first absorbing member and the second absorbing member.
Preferably, the bottom of the door curtain is provided with a weight block for lifting the weight of the door curtain.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. According to the leymus chinensis isolated cross breeding device, the culture bin body and the air circulation component are matched to form an independent and closed breeding environment, so that leymus chinensis stigmas are effectively prevented from being contacted with other non-target pollens during pollination operation, and the breeding quality is ensured; furthermore, the leymus chinensis isolated cross breeding device can correspondingly adjust the breeding environment in the culture bin body according to the growth and development stage of leymus chinensis, so that the breeding quality is further ensured; in the embodiment, the pollination part is utilized to carry out the pollination operation of the leymus chinensis, so that the inflorescence of the leymus chinensis can be prevented from being disturbed, further, the pollen of the leymus chinensis to be pollinated is effectively prevented from being captured by the stigma, the proportion of self-pollination in the leymus chinensis breeding is greatly reduced, and the yield and quality of the leymus chinensis breeding are further improved; in addition, the pollination part is utilized to carry out the pollination operation of the leymus chinensis, the inflorescences of the leymus chinensis can be always kept in a vertical state, even if the two parts are carelessly touched in the process of accommodating the leymus chinensis inflorescences by the mixing cylinder, pollen released by the leymus chinensis floret can move more to one side away from the column head under the action of air flow driven by the sleeving of the mixing cylinder and the action of gravity, so that the probability of capturing the pollen of the leymus chinensis to be pollinated by the column head is reduced, and the yield and quality of leymus chinensis breeding are further improved;
2. According to the leymus chinensis isolated cross breeding device, the pollination operation of the leymus chinensis by using the pollination part is divided into two stages; in the first-stage pollination process of the leymus chinensis, pollen diffused in the mixing cylinder body towards the inner wall direction of the mixing cylinder body can be adhered by the fluff structure arranged on the surface of the bag sleeve, so that waste of leymus chinensis pollen in the pollination process is reduced; further, in the process of waiting for the full contact of the pollen dispersed in the mixing cylinder body and the inflorescence of the leymus chinensis, the second charging and discharging device can be used for charging air into the bag sleeve, so that the bag sleeve is gradually expanded and unfolded to form a first state, and in the process, the bag sleeve is gradually compressed in the inner space of the mixing cylinder body, so that the pollen dispersed in the mixing cylinder body can be gradually gathered towards the inflorescence of the leymus chinensis, and the probability that the pollen is captured by the small-flower column head of the leymus chinensis is improved; in addition, in the process of gradually compressing the inner space of the mixing cylinder body, more pollen which is not captured by the small flower column heads of the leymus chinensis can be adhered, so that the waste of leymus chinensis pollen in the pollination process is further reduced; in the second stage, pollen adhered by the floss structure is used for pollination, so that the utilization rate of pollen is improved on one hand, and the total amount of pollen captured by the small flowers of the leymus chinensis after pollination is improved on the other hand, and the probability of successful pollination is effectively increased; in addition, during pollination operation in the second stage, under the action of inertia force generated by rapid expansion and unfolding of the bag sleeve, certain acceleration is generated on the fallen pollen, so that the pollen can be deeper into a fluff structure of the stigma, the risk of falling pollen from the stigma is reduced, and the success rate of pollination is improved;
3. According to the leymus chinensis isolated cross breeding device, the bag sleeve is divided into independent bag body units along the central shaft of the mixing cylinder, a plurality of second air inlet nozzles are correspondingly arranged on the mixing cylinder and communicated with the bag body units, and the second charging and discharging module can independently control one or simultaneously control the conversion of the bag body units between a first state and a second state. By adopting the structure, when pollination operation is carried out, the corresponding bag body units can be controlled to expand or contract in different areas, so that the disturbance of air flow pushed by the expansion of the bag sleeve to the inflorescence of the leymus chinensis is greatly weakened, the emission of the pollen of the leymus chinensis is effectively inhibited, the probability that the pollen of the leymus chinensis to be pollinated is captured by the stigma is reduced, and the yield and quality of leymus chinensis breeding are further improved. In addition, in the process that the bag body units are sequentially and rapidly converted from the second state to the first state according to a certain time interval from the top side of the mixing cylinder to the opening side of the mixing cylinder, the expansion of the bag body units can push air to flow to the opening side of the mixing cylinder, so that pollen which is not captured in the area can be transferred to a next pollination area under the drive of air flow, and the utilization rate of pollen is further improved; in still another aspect, in the pollination operation of the leymus chinensis, the opening of the mixing cylinder can be closed by controlling the bag body unit at one side of the opening of the mixing cylinder to expand, so that pollen is prevented from overflowing from the opening of the mixing cylinder in the pollination operation, and waste of leymus chinensis pollen in the pollination process is further reduced.
