CN103053609B - Glufosinate-picolinic acid herbicide weeding composition - Google Patents

Glufosinate-picolinic acid herbicide weeding composition Download PDF

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Publication number
CN103053609B
CN103053609B CN201210585360.3A CN201210585360A CN103053609B CN 103053609 B CN103053609 B CN 103053609B CN 201210585360 A CN201210585360 A CN 201210585360A CN 103053609 B CN103053609 B CN 103053609B
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China
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picolinic acid
glufosinate
ammonium phosphine
acid herbicide
careless ammonium
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CN201210585360.3A
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Chinese (zh)
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CN103053609A (en
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陈佛祥
刘鹏
颜石雷
张志伟
冷忠国
王礼文
朱刚
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广东中迅农科股份有限公司
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Abstract

The invention discloses a glufosinate-picolinic acid herbicide weeding composition. The glufosinate-picolinic acid herbicide weeding composition comprises glufosinate and a picolinic acid herbicide as active ingredients, and the balance pesticide assistants. A weight ratio of glufosinate to the picolinic acid herbicide in the glufosinate-picolinic acid herbicide weeding composition is in a range of (20: 1) to (1: 10). The glufosinate-picolinic acid herbicide weeding composition comprises 10 to 80wt% of glufosinate and the picolinic acid herbicide. The glufosinate-picolinic acid herbicide weeding composition can be used for preventing and removing weeds in bare places, orchards and farmlands, has effects superior to effects of a single picolinic acid herbicide or glufosinate, reduces a use amount of a pesticide, reduces the adverse influence produced by a pesticide on the ecological environment, and effectively solves the problem of weed resistance to pesticides.

Description

The Herbicidal combinations of grass ammonium phosphine and picolinic acid class weed killer herbicide

Technical field

The present invention relates to a kind of Herbicidal combinations, is with careless ammonium phosphine and picolinic acid class weed killer herbicide for active ingredient, for preventing and kill off uncultivated area, orchard, farmland weed.

Background technology

Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, because careless ammonium phosphine large area is used alone, a lot of weeds have been caused to develop immunity to drugs.Simultaneously, grass when weeds occur is mutually complicated, not only annual and perennial weed is mixed raw, draft, liana and shrub have concurrently, and weeds emerge uneven, seed, low age, the staggered generation of weeds at advanced age, so when weed killer herbicide kind is used alone, defect in a certain respect and limitation all can be shown.

Grass ammonium phosphine, chemical formula:

Chemical name: (RS)-2-amino-4-(hydroxymethyl oxygen see base) butyric acid ammonium, English name: glufosinate-ammonium, other Chineses: careless fourth phosphine, phosphine oxamate, action character: belong to acid herbicides of seeing, be glutamine synthetase inhibitor, there is the non-selective contact weedicide of part systemic action.After dispenser in the short time, in plant corpus, disorder is sunk in ammonium metabolism, and cytotoxic agent ammonium ion is accumulated in plant corpus, and meanwhile, photosynthesis is seriously suppressed, and reaches weeding object.

Picolinic acid class weed killer herbicide broad weed-killing spectrum, not only prevent and treat annual broadleaf weed, individual plants effectively can also prevent and treat annual gramineous weed, and principal item has:

Fluroxypyr, the fluoro-pyridine of amino-3, the 5-bis-chloro-6-of chemical name: 4--2-pyridine fluoroacetic acid 1-methyl-heptyl ester.

The different monooctyl ester of fluroxypyr, the different monooctyl ester of amino-3, the 5-bis-chloro-6-fluoro-2-pyridine fluoroacetic acid of chemical name: 4-.

Trichlopyr, chemical name: 3,5,6-trichloro-2-pyridyl fluoroacetic acid.

Clopyralid, chemical name: 3,6-dichloropyridine-2-carboxylic acid.

Dithiopyr, chemical name: 2-difluoromethyl-4-isobutyl group-6-trifluoromethyl-3,5-[two (methyl mercapto formoxyl)] pyridine.

The mixture of different pesticide species is the common methods of preventing and treating agriculture disease pest and weed.Being screened by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the drug-fast generation of disease pest and weed, is the important means that agricultural synthesis is administered.The recipe determination of the present inventor to careless ammonium phosphine and picolinic acid class weed killer herbicide conducts in-depth research, find that careless ammonium phosphine and picolinic acid class weed killer herbicide carry out mixture and have obvious summation action in certain mixed ratio scope to weeds, after further study, the present invention is completed.

