CN203985418U - Tobacco hybridization pollination pin - Google Patents

Abstract

The utility model provides a kind of tobacco hybridization pollination pin.Described tobacco hybridization pollination pin comprises shank and syringe needle, and the position near needle point on syringe needle offers Baltimore groove, and described Baltimore groove extends to the place, tip at needle point position.The utility model can be chosen pollen easily from male parent flower pollen sac, reduced while choosing powder pollen from needle tip come off and pollinating process the pollen phenomenon of being scattered; Its shank length is suitable, thickness is moderate, uses comfortable; Integrated operation is simple, easy to use, gets that powder amount is large, pollination speed is fast, time saving and energy saving, significantly improves pollination efficiency.

Description

Tobacco hybridization pollination pin

Technical field

The utility model relates to crops crossbreeding utensil, especially a kind of tobacco hybridization pollination pin.

Background technology

The breeding of tobacco hybridization seed mainly adopts the mode of artificial pollination to carry out.During pollination, generally, by the paternal pollen gathering in advance, with writing brush, cotton swab limit, dip in pollen limit and be coated on flower of female parent column cap; While doing a small amount of hybrid combination, directly pluck the flower of male parent, first corolla is torn off gently or cut off, expose the flower pesticide having shed, directly aim at maternal column cap and smear; These method pollination speed are all slow, and recruitment is many, and pollination efficiency and quality are all lower.Within 2013, Lee ancestor equality human hair understands " a kind of tobacco hybridization pollination pen " (Granted publication CN 203167758U), solved the defect that Traditional Man pollination speed is slow, recruitment is many, efficiency is low, pollination quality is poor, reduce pollination recruitment, significantly improve pollination speed and pollination quality, when reducing costs, improved tobacco seed output.But, adopting this pollination pen to pollinate is also after male parent flower is completely in full bloom, just can carry out, and male parent flower in full bloom after, partial pollen is scattered, the pollen that can pollinate is few, and the pollen of not getting rid of other tobacco bred is simultaneously imported into and sticked on male parent flower by media such as insects; In addition, existing these pollinating methods also exist pollen in colored capsule not to be utilized completely, and male parent flower wastage is large, and cigarette strain cultivated area is large, and the defect such as crossbreed production cost is high, pollination efficiency, Pollination Effect are poor.

For above-mentioned defect, 2013, Hubei Province tobacco research institute dialed medicine at a kind of tobacco artificial pollination pin of patent of invention of China application and openly mentions in getting powder hybridization pollination method (Granted publication number CN 102362577B) and with pollination pin, from pollen sac crack above male parent flower, choose pollen and be applied on maternal column cap.The long 10cm of pollination pin described in this patent, the diameter 0.05-0.12cm of pollination portion, the front end ovalisation tangent plane of splaying.Use pollination pin to carry out tobacco hybridization pollination, compare a pollination efficiency higher, and need under male parent flower state completely in full bloom, not pollinate.But practice finds, this pollination pin when getting powder pollen easily from the landing of needle point position, get that powder amount is few, pollen easily comes off from pollination needle point position during pollination, and pollination pin needle body is short, shank is thin, bad assurance, operation inconvenience.So it is necessary to invent pollination pin a kind of simple in structure, convenient and practical.

Summary of the invention

The purpose of this utility model is to provide a kind of easy to use, reasonable in design, saving of labor, the pin of tobacco hybridization pollination efficiently according to the deficiencies in the prior art, described pollination pin has solved original pollination pin while getting powder pollen easily from needle tip landing, get that powder amount is few, during pollination pollen easily from needle tip come off, the bad assurance of needle body, speed is slow, efficiency is low, pollination quality is poor defect, reduce pollination recruitment, significantly improve and get powder speed and pollination quality, when reducing costs, improved tobacco seed output.

The technical scheme that the utility model provides: described a kind of tobacco hybridization pollination pin, it is characterized in that: this pollination pin comprises shank and syringe needle, the position near needle point on syringe needle offers Baltimore groove, and described Baltimore groove extends to the place, tip at needle point position.

The further technical scheme of the utility model: shank and the syringe needle of described pollination pin are connected as a single entity, its shank is the cylindrical bar of diameter 4-6mm, length is 160-200mm; Described syringe needle is the taper shape of length 25-35mm, and wherein the length at needle point position is 8-12mm, and its tip diameter is 0.5-1.0mm.