Drawings
FIG. 1 is a schematic structural diagram of a leymus chinensis isolated cross breeding device;
FIG. 2 is a schematic diagram of the main frame structure of a cover in a leymus chinensis isolated cross breeding device;
FIG. 3 is a schematic top view of a device for isolated cross breeding of leymus chinensis;
FIG. 4 is a schematic structural view of a pollination part in a leymus chinensis isolation hybridization breeding device;
fig. 5 is a schematic cross-sectional view of a pollination sleeve.
The marks in the figure: 1-cultivation cabin body, 2-air circulation part, 3-base, 4-cover body, 5-bin gate, 7-pollination part, 8-suspender, 9-pollination sleeve, 10-first filling and releasing module, 11-slide rail, 12-mixing cylinder, 13-closing cap, 14-first air inlet nozzle, 15-second air inlet nozzle, 16-bag cover, 17-second filling and releasing module, 18-bag body unit, 19-first surface, 20-second surface, 21-liquid manure supply part, 22-main body frame, 23-tarpaulin, 24-ventilation port, 25-gauze, 26-door curtain, 27-first absorbing part, 28-second absorbing part and 29-negative weight.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 5, the leymus chinensis isolated cross breeding device comprises a cultivation bin body 1 and an air circulation component 2, wherein the cultivation bin body 1 is used for forming a closed cultivation space, the cultivation bin body 1 comprises a base 3 and a cover body 4, the cover body 4 is arranged on the base 3, a bin gate 5 is arranged on the cover body 4, and breeding personnel can enter and exit the cover body 4 from the bin gate 5; a plurality of cultivation areas are divided on the base 3, and the cultivation areas are used for placing the leymus chinensis planting pot;
the air circulation part 2 is communicated with the inner space of the cover body 4, and the air circulation part 2 is used for conveying air into the cover body 4;
The pollination part 7 is further arranged in the cover body 4, the pollination part 7 comprises a hanging rod 8, a pollination sleeve 9 and a first charging and discharging module 10, a sliding rail 11 is arranged at the top of the cover body 4, the sliding rail 11 is arranged corresponding to the cultivation area, the hanging rod 8 is clamped on the sliding rail 11, the hanging rod 8 can slide along the sliding rail 11, and the hanging rod 8 is of a telescopic rod structure; the pollination sleeve 9 comprises a mixing barrel 12 and a sealing cover 13, the mixing barrel 12 is vertically connected to the end part of the hanging rod 8, the length of the mixing barrel 12 is larger than that of a leymus chinensis inflorescence, the diameter of the mixing barrel 12 is larger than that of the leymus chinensis inflorescence, one end of the mixing barrel 12 far away from the hanging rod 8 is of an open-mouth structure, the sealing cover 13 is detachably connected to one side of the open mouth of the mixing barrel 12, and a first filter screen is arranged on the sealing cover 13; the mixing barrel 12 is also provided with a first air inlet nozzle 14, the first air inlet nozzle 14 is communicated with the inner space of the pollination sleeve 9, a second filter screen is arranged in the first air inlet nozzle 14, and the mesh diameters of the first filter screen and the second filter screen are smaller than the minimum diameter of the leymus chinensis pollen; the first charging and discharging module 10 is connected with the air inlet nozzle, and the first charging and discharging module 10 is used for conveying air into the mixing cylinder 12 or exhausting air in the mixing cylinder 12.