Mixture and the application of grass ammonium phosphine and picolinic acid class weed killer herbicide there is no report at present.

Summary of the invention

Technical problem to be solved: the object of the invention is to solve above-mentioned weed killer herbicide is actual use in deficiency, a kind of efficient, low cost is provided, is conducive to the Herbicidal combinations of the weeds comprehensive regulation.

Another object of the present invention is to provide this Herbicidal combinations to be applied to prevents and kill off uncultivated area, orchard, farmland weed.

Technical scheme: for achieving the above object, the invention provides a kind of Herbicidal combinations being active ingredient with careless ammonium phosphine and picolinic acid class weed killer herbicide, described picolinic acid class weed killer herbicide is fluroxypyr, the different monooctyl ester of fluroxypyr, picloram, trichlopyr, clopyralid, the one of dithiopyr, grass ammonium phosphine and picolinic acid class weed killer herbicide in the composition ratio of weight and number are 20:1 ~ 1:10, grass ammonium phosphine and picolinic acid class weed killer herbicide weight summation percentage by weight are in the composition 10 ~ 80%, surplus is agriculturally spendable insecticides adjuvant.

Described Herbicidal combinations, is prepared into the one of aqua, aqueous emulsion, suspending agent, wetting powder, soluble powder by pesticide production technology.The production technology of various application forms all belongs to existing known technology, does not repeat them here.

The Herbicidal combinations of careless ammonium phosphine provided by the invention and picolinic acid class weed killer herbicide, can be applicable to prevent and kill off uncultivated area, orchard, farmland weed.

The Herbicidal combinations of careless ammonium phosphine provided by the invention and picolinic acid class, usually adopts the method for directed spraying to use, also can adopt other operation techniques agriculturally applied as required.

Herbicidal combinations provided by the invention has following beneficial effect.

1, the Herbicidal combinations of careless ammonium phosphine provided by the invention and picolinic acid class, obvious summation action is shown in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.

2, the Herbicidal combinations of careless ammonium phosphine provided by the invention and picolinic acid class, the combination of two kinds of active ingredients, not only can make up careless ammonium phosphine single dose to the deficiency of the drug-resistant type such as black nightshade, Bermuda grass weeds weak effect, and the weed killer herbicide that can make up picolinic acid class can only prevent and kill off broad leaved weed and the defect substantially invalid to other weeds classes.

3, the Herbicidal combinations of careless ammonium phosphine provided by the invention and picolinic acid class, two kinds of active ingredient mechanism of action are different, the shortcoming that long-term single use easily produces resistance can be overcome, extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.

4, the Herbicidal combinations of careless ammonium phosphine provided by the invention and picolinic acid class, use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.

Embodiment

The present invention is described by following specific embodiment, but the invention is not restricted to following specific embodiment.In embodiment, each component percentages is weight percentage.

embodiment one:grass ammonium phosphine and fluroxypyr mixture measure black nightshade synergy.

1, reagent agent: 96.5% Glufosinate-ammonium; The former medicine of 96% fluroxypyr.

2, for examination material: black nightshade ( solanum nigrum L.), be that research and development centre of Guangdong Zhongxun Agricultural Technology Co., Ltd. weed seed warehouse is preserved.

3, medicament preparation: careless ammonium phosphine solution: accurately take 0.276g96.5% Glufosinate-ammonium, dissolve with 0.2mlDMF, add the clear water 80ML containing 0.1%Tween80 emulsifier, stir, be mixed with careless ammonium phosphine 525g a.i./ha mother liquor, then with being diluted to 420 containing the clear water of 0.1%Tween80 emulsifier, 270g a.i./ha concentration is for subsequent use.

Fluroxypyr solution: accurately take the former medicine of 0.0032g96% fluroxypyr, dissolve with 0.2MLDMF, add the clear water 80ML containing 0.1%Tween80 emulsifier, stir, be mixed with fluroxypyr 60 g a.i./ha mother liquor, then with being diluted to 30 containing the clear water of 0.1%Tween80 emulsifier, 18g a.i./ha concentration is for subsequent use.

Contrast solution: 0.2mLDMF adds the water of 80mL containing 0.1%Tween80 emulsifier.

