CN104012553B - Dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof - Google Patents
Dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof Download PDFInfo
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- CN104012553B CN104012553B CN201410260841.6A CN201410260841A CN104012553B CN 104012553 B CN104012553 B CN 104012553B CN 201410260841 A CN201410260841 A CN 201410260841A CN 104012553 B CN104012553 B CN 104012553B
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Abstract
The invention discloses dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof; belong to crop protection technical field; it is characterized in that: the active component comprised is penoxsuam and Quizalotop-ethyl; the weight ratio of penoxsuam and Quizalotop-ethyl is 1 ~ 85: 85 ~ 1, and active component accounts for 10 ~ 96% of weed killer herbicide gross weight.This weed killer herbicide can not only make the weeds in dry land lose resistance to Quizalotop-ethyl, and can remove the weeds of more multi items; And the weeds in paddy field can be made to lose resistance to penoxsuam, widen the herbicide spectrum of penoxsuam.The two is complemented each other, obtains unforeseeable synergistic effect.Synergistic effect show as wider Weeds distribution spectrum, the faster onset of herbicide effect, more lasting control efficiency, by once or minority use several times and just can control harmful crop better and broaden dispenser interval.
Description
Technical field
The invention belongs to crop protection technical field, be specifically related to the dual-purpose weed killer herbicide in a kind of floods and droughts field and usage.
Background technology
In recent years, the dual-purpose weed killer herbicide in floods and droughts field develops rapidly, kind also emerges in an endless stream, successively emerge in large numbers the dissimilar weed killer herbicide such as diphenyl ether, thiocarbamates, amide-type, quinoline carboxylic acid and sulfonylurea, define the comparatively perfect Chemical Weeding System being applicable to paddy field and dry land different planting, and be used as well stimulation indispensable, very important in the production of floods and droughts field.
In the process used, along with large-area lasting use, there is the problems such as Weed Resistance ability enhancing in above-mentioned weed killer herbicide, for barnyard grass, comparatively outstanding to the resistance of Stam F-34, dichloro quinolinic acid, butachlor and benthiocarb.Recently, difformed galingale herb, firefly Lin, arrowhead, Monochoria korsakowii and Monochoria vaginalis etc. are that the common weed such as sedge family, Pontederiaceae, Alismataceae of representative creates resistance to sulfonylurea herbicide.
Quizalotop-ethyl belongs to traditional phenoxy group ester herbicide, it is selectivity inner sucting conduction type dry land herbicide, effectively can prevent and treat life in 1 year and perennial broadleaf weed and nutgrass flatsedge, can be absorbed by weeds root, leaf and pass to other positions, but be long-term used in dry land, the weeds such as sedge family and Alismataceae produce resistance to it, and herbicidal effect reduces.
Penoxsuam is rice field broad-spectrum herbicide, effectively can prevent and kill off barnyard grass (comprising the barnyard grass to producing resistance to Stam F-34, dichloro quinolinic acid and acetyl-CoA carboxylase), moleplant seed and annual sedge weed, and effective to numerous broad leaved weeds such as the raw different stamen flower in natural pond, carp intestines, sesbania and Monochoria vaginalis.Also can prevent and kill off the weeds of anti-bensulfuron-methyl in rice field, and have residual activity to many broad-leaveds and sedge weed and barnyard grass etc., be the kind that herbicide spectrum in current herbicide for rice field is the widest.But its weeding rate still has much room for improvement.
This just makes weeding problem more complicated.The harm of perennial weed becomes major issue: sedge family perennial weed is particularly outstanding; Advanced age barnyard grass and moleplant seed also to effectively prevent and kill off.Need the herbicide of weed killer herbicide to compose and need to be expanded, and extend the lasting phase that soil prevents and kill off medicament.Along with Direct-seeding Rice area under cultivation constantly expands, the weed killer herbicide demand strong, easy to use for wide spectrum, selectivity is more urgent.
Summary of the invention
Technical problem to be solved by this invention is to provide dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof, can improve its herbicidal effect.