By adopting the leymus chinensis isolated cross breeding device, the culture bin body 1 and the air circulation component 2 are matched to form an independent and closed breeding environment, so that leymus chinensis heads are effectively prevented from being contacted with other non-target pollen during pollination operation, and the breeding quality is ensured; furthermore, the leymus chinensis isolated cross breeding device can correspondingly adjust the breeding environment in the culture bin body 1 according to the growth and development stage of leymus chinensis, so that the breeding quality is further ensured; in the embodiment, the pollination part 7 is utilized to carry out the pollination operation of the leymus chinensis, so that the inflorescence of the leymus chinensis can be prevented from being disturbed, further, the pollen of the leymus chinensis to be pollinated is effectively prevented from being captured by the stigma, the proportion of self-pollination in the leymus chinensis breeding is greatly reduced, and the yield and quality of the leymus chinensis breeding are further improved; in addition, the pollination part 7 is utilized to carry out the pollination operation of the leymus chinensis, the inflorescences of the leymus chinensis can be always kept in a vertical state, even if the two parts are carelessly touched in the process of accommodating the leymus chinensis inflorescences by the mixing cylinder 12, pollen released by the leymus chinensis florets can move to one side deviating from the stigma under the action of air flow driven by the sleeving of the mixing cylinder 12 and the action of gravity, so that the probability of capturing the pollen of the leymus chinensis to be pollinated by the stigma is reduced, and the yield and quality of leymus chinensis breeding are further improved.
Specifically, in this embodiment, the base 3 is formed by casting concrete with the reference number of C30, and the thickness of the base 3 is 300mm, and the diameter is 2100mm; the air circulation component 2 comprises an air pipe and an air pump, one end of the air pipe is connected with the cover body 4, and the other end of the air pipe is connected with the air pump; in the embodiment, the power of the air pump is 22KW, the air quantity is 35 square meters per minute, the air pipe is a PVC pipeline, and the specification of the air pipe is DN200; the first charging and discharging module 10 comprises a first high-pressure pump, a first negative pressure pump and a first high-pressure pipe, one end of the first high-pressure pipe is provided with a three-way joint, the other end of the first high-pressure pipe is connected with the first air inlet nozzle 14, the first high-pressure pump and the first negative pressure pump are communicated with the first high-pressure pipe through the three-way joint, and high-pressure gas is conveyed into the pollination sleeve 9 through the first high-pressure pipe when the first high-pressure pump is started; when the first negative pressure pump is started, the air in the pollination sleeve 9 can be pumped out; in this embodiment, the mixing cylinder 12 and the cover 13 are in threaded engagement.
Specifically, in this embodiment, when the pollination part 7 is used to perform the pollination operation of the leymus chinensis, the pollination sleeve 9 is moved to the leymus chinensis cultivation area to be pollinated, then the sealing cover 13 is unscrewed, a certain amount of leymus chinensis pollen is placed in the inner cavity of the sealing cover 13, and then the sealing cover 13 is covered on the mixing cylinder 12 again; starting the first filling and discharging module 10, conveying air into the pollination sleeve 9 by using the first filling and discharging module 10, or sucking out the air in the mixing cylinder 12 by using the first filling and discharging module 10, or alternately conveying air into the mixing cylinder 12 by using the first filling and discharging module 10/sucking out the air in the mixing cylinder 12, so that turbulence is generated in the pollination sleeve 9, and the leymus chinensis pollen placed on the sealing cover 13 can be dispersed by the air turbulence, fully dispersed in the pollination sleeve 9, and then closing the first filling and discharging module 10, unscrewing the sealing cover 13, pulling down the hanging rod 8 to extend until the mixing cylinder 12 completely accommodates the leymus chinensis inflorescence; waiting for a period of time to ensure that pollen dispersed by the mixing cylinder 12 is fully contacted with the inflorescences of the leymus chinensis, and finishing pollination operation of the leymus chinensis.