The utility model is technical scheme preferably: described Baltimore groove is square strip groove, its length and needle point position equal in length, and wide is 0.3-1.0mm, dark 0.3-0.8mm.

The utility model is technical scheme preferably: described syringe needle and shank junction diameter are 3-5mm, middle part diameter 1.5-2.5mm.

The utility model is technical scheme preferably: the shank of described pollination pin, syringe needle and needle point position are to adopt the hard bamboo integral body system of cutting to form.

The utility model is technical scheme preferably: described Baltimore groove is less than the width near needle bar position near the position width of needle point.

The utility model beneficial effect:

(1) the utility model arranges one " recessed " shape groove at needle tip, can from male parent flower pollen sac, choose pollen easily, reduced while choosing powder pollen from needle tip come off and pollinating process the pollen phenomenon of being scattered;

(2) shank length of the present utility model is suitable, thickness is moderate, uses comfortable;

(3) the utility model volume is little, reasonable in design, simple to operate, easy to use, gets that powder amount is large, pollination speed is fast, time saving and energy saving, significantly improves pollination efficiency.

Accompanying drawing explanation

Tobacco hybridization pollination needle construction schematic diagram in Fig. 1 the utility model.

In figure: 1-shank, 2-syringe needle, 3-Baltimore groove, 4-needle point position.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.As shown in Figure 1, described tobacco hybridization pollination pin comprises shank 1 and syringe needle 2, shank 1 and syringe needle 2 are to adopt the good hard bamboo of the toughness integral body system of cutting to form, first bamboo being whittled into diameter is the cylindrical of 4-6mm, then fine away in the position that is 25-35mm in its one end length, form a conical syringe needle 2 that length is 25-35mm, conical syringe needle 2 is 3-5mm with the diameter of shank 1 junction, middle part diameter 1.5-2.5mm, and be 8-12mm by a length of front end sharpening formation of syringe needle 2, the needle point position 4 that its tip diameter is 0.5-1.0mm; Finally at needle point position 4, offer the square strip Baltimore groove 3 that a length equates with needle tip bit length, described wide be 0.3-1.0mm, dark 0.3-0.8mm, because syringe needle is conical, the diameter at needle point position is less than the diameter near needle bar position, so the width of Baltimore groove 3 also has some variations according to the diameter at needle point position, the general position width near needle point is less than the width near needle bar position, the width at close needle point position is at 0.3mm-0.4mm, and the width of close needle bar position is generally 0.6-0.8mm.

Below in conjunction with embodiment, the utility model is described in further detail: embodiment is that to take that the project artificial hybridization of Shiyan City, Hubei Province in 2014 gold legendary god of farming's flue-cured tobacco breeding base " the how anti-recurrent selection of flue-cured tobacco high-quality " pollinates be example, and its concrete steps are as follows:

Preparation before A, hybridization: before starting hybridization, first to get all the hybridization apparatus ready, as: spray hook, scissors, tweezers, pollination pin, seed packet, alcohol, cotton balls, label, pencil and notebook etc., and the straight line thin cord of spray hook lower end is tied up on operator's waist standby;

B, manufacturing appliance:

The preparation method of a pollination pin: select wooden hard, bamboo that toughness is strong, be whittled into long 180mm, the cylindric shank of diameter 5mm, is then whittled into conical syringe needle by one of shank, and syringe needle is gradually pointed toward needle point direction; The long 30mm of syringe needle, syringe needle and shank junction diameter are 4mm, middle part diameter 2mm, needle tip diameter 0.5-1.0mm; The long 10mm of needle point, diameter 0.5-1.0mm; " recessed " shape groove of a long 10mm, dark 0.3-0.8mm is established on needle point top, and described " recessed " shape groove is wide near needle tip is 0.3mm, near shank width, is 1.0mm;

The preparation method of b spray hook: with the iron wire of a long 18cm, diameter 0.2-0.3cm, bend and form serpentine spray hook, then in hook lower end, be a long 230cm thin cord, from hook lower end, 10cm beats at place first sling, down every 10cm place, make a call to a sling successively, make a call to altogether 10 slings, the 10th sling stays the long sling of not beating of 130cm below;

C, male parent flower are picked: choose the flower that corolla is open soon, flower pesticide has just split, from anthocaulus, cut gently, put into immediately utensil standby;