4, test method: adopt potted plant cauline leaf facture (NY/T 1155.4-2006): at the in-built quantitative soil of the polypots of high 6cm, diameter 9cm, will for the sowing of examination target weed seed 15-20 grain in polypots, be placed in greenhouse after the fine earth that lid 0.5-1cm is thick and cultivate, treat that weeds grow to the 3-5 leaf phase and carry out cauline leaf spraying process, every alms bowl spraying liquid 1mL, often process and repeat for 4 times, and set the process not containing medicament as contrasting.After process, examination material is placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation after 20d, and claims acrial part fresh weight or strain fresh weight, evaluates medicament to the toxicity action of target weeds with target fresh weight inhibition.

5, data survey and statistical analysis.

5.1 investigation methods:

Estimate target damage symptoms and growth inhibition situation after test process 20d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).

5.2 synergy evaluation methods:

Evaluate weed killer herbicide mode of application (NY/T 1155.7-2006) by Gowing method, formula is as follows:

In formula: the fresh weight preventive effect that X is careless ammonium phosphine consumption to black nightshade when being P; The fresh weight preventive effect that Y is fluroxypyr consumption to barnyard grass when being Q; E 0fresh weight preventive effect to black nightshade during for being Q to the fresh weight preventive effect+fluroxypyr consumption of black nightshade when careless ammonium phosphine consumption is P; E is the actual preventive effect of Mixed Pharmacy.

Evaluation criterion: E-E 0> 10% is summation action; E-E 0<-10% is antagonism; E-E 0be worth between theoretical value ± 10% be addition.

6, careless ammonium phosphine and fluroxypyr mixture combine the toxicity test result suppressed black nightshade.Grass ammonium phosphine and fluroxypyr and mixture combination thereof to the herbicidal effect measurement result of black nightshade in table 1.Visible careless ammonium phosphine and fluroxypyr combine with the mixture of 270+18,270+30,720+60,420+18,420+30,420+60,525+18,525+30,525+60 respectively and show summation action to black nightshade, its E-E 0value is respectively 6.62,6.06,4.95,9.18,7.00,6.29,6.86,6.07,4.23.It is feasible that grass ammonium phosphine and fluroxypyr mixture combine.

Table 1, careless ammonium phosphine and fluroxypyr mixture combine the toxicity test result table suppressed black nightshade.

embodiment two: the Herbicidal combinations preparation method of careless ammonium phosphine and picolinic acid class.

preparation method's embodiment 1:20% careless ammonium phosphine fluroxypyr aqueous emulsion:

Grass ammonium phosphine 17%,

Fluroxypyr 3%,

1-METHYLPYRROLIDONE (solvent) 10%,

Naphthalene (bleeding agent) 2%,

Calcium dodecyl benzene sulfonate (emulsifier) 6%,

Agriculture breast 600# phosphate (emulsifier) 5%,

Organosilicon (defoamer) 3%,

Xanthans (stabilizing agent) 0.5%,

Water complements to 100%.

By above-mentioned material method Homogeneous phase mixing in proportion, dissolve obtained oil phase; By careless ammonium phosphine and the obtained aqueous phase of water mixing; Under high velocity agitation, by oil phase and aqueous phase mixing, obtained 20% careless ammonium phosphine fluroxypyr aqueous emulsion.

preparation method's embodiment 2:30% careless ammonium phosphine dithiopyr suspending agent:

Grass ammonium phosphine ammonium salt 20%,

Dithiopyr 10%,

Agriculture breast 1601#(emulsifier) 10%,

Soya-bean oil (organic solvent) 5%,

Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether (wetting agent) 5%,

Alkylphenol polyoxyethylene formaldehyde condensation products sulphate (dispersant) 4%,

Bentonite (thickener) 3%,

Xanthans (stabilizing agent) 0.3%,

Organosilicon (defoamer) 0.3%,

APG (surfactant) 5%,

Deionized water (medium) is supplemented to 100%.

Above-mentioned material is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 30% careless ammonium phosphine dithiopyr spirit suspending agent of allotment after high shear mixing.

preparation method's embodiment 3:40% careless ammonium phosphine trichlopyr wetting powder:

Grass ammonium phosphine 10%,

Trichlopyr 30%,

Neopelex (wetting agent) 5%,

Sodium lignin sulfonate (dispersant) 8%,

Talcum powder (filler) 3%,

White carbon (filler) 4%,

Attapulgite (filler) is supplemented to 100%.