In another embodiment, a temperature adjusting component is further arranged in the cover body 4, and the temperature adjusting component is used for adjusting and controlling the temperature of the breeding environment in the cover body 4. Specifically, the temperature adjusting component includes a heat dissipating module and a heating module, wherein the heat dissipating module may be configured as an ice bucket, an air conditioner, an exhaust fan, etc., and care should be taken to avoid causing too severe air flow in the cover 4 when the air conditioner and the exhaust fan are used as the heat dissipating module, especially the blown air cannot directly face the inflorescence of the leymus chinensis; the heating module may be provided as an electric heating stove.
Example 2
As shown in fig. 4 and fig. 5, the present invention provides a leymus chinensis isolated cross breeding device, further, based on the above manner, a second air inlet nozzle 15 is further provided on the mixing cylinder 12, a bag cover 16 is provided on the inner wall of the mixing cylinder 12, a fluff structure is provided on the surface of the bag cover 16, and the fluff structure is used for adhering the pollen of leymus chinensis; the second air inlet nozzle 15 is communicated with the bag sleeve 16, a second charging and discharging module 17 is connected to the second air inlet nozzle 15, the bag sleeve 16 has a first state and a second state, and when the second charging and discharging module 17 charges air into the bag sleeve 16, the bag sleeve 16 expands to form the first state; in the first state, the bag cover 16 is provided with a containing cavity in the mixing cylinder 12, and the diameter of the containing cavity is matched with the diameter of the leymus chinensis inflorescence; when the inflation and deflation module withdraws the air in the bladder 16, the bladder 16 contracts against the inner wall of the mixing cylinder 12 to form a second state.
Specifically, the pollination operation of the leymus chinensis by using the pollination part 7 in the embodiment is divided into two stages;
Firstly, setting the bag sleeve 16 into a second state before pollination operation of the leymus chinensis, then moving the pollination sleeve 9 to a leymus chinensis to be pollinated for cultivation, unscrewing the sealing cover 13, placing a certain amount of leymus chinensis pollen into the inner cavity of the sealing cover 13, and then re-covering the sealing cover 13 on the mixing cylinder 12; starting the first filling and discharging module 10, conveying air into the pollination sleeve 9 by using the first filling and discharging module 10, or sucking out the air in the mixing cylinder 12 by using the first filling and discharging module 10, or alternately conveying air into the mixing cylinder 12 by using the first filling and discharging module 10/sucking out the air in the mixing cylinder 12, so that turbulence is generated in the pollination sleeve 9, and the leymus chinensis pollen placed on the sealing cover 13 can be dispersed by the air turbulence, fully dispersed in the pollination sleeve 9, and then closing the first filling and discharging module 10, unscrewing the sealing cover 13, pulling down the hanging rod 8 to extend until the mixing cylinder 12 completely accommodates the leymus chinensis inflorescence; waiting for a period of time to ensure that pollen dispersed by the mixing cylinder 12 is fully contacted with the inflorescences of the leymus chinensis, namely finishing pollination operation of the leymus chinensis in the first stage; pollen diffused in the mixing cylinder 12 towards the inner wall direction of the mixing cylinder is adhered by the fluff structure arranged on the surface of the bag sleeve 16 in the pollination process of the first stage of the leymus chinensis, so that waste of the leymus chinensis pollen in the pollination process is reduced; further, in the process of waiting for the full contact between the pollen dispersed in the mixing cylinder 12 and the inflorescence of the leymus chinensis, the second charging and discharging device can be used for charging air into the bag sleeve 16, so that the bag sleeve 16 is gradually inflated and unfolded to form a first state, and in the process, the bag sleeve 16 gradually compresses the inner space of the mixing cylinder 12, so that the pollen dispersed in the mixing cylinder 12 can be gradually gathered towards the inflorescence of the leymus chinensis, and the probability of capturing the pollen by the small-flower column heads of the leymus chinensis is improved; in addition, in the process of gradually compressing the inner space of the mixing cylinder 12, the bag sleeve 16 can also adhere more pollen which is not captured by the small flower column heads of the leymus chinensis, so that the waste of leymus chinensis pollen in the pollination process is further reduced;
During pollination operation of the second stage of the leymus chinensis, air is filled into the bag sleeve 16 by utilizing the second filling and discharging device, so that the bag sleeve 16 is quickly converted into a first state from a second state, the bag sleeve 16 is quickly expanded and unfolded in the process, pollen which is originally adhered to the fluff structure can fall off under the action of inertia force, and is dispersed in the accommodating cavity formed in the mixing cylinder 12 again, and at the moment, the pollen dispersed in the accommodating cavity is fully contacted with inflorescences of the leymus chinensis, so that pollination operation of the second stage of the leymus chinensis is completed; after the pollination operation of the second stage of the leymus chinensis is finished, the total amount of pollen captured by the leymus chinensis florets after the pollination operation is improved, so that the probability of successful pollination is effectively increased, and the quality of the pollination operation is improved; in addition, during the pollination operation in the second stage, under the action of the inertia force generated by the rapid expansion and unfolding of the bag sleeve 16, the fallen pollen generates a certain acceleration, so that the pollen can be deeper into the fluff structure of the stigma, the risk of falling pollen from the stigma is reduced, and the success rate of pollination is improved.