For solving the problems of the technologies described above, technical scheme of the present invention is: invent the dual-purpose weed killer herbicide in a kind of floods and droughts field, it is characterized in that: the active component comprised is penoxsuam and Quizalotop-ethyl, the weight ratio of penoxsuam and Quizalotop-ethyl is 1 ~ 85: 85 ~ 1, active component accounts for 10 ~ 96% of weed killer herbicide gross weight, and surplus is agriculturally acceptable insecticides adjuvant.
Preferably, the weight ratio that penoxsuam and Quizalotop-ethyl are lived is 1 ~ 50: 50 ~ 1.
Preferably, the weight ratio that penoxsuam and Quizalotop-ethyl are lived is 1 ~ 15: 15 ~ 1.
Preferably, on described crops, acceptable insecticides adjuvant is made up of additive and surfactant; Additive is a kind of or two or more arbitrarily combination in carrier, adhesive, dispersant, protecting colloid, thixotropic agent, bleeding agent, stabilizing agent, chelating agent and polymerizer.
Preferably, described carrier is the material of organic or inorganic, natural or synthesis, and they contribute to using of active component, are generally inertia and must are agriculturally acceptable, and particularly processed plant accepted.Described carrier can be solid or/liquid.Carrier is selected from a kind of or two or more arbitrarily combination in potter's clay, the silicate of natural or synthesis, silica, resin, auxiliary material, water, alcohol compound, ketone compounds, aromatic hydrocarbons, wax hydrocarbon and liquefied gas.
Preferably, described surfactant comprises emulsifier, dispersant or wetting agent, this surfactant can be ionic or nonionic, is conducive to the dispersion in water of active component in weed killer herbicide and is conducive to it being correctly applied to plant, the weeds in control crop.Surfactant is selected from a kind of or two or more arbitrarily combination in the phosphoric acid ester of polyacrylate, lignosulfonates, phenolsulfonate, naphthalene sulfonate, alkane, fatty alcohol, aliphatic acid, aliphatic amine, sulfosuccinate, alcohol phosphate and multi-hydroxy ethyl phenol.
Preferably, the solid that above-mentioned complex weedicide can use with existing routine in the art and/or liquid additive mix, and make water dispersible granules, wetting powder, granule, soluble powder or suspending agent.Wherein, water dispersible granules (content of its active component is general higher, between 50% ~ 90%) is normally by wettable powder type composition this formulation obtained under the agglomeration of sol particle system;
Wetting powder is generally to make its active component containing 20 ~ 90% be as the criterion, except solid carrier, also containing the wetting agent of 0 ~ 7% and the dispersant of 3 ~ 10%, or again containing 0 ~ 10% one or more other additive, as dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Granule can be prepared by following methods: by the active component of 5 ~ 40 weight portions, the stabilizing agent of 0.1 ~ 45 weight portion, and the carrier of 12 ~ 90 weight portions is mixed with and forms.There is no particular limitation to be suitable for prilling process of the present invention, can be to manufacture the conventional method of granular pesticide, as conventional method, and can wet granulation, dry granulation, stirring granulation, extruding granulation etc.; Especially, utilize extruding granulation can simply and manufacture granule at an easy rate.
The general following methods preparation of soluble powder: mixed by active component and the insecticides adjuvant except potter's clay, wherein active component accounts for 35 ~ 90% of soluble powder gross weight, and all the other are the insecticides adjuvant except potter's clay.
The weed killer herbicide being suitable for liquid form of the present invention can be dissolubility liquor, such as suspending agent, it can be prepared by following method: not formed sediments and stable fluid is as the criterion, by the active component of 4 ~ 85 weight portions, the surfactant of 0.5 ~ 45 weight portion, the additive of 0 ~ 15 weight portion, additive is by dyestuff, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent, bleeding agent is or/and adhesive mixes, above-mentioned composition adds in carrier, carrier can be water or organic liquid, when active component indissoluble or water fast, can using solid organic matter or mineral salt be soluble in water to be formed or as the antifreezing agent of water to contribute to sediments.