D, select maternal cigarette strain: select robust growth and there is the plant of this kind typicalness, must not select to bloom evening, diseased plant, weak strain and mix strain;

E, artificial pollination: pollination time selects sunny calm weather, generally can carry out at 9:00-11:00 or 15:00-18:00, and specific operation process is as follows:

(1) after maternal plant is chosen, with spray hook, hook maternal plant Yi Ge spray stem bottom, be pulled to operator front, according to operator's height and maternal plant height, with S shape spray hook lower end crotch, hook sling appropriate location, lower end, to facilitate the operations such as pollination;

(2) select maternal plant flower: with corolla top not opening or crack mouthful, corolla top color be pink as the maternal plant flower of hybridization, and flower pesticide not yet splits, column cap has expanded also flower slimy for well.Often select good strains in the field for seed and stay 10-20 flower, the flower of hybridization use all cuts off remaining flower, bud and capsule, in order to avoid mix after selecting;

(3) maternal emasculation: scratch gently to top with scissors from corolla middle part, five stamens are cut, then corolla is laterally cut off to 1/4-1/3, column cap is exposed;

(4) from the utensil of carrying, take out male parent flower, tear corolla and expose flower pesticide, left hand thumb, forefinger vertically pinch one piece of flower pesticide, the right hand with pollination pin from pollen sac below tail end forward terminal spine go, choose pollen.

(5) rapidly the pollen on pollination pin Baltimore groove is evenly put on maternal column cap, takes advantage of a situation and click gently on column cap with pollination pin, in order to avoid pollen comes off.

(6) repeating step (4) and step (5) are chosen the pollen of male parent flower opposite side pollen sac to be put on another flower of female parent column cap.

(7) often finish a hybrid combination, used apparatus all will be used wipes of alcohol wash clean, and wipes hand with cotton ball soaked in alcohol, in case take the pollen of this combination to next combination.

(8) bagging isolation and listing mark: after hybridization finishes, should put immediately seed packet, and the real sack of ligation, then hang up label, with pencil, on label, write hybrid combination, pollination date, flower number exactly, and be registered on notebook for future reference.

(9) pollinate latter about 7 days, with spray hook, hook Yi Ge spray stem bottom, be pulled to operator front, according to operator's height and maternal plant height, with spray hook lower end crotch, hook sling appropriate location, lower end, pluck seed packet, cut off newborn spray and bud, check write on label whether consistent with actual conditions, with error protection, as check errorless after, spray one time agricultural chemicals, control oriental tobacco budworm.Repeat above-mentioned steps, until all task finishes.

Use the utility model pollination pin disposable get powder success rate high, get that powder amount is large, to get powder quick, effectively improved pollination efficiency, be hybridized to power, ripening rate and seed quality.

Claims (6)

1. tobacco hybridization pollination pin, it is characterized in that: this pollination pin comprises shank (1) and syringe needle (2), in the upper position near needle point of syringe needle (2), offer Baltimore groove (3), described Baltimore groove (3) extends to the place, tip at needle point position (4).

2. tobacco hybridization pollination pin according to claim 1, is characterized in that: the shank of described pollination pin (1) is connected as a single entity with syringe needle (2), and its shank (1) is the cylindrical bar of diameter 4-6mm, and length is 160-200mm; Described syringe needle (2) is the taper shape of length 25-35mm, and wherein the length of needle point position (4) is 8-12mm, and its tip diameter is 0.5-1.0mm.

3. tobacco hybridization according to claim 1 and 2 pollination pin, is characterized in that: described Baltimore groove (3) be square strip groove, its length and needle point position (4) equal in length, and wide is 0.3-1.0mm, 0.3-0.8mm deeply.

4. tobacco hybridization pollination pin according to claim 1 and 2, is characterized in that: described syringe needle (2) is 3-5mm with shank (1) junction diameter, middle part diameter 1.5-2.5mm.

5. tobacco hybridization according to claim 1 pollination pin, is characterized in that: the shank of described pollination pin (1), syringe needle (2) and needle point position (4) are to adopt hard bamboo integral body to cut to make to form.

6. tobacco hybridization pollination pin according to claim 1 and 2, is characterized in that: described Baltimore groove (3) is less than the width near needle bar position near the position width of needle point.