In this embodiment, the second charging and discharging device includes a second high-pressure pump, a second negative pressure pump, and a second high-pressure pipe, one end of the second high-pressure pipe is communicated with the second air inlet nozzle 15, the other end is provided with a three-way joint, the second high-pressure pump and the second negative pressure pump are communicated with the first high-pressure pipe through the three-way joint, and when the second high-pressure pump is started, high-pressure gas is conveyed into the bag sleeve 16 through the second high-pressure pipe; when the second negative pressure pump is turned on, air in the cuff 16 can be drawn out;
In the embodiment, the pollen dispersed in the mixing cylinder 12 is adhered by the fluff structure in the first stage, so that the waste of the leymus chinensis pollen in the pollination process can be reduced; in the second stage, pollen adhered by the floss structure is used for pollination, so that the utilization rate of pollen is improved on one hand, and the total amount of pollen captured by the small flowers of the leymus chinensis after pollination is improved on the other hand, and the probability of successful pollination is effectively increased.
In this embodiment, pollen can also be directly coated on the floss structure arranged on the surface of the bag cover 16 by using a soft brush, and then air is filled into the bag cover 16 by using the second filling and discharging device, so that the bag cover 16 is quickly converted into the first state from the second state, and the pollen falls off from the floss structure and obtains acceleration by using the inertia force generated by the rapid expansion and unfolding of the bag cover 16, and moves towards the inflorescence direction of the leymus chinensis, so that the pollen is finally captured by the stigmas of the leymus chinensis florets to complete pollination operation. By adopting the pollination mode, the pollination operation speed can be increased.
As a preferred embodiment, further, the inner wall of the mixing cylinder 12 is provided with a roughened surface on the basis of the above-described manner. With this arrangement, the cuff 16 is able to have more folds on its surface in the second condition, thereby allowing pollen to adhere more stably to the pile structure.
As a preferred embodiment, further, the bladder 16 is divided into separate bladder units 18 along the central axis of the mixing cylinder 12, the mixing cylinder 12 is provided with a plurality of second air inlet nozzles 15 respectively, and the second air inlet nozzles 15 are communicated with the bladder units 18, and the second air charging and discharging module 17 can independently control one or simultaneously control the plurality of bladder units 18 to switch between the first state and the second state.