Above-mentioned weed killer herbicide of the present invention may be used for preventing and treating rice weed, and the method by spraying is applied to by the surface of cutting weeds in paddy field or dry land, on the weed infestation be particularly harmful to plant growth or the surface easily invading and harassing impact.Its amount of application calculates with active component, and amount of application, usually at 25 ~ 1750 grams/ha, preferably 30 ~ 1200 grams/ha, is more preferably 100 ~ 1100 grams/ha.
Compared with prior art, the invention has the beneficial effects as follows:
1, due to active component by weight ratio be 1 ~ 85: 85 ~ 1 penoxsuam and Quizalotop-ethyl formulated, the weeds in dry land can not only be made to lose resistance to Quizalotop-ethyl, and the weeds of more multi items can be removed; And the weeds in paddy field can be made to lose resistance to penoxsuam, widen the herbicide spectrum of penoxsuam.The two is complemented each other, obtains unforeseeable synergistic effect.Synergistic effect show as wider Weeds distribution spectrum, the faster onset of herbicide effect, more lasting control efficiency, by once or minority use several times and just can control harmful crop better and broaden possible dispenser interval.
2, the broad weed-killing spectrum of this complex weedicide, penoxsuam compensate for the weeds such as sedge family, Pontederiaceae, the Alismataceae shortcomings that preventive effect is low to the resistance of Quizalotop-ethyl such as difformed galingale herb, firefly Lin, arrowhead, Monochoria korsakowii, Monochoria vaginalis, improve herbicide spectrum and preventive effect, only need a drug just can prevent and treat the harm of multiple grassy weed, broad leaved weed, sedge weed.
3, the effect of herbicides lasting period of the present invention is long, and as the preventive effect to barnyard grass, moleplant seed, 30-42 days after general dispenser, fresh weight preventive effect still reaches 70%-85%, decreases spraying times, broadens dispenser interval.
4, because one or more the combination in the phosphoric acid ester of polyacrylate, lignosulfonates, phenolsulfonate, naphthalene sulfonate, alkane, fatty alcohol, aliphatic acid, aliphatic amine, sulfosuccinate, alcohol phosphate and multi-hydroxy ethyl phenol selected by surfactant, substitute the phenol having severe toxicity, greatly reduce the toxicity of this weed killer herbicide, the agricultural reduced on crops remains, without accumulation toxicity, use safer.
5, herbicidal composition cost of the present invention is low, easy to use, and it applies huge economic benefit and social benefit.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1. prepares granule (the raw material number sum preparing agricultural chemicals is 100 parts)
By the mixture of active principles (mass ratio of penoxsuam and Quizalotop-ethyl is 1: 1) of 70 weight portions; the calcium stearate of the atoleine of 6 weight portions, the polyvinyl alcohol of 4 weight portions, 3 weight portions; the clay of surplus; above-mentioned substance is mixed to get the mixture of powders of 100 weight portions; and add appropriate water, mix with small-sized kneader, then carry out granulation, with dry after the whole grain of pelletizing machine; sieve, can said preparation be obtained.
Embodiment 2
The difference of the present embodiment and embodiment two is: the mass ratio of penoxsuam and Quizalotop-ethyl is 1: 85.
Embodiment 3
The difference of the present embodiment and embodiment two is: the mass ratio of penoxsuam and Quizalotop-ethyl is 85: 1.
Embodiment 4
The present embodiment exists from the difference of embodiment one: the consumption of each raw material is different.Be specially: the mixture of active principles (mass ratio of penoxsuam and Quizalotop-ethyl is 1: 1) of 10 weight portions, the calcium stearate of the atoleine of 18 weight portions, the polyvinyl alcohol of 12 weight portions, 9 weight portions, the clay of surplus, is mixed to get the mixture of powders of 100 weight portions by above-mentioned substance.