Specifically, in this embodiment, during the pollination operation in the second stage of the leymus chinensis, the capsule unit 18 is controlled to be rapidly changed from the second state to the first state from the top side of the mixing cylinder 12 to the open side of the mixing cylinder 12 sequentially at a certain time interval. By adopting the structure, when pollination operation is carried out, the corresponding bag body units 18 can be controlled to expand or contract in different areas, so that the disturbance of air flow pushed by the expansion of the bag sleeve 16 to the leymus chinensis inflorescences is greatly weakened, the emission of the leymus chinensis pollen is effectively inhibited, the probability that the leymus chinensis pollen to be pollinated is captured by the stigma is reduced, and the yield and quality of leymus chinensis breeding are further improved. In addition, from the top side of the mixing cylinder 12 to the open side of the mixing cylinder 12, in the process that the bag body unit 18 is sequentially and rapidly changed from the second state to the first state according to a certain time interval, the expansion of the bag body unit 18 can push air to flow to the open side of the mixing cylinder 12, so that the pollen which is not captured in the area can be transferred to the next pollination area under the driving of the air flow, and the utilization rate of the pollen is further improved; in still another aspect, in the pollination operation of the leymus chinensis, the opening of the mixing cylinder 12 can be closed by controlling the expansion of the bag unit 18 at the side of the opening of the mixing cylinder 12, thus preventing pollen from overflowing from the opening of the mixing cylinder 12 in the pollination operation, thereby further reducing waste of leymus chinensis pollen in the pollination process.
As a preferred embodiment, further, the capsule unit 18 includes a first surface 19 and a second surface 20 in the first state, the first surface 19 is disposed corresponding to a top side of the mixing drum 12, the second surface 20 is disposed corresponding to an open side of the mixing drum 12, the first surface 19 and the second surface 20 are both configured as arc surfaces, a length of a connecting line of an arc end point of the first surface 19 is smaller than a length of a connecting line of an arc end point of the second surface 20, and a connecting line of an arc end point of the first surface 19 and a connecting line of an arc end point of the second surface 20 form an obtuse angle.
In this embodiment, in the first state, the second surface 20 of the bag unit 18 is oriented to correspond to the opening direction of the small flowers of the leymus chinensis, so that after pollen adhered to the floss structure falls off under the action of inertia force, the movement direction of the pollen can be more matched with the opening direction of the small flowers of the leymus chinensis, thereby improving the probability of capturing pollen by the stigmas.
Example 3
As shown in fig. 1, in the present invention, on the basis of the above mode, a water and fertilizer supply part 21 is further disposed in the culture bin body 1, and the water and fertilizer supply part 21 is used for providing water and nutrients required for cultivating the leymus chinensis.
Specifically, in this embodiment the liquid manure supply part 21 includes water pump, water pipe and joint pipeline, and the water pump sets up in liquid manure storehouse, and the water pipe is made with the water pump intercommunication, and the water pipe adopts the PVC material to make, and the specification of water pipe is DN25, and the thickness at the earth's surface 500mm is buried underground to the water pipe, and joint pipeline one end and water pipe intercommunication, the other end setting are in cultivate in storehouse body 1, still be provided with a plurality of shower nozzles on the joint pipeline. In this embodiment, the water and fertilizer supply unit 21 can provide water and nutrients required by the cultivation of the leymus chinensis more conveniently in the cultivation of the leymus chinensis, so that the practicability of the invention in practical application is improved.
In another embodiment, a drainage pipeline is further arranged on the base 3, the drainage pipeline is communicated with the external environment, and a filter screen is further arranged at the opening of the drainage pipeline. By adopting the structure, the unutilized water in the culture bin body 1 can be discharged in time, and the damage to the leymus chinensis breeding environment caused by water aggregation is avoided. Further, the filter screen is arranged at the opening of the drainage pipeline, so that mosquitoes can be prevented from entering the culture bin body 1 through the drainage pipeline, and the cleanliness of the breeding environment is further improved.
Example 4
As shown in fig. 1 to 3, the present invention provides a leymus chinensis isolated cross breeding device, further, based on the above manner, the cover 4 includes a main body frame 22 and a tarpaulin 23, the main body frame 22 is configured as a cylindrical structure, the main body frame 22 is detachably fixed on the base 3, the tarpaulin 23 covers the main body frame 22, a door curtain 26 is disposed at a position of the tarpaulin 23 corresponding to the door 5, and the door curtain 26 is used for controlling the door 5 to be opened or closed; the top of tarpaulin 23 still is equipped with ventilative mouth 24, ventilative mouth 24 department is provided with gauze 25, gauze 25 is used for stopping the mosquito entering in the cover body 4.
Specifically, in this embodiment, the main body frame 22 includes a vertical member and a transverse member, where the length of the vertical member is 2000mm, the vertical member is made of square steel material with a specification of 40mm x 1.2mm, the bottom of the vertical member is provided with a bolt hole, the base 3 is pre-embedded with a bolt, and the vertical member is fixed on the base 3 through the cooperation of the bolt and the nut; the cross members are equidistantly arranged into three channels, and are made of hot dip galvanized steel strips with the thickness of 4mm and the width of 40 mm; the transverse member is connected to the vertical member by welding; the awning cloth 23 is made of PVDF film, the tensile strength of the awning cloth is larger than or equal to 4000N/square meter, and the door curtain 26 is made of 4*8-mesh anti-theft net. With this structural arrangement, the overall structure of the cover 4 can be simplified, and the construction/use cost of the cover 4 can be reduced.
As a preferred embodiment, on the basis of the above mode, further, the gauze 25 is detachably connected and matched with the tarpaulin 23.
Specifically, in this embodiment, a zipper is provided between the gauze 25 and the tarpaulin 23. With this structural arrangement, the replacement of the screen 25 is facilitated, thereby further improving the practical applicability of the present invention in practical use.
Further, as a preferred embodiment, the top of the main body frame 22 is configured as an arch.
By adopting the structure, rain, snow, impurities and the like are effectively prevented from accumulating at the top of the main body frame 22, the bearing pressure of the main body frame 22 in daily use is reduced, and the service life of the main body frame 22 is prolonged.
In a preferred embodiment, in addition to the above-mentioned mode, the width of the door curtain 26 is greater than the width of the bin gate 5, the edge of the door curtain 26 is provided with a first absorbing member 27, the tarpaulin 23 and/or the main frame 22 is provided with a second absorbing member 28, and the first absorbing member 27 and the second absorbing member 28 cooperate to ensure that the door curtain 26 forms an arc structure when being attached to the tarpaulin 23.
In this embodiment, the cooperation of the first absorbing member 27 and the second absorbing member 28 may improve the degree of adhesion between the door curtain 26 and the awning cloth 23 when the door curtain 26 is closed, so that the degree of closure of the door curtain 26 to the bin gate 5 is higher in the closed state, which is more favorable for forming a clean breeding environment in the cultivation bin body 1. On the other hand, providing the cooperation of the first absorbent member 27 and the second absorbent member 28 also improves the convenience of opening/closing the door curtain 26.
As a preferred embodiment, further, on the basis of the above manner, the bottom of the door curtain 26 is provided with a weight block 29, and the weight block 29 is used for lifting the weight of the door curtain 26. With this structural arrangement, the speed at which the curtain 26 closes can be increased.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The leymus chinensis isolated cross breeding device is characterized by comprising a cultivation bin body and an air circulation component, wherein the cultivation bin body is used for forming a closed cultivation space, the cultivation bin body comprises a base and a cover body, the cover body is arranged on the base, a bin gate is arranged on the cover body, and breeding personnel enter and exit the cover body from the bin gate; a plurality of cultivation areas are divided on the base, and the cultivation areas are used for placing the leymus chinensis planting pot; the air circulation component is communicated with the inner space of the cover body and is used for conveying air into the cover body; the pollination device is characterized in that a pollination part is further arranged in the cover body and comprises a suspender, a pollination sleeve and a first charging and discharging module, a sliding rail is arranged at the top of the cover body and corresponds to the cultivation area, the suspender is clamped on the sliding rail and can slide along the sliding rail, and the suspender is of a telescopic rod structure; the pollination sleeve comprises a mixing barrel and a sealing cover, the mixing barrel is vertically connected to the end part of the suspension rod, the length of the mixing barrel is larger than that of a leymus chinensis inflorescence, the diameter of the mixing barrel is larger than that of the leymus chinensis inflorescence, one end of the mixing barrel, which is far away from the suspension rod, is of an open structure, the sealing cover is detachably connected to one side of the open of the mixing barrel, and a first filter screen is arranged on the sealing cover; the mixing cylinder is also provided with a first air inlet nozzle which is communicated with the inner space of the pollination sleeve, a second filter screen is arranged in the first air inlet nozzle, and the mesh diameters of the first filter screen and the second filter screen are smaller than the minimum diameter of the leymus chinensis pollen; the first charging and discharging module is connected with the air inlet nozzle and is used for conveying air into the mixing cylinder or extracting air from the mixing cylinder.