Embodiment 5
The difference of the present embodiment and embodiment four is: the mass ratio of penoxsuam and Quizalotop-ethyl is 1: 85.
Embodiment 6
The difference of the present embodiment and embodiment four is: the mass ratio of penoxsuam and Quizalotop-ethyl is 85: 1.
Embodiment 7
The present embodiment exists from the difference of embodiment one: the consumption of each raw material is different.Be specially: the mixture of active principles (mass ratio of penoxsuam and Quizalotop-ethyl is 1: 1) of 96 weight portions, the calcium stearate of the atoleine of 1 weight portion, the polyvinyl alcohol of 0.5 weight portion, 0.5 weight portion, the clay of surplus, is mixed to get the mixture of powders of 100 weight portions by above-mentioned substance.
Embodiment 8
The difference of the present embodiment and embodiment seven is: the mass ratio of penoxsuam and Quizalotop-ethyl is 1: 85.
Embodiment 9
The difference of the present embodiment and embodiment seven is: the mass ratio of penoxsuam and Quizalotop-ethyl is 85: 1.
Embodiment 10. prepares suspending agent (the raw material number sum preparing agricultural chemicals is 100 parts)
By the mixture of active principles (Quizalotop-ethyl of penoxsuam+22 weight portion of 18 weight portions) of 40 weight portions, the carboxymethyl cellulose (as thickener) of 5 weight portions, the propane diols (as antifreezing agent) of 3 weight portions, the calcium lignosulfonate (as wetting dispersing agent) of 10 weight portions, and the water of surplus, obtain this mixture by master operations such as mixing, stirring, sand millings.
Embodiment 11. prepares water dispersible granules (the raw material number sum preparing agricultural chemicals is 100 parts)
By the mixture of active principles (Quizalotop-ethyl of penoxsuam+43 weight portion of 32 weight portions) of 75 weight portions, 5 weight account polyethylene alcohol, the Sodium Laurylsulfate of 2 weight portions, the kaolin of 6 weight portion wooden calcium sulfonates and surplus.
After being mixed by mentioned component, in bolt type dish-style flour mill, wear into fine powder, powder is made it granulation by the water sprayed as granulation liquid in fluid bed.
Embodiment 12. prepares wetting powder (the raw material number sum preparing agricultural chemicals is 100 parts)
By the mixture of active principles (Quizalotop-ethyl of penoxsuam+10 weight portion of 35 weight portions) of 45 weight portions, the glycerine of 3 weight portion alkyl naphthalene formaldehyde condensation product sodium sulfonates, 5 weight fraction neopelexes, 2 weight portions, surplus White Carbon black is mixed, through ultramicro grinding, powder is made to reach fineness requirement, and use double helical form mixer and plough mixer and coulter type mixer through repeatedly mixing, make Product mix even, thus this high-load formulation obtained.
Below by the test of pesticide effectiveness to show the performance of complex weedicide of the present invention:
1, during dispenser, weeds 3-4 leaf phase dispenser.After medicine, investigation in 26 days is to weeds fresh weight preventive effect, and is used alone Quizalotop-ethyl with in dry land, and be used alone penoxsuam in paddy field and contrast, correction data is in table 1.Wherein,
The preventive effect contrast table (after medicine 26 days) of table 1, the present invention and Quizalotop-ethyl, penoxsuam
Above treatment dosage is all safe to paddy growth.
2, paddy field upland field weed 24 days result of the tests (see table 2) prevented and kill off by weed killer herbicide of the present invention:
Table 2, the present invention, Quizalotop-ethyl and penoxsuam are to the preventive effect contrast table (after medicine 24 days) of different weeds
As can be seen from the above table, the present invention has excellent herbicidal effect for conventional weeds such as the flat stalk Fischer grass of rice seedling bed, Monochoria vaginalis, barnyard grasses, and above process is all safe to rice seedling.