2. The leymus chinensis isolated cross breeding device according to claim 1, wherein the mixing cylinder is further provided with a second air inlet nozzle, the inner wall of the mixing cylinder is provided with a bag sleeve, the surface of the bag sleeve is provided with a floss structure, and the floss structure is used for adhering pollen of leymus chinensis; the second air inlet nozzle is communicated with the bag sleeve, a second air charging and discharging module is connected to the second air inlet nozzle, the bag sleeve is provided with a first state and a second state, and when the second air charging and discharging module charges air into the bag sleeve, the bag sleeve is inflated to form the first state; in the first state, the bag is sleeved with the mixing cylinder, and a containing cavity is formed in the mixing cylinder, wherein the diameter of the containing cavity is matched with the diameter of an inflorescence of the leymus chinensis; when the inflation and deflation module is used for pumping out the air in the bag sleeve, the bag sleeve is contracted to be stuck to the inner wall of the mixing cylinder body to form a second state.
3. The leymus chinensis isolated cross breeding device according to claim 2, wherein the inner wall of the mixing cylinder is provided with a rough surface.
4. A leymus chinensis isolation hybridization breeding device according to claim 3, wherein the bag cover is divided into independent bag body units along the central axis of the mixing cylinder, a plurality of second air inlet nozzles are correspondingly arranged on the mixing cylinder and communicated with the bag body units, and the second charging and discharging module can independently control one or simultaneously control the plurality of bag body units to switch between a first state and a second state.
5. The device of claim 4, wherein the bag unit comprises a first surface and a second surface in a first state, the first surface is disposed corresponding to a top side of the mixing cylinder, the second surface is disposed corresponding to an opening side of the mixing cylinder, the first surface and the second surface are both disposed as arc surfaces, a length of a connecting line of arc endpoints of the first surface is smaller than a length of a connecting line of arc endpoints of the second surface, and a connecting line of arc endpoints of the first surface and a connecting line of arc endpoints of the second surface form an obtuse angle.
6. The device for isolated cross breeding of leymus chinensis according to any one of claims 1 to 5, wherein a water and fertilizer supply part is further arranged in the culture bin body, and the water and fertilizer supply part is used for providing water and nutrient substances required by leymus chinensis cultivation.
7. The leymus chinensis isolated cross breeding device according to claim 6, wherein the cover body comprises a main body frame and a piece of tarpaulin, the main body frame is in a cylindrical structure, the main body frame is detachably fixed on the base, the tarpaulin is covered on the main body frame, a door curtain is arranged at a position, corresponding to the bin gate, of the tarpaulin, and the door curtain is used for controlling the bin gate to be opened or closed; the top of tarpaulin still is equipped with ventilative mouth, ventilative mouthful department is provided with the gauze, the gauze is used for stopping the mosquito entering in the cover body.
8. The leymus chinensis isolation crossbreeding device of claim 7, wherein said gauze is detachably connected to said tarpaulin.
9. The leymus chinensis isolation crossbreeding device of claim 8, wherein the top of the main body frame is configured as an arch.
10. The leymus chinensis isolated cross breeding device according to claim 9, wherein the width dimension of the door curtain is larger than that of the bin gate, a first absorption part is arranged at the edge of the door curtain, a second absorption part is arranged on the tarpaulin and/or the main body frame, and the door curtain and the tarpaulin can form an arc-shaped structure when being attached through the cooperation of the first absorption part and the second absorption part; the bottom of the door curtain is provided with a load-bearing block, and the load-bearing block is used for lifting the weight of the door curtain.
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| CN202410385371.XA CN117958136A (en) | 2024-04-01 | 2024-04-01 | Leymus chinensis isolation hybridization breeding device |
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