Composition and method of making the same of the present invention is described by specific embodiment.Those skilled in the art can use for reference the links such as the suitable feed change of content of the present invention, process conditions and realize other object corresponding, its relevant change does not all depart from content of the present invention, all similar replacements and change will become apparent to those skilled in the art that and be all deemed to be included within scope of the present invention.
Claims (8)
1. the dual-purpose weed killer herbicide in floods and droughts field, is characterized in that: the active component comprised is penoxsuam and Quizalotop-ethyl, and the weight ratio of penoxsuam and Quizalotop-ethyl is 1 ~ 15: 15 ~ 1, and active component accounts for 10 ~ 96% of weed killer herbicide gross weight.
2., according to the dual-purpose weed killer herbicide in floods and droughts field according to claim 1, it is characterized in that: also comprise insecticides adjuvant, insecticides adjuvant is made up of additive and surfactant; Additive is a kind of or two or more arbitrarily combination in carrier, adhesive, dispersant, protecting colloid, thixotropic agent, bleeding agent, stabilizing agent, chelating agent and polymerizer.
3. according to the dual-purpose weed killer herbicide in floods and droughts field according to claim 2, it is characterized in that: carrier is selected from a kind of or two or more arbitrarily combination in potter's clay, the silicate of natural or synthesis, silica, resin, auxiliary material, water, alcohol compound, ketone compounds, aromatic hydrocarbons, wax hydrocarbon and liquefied gas.
4. according to the dual-purpose weed killer herbicide in floods and droughts field according to claim 2, it is characterized in that: described surfactant is selected from a kind of or two or more arbitrarily combination in the phosphoric acid ester of polyacrylate, lignosulfonates, phenolsulfonate, naphthalene sulfonate, alkane, fatty alcohol, aliphatic acid, aliphatic amine, sulfosuccinate, alcohol phosphate and multi-hydroxy ethyl phenol.
5., according to the arbitrary described dual-purpose weed killer herbicide in floods and droughts field of Claims 1-4, it is characterized in that: the formulation of weed killer herbicide is water dispersible granules, wetting powder, granule, soluble powder or suspending agent.
6. the usage of the arbitrary described dual-purpose weed killer herbicide in floods and droughts field of claim 1 to 5, it is characterized in that: calculate with the active component of weed killer herbicide, amount of application is 25 ~ 1750 grams/ha.
7. according to the usage of the dual-purpose weed killer herbicide in floods and droughts field according to claim 6, it is characterized in that: amount of application is 30 ~ 1200 grams/ha.
8. according to the usage of the dual-purpose weed killer herbicide in floods and droughts field according to claim 7, it is characterized in that: amount of application is 100-1100 gram/ha.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410260841.6A CN104012553B (en) | 2014-06-13 | 2014-06-13 | Dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof |
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| CN201410260841.6A CN104012553B (en) | 2014-06-13 | 2014-06-13 | Dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof |
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| CN104012553B true CN104012553B (en) | 2015-09-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008075743A1 (en) * | 2006-12-21 | 2008-06-26 | Kumiai Chemical Industry Co., Ltd. | Herbicide composition |
| CN101911942A (en) * | 2010-09-15 | 2010-12-15 | 新沂市永诚化工有限公司 | Weeding composition containing cloransulam-methyl and quizalofop-p-ethyl |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008075743A1 (en) * | 2006-12-21 | 2008-06-26 | Kumiai Chemical Industry Co., Ltd. | Herbicide composition |
| CN101911942A (en) * | 2010-09-15 | 2010-12-15 | 新沂市永诚化工有限公司 | Weeding composition containing cloransulam-methyl and quizalofop-p-ethyl |
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Address after: 410003 Hunan province Changsha Kaifu District, No. three Yu Rong Hotel to Nga Road, two floor Hunan Tianfu agrochemical Co. Ltd. Applicant after: Zhou Shilin Address before: 410200 Hunan Wangcheng circular economy industrial base, Hunan Changsha Tianfu agrochemical Co., Ltd. Applicant before: Zhou Shilin |
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