Mix entering in blender after above-mentioned material in proportion coarse crushing, more namely obtain the different trichlopyr wetting powder of 40% careless ammonium phosphine after air-flow crushing.

preparation method's embodiment 4:30% careless ammonium phosphine picloram aqua:

Grass ammonium phosphine 10%,

Picloram 20%,

Fatty alcohol-polyoxyethylene ether 2%,

Hydrochloric acid 2%,

Ethanol 3%,

Triethanolamine 3%,

Potassium hydroxide 1.5%,

Water to 100%.

First by careless ammonium phosphine, picloram and add all the other above-mentioned materials again after hydrochloric acid, ethanol mixed dissolution and mix, obtained 30% careless ammonium phosphine picloram aqua.

preparation method's embodiment 5:35% careless ammonium phosphine dichloride pyridine acid soluble powder:

Grass ammonium phosphine 30%,

Clopyralid 5%,

Lauryl sodium sulfate 3%,

White carbon 20%,

Sodium sulphate surplus to 100%.

First adsorb careless ammonium phosphine with white carbon, then add the mixing of all the other above-mentioned materials, more namely obtain 35% careless ammonium phosphine dichloride pyridine acid soluble powder after air-flow crushing.

embodiment three:the Herbicidal combinations of grass ammonium phosphine and picolinic acid class prevents and kill off the citrus orchard weeds test of pesticide effectiveness.

Reagent agent and dispenser dosage: (1) 20% careless ammonium phosphine fluroxypyr aqueous emulsion (17% careless ammonium phosphine: 3% fluroxypyr), effective ingredient consumption 800a.i.g/ha.(2) 30% careless ammonium phosphine dithiopyr suspending agents (20% careless ammonium phosphine: 10% dithiopyr), effective ingredient consumption 800a.i.g/ha.(3) 40% careless ammonium phosphine trichlopyr wetting powders (10% careless ammonium phosphine: 30% trichlopyr wetting powder), effective ingredient consumption 800a.i.g/ha.(4) 30% careless ammonium phosphine picloram aquas (10% careless ammonium phosphine: 20% picloram), effective ingredient consumption 800a.i.g/ha.(5) 35% careless ammonium phosphine dichloride pyridine acid soluble powders (30% careless ammonium phosphine: 5% clopyralid), effective ingredient consumption 80a.i.g/ha.(6) 20% careless ammonium phosphine aquas, effective ingredient consumption 1050a.i.g/ha.(7) 24% picloram aquas, effective ingredient consumption 1800a.i.g/ha.

Test period: on May 17th, 2012.

Test site: village of salon of committee of Lao Keng village, Ren Shan town, Huidong County of Guangdong Province.

Application method: medicament is watered directed spraying, spray amount 30 kilograms/667m 2.

Result of the test: in table 2.Can from result of the test, after dispenser 15 days, the preventive effect that the present invention's grass ammonium phosphine and the Herbicidal combinations of picolinic acid class prevent and kill off citrus orchard weeds reaches more than 97.24%, the weed killer herbicide that preventive effect is obviously better than careless ammonium phosphine and picolinic acid class is used alone, reduce the using dosage of agricultural chemicals, decrease the adverse effect of agricultural chemicals to ecotope, effectively administer herbicide resistance problem.

Table 2, prevent and kill off citrus orchard weeds result of the test.

Claims (2)

1. the Herbicidal combinations of a careless ammonium phosphine and picolinic acid class weed killer herbicide, it is characterized in that percentage by weight: careless ammonium phosphine 17%, fluroxypyr 3%, 1-METHYLPYRROLIDONE 10%, naphthalene 2%, calcium dodecyl benzene sulfonate 6%, agriculture breast 600# phosphate 5%, organosilicon 3%, xanthans 0.5%, water complements to 100%, and described Herbicidal combinations is aqueous emulsion.
2. the Herbicidal combinations of careless ammonium phosphine according to claim 1 and picolinic acid class weed killer herbicide is preventing and kill off the application in uncultivated area, orchard, farmland weed.
CN201210585360.3A 2012-12-29 2012-12-29 Glufosinate-picolinic acid herbicide weeding composition CN103053609B (en)

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Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
CN104621177A (en) * 2013-11-15 2015-05-20 南京华洲药业有限公司 Mixed herbicide containing picloram and glufosinate
CN104106571A (en) * 2014-06-12 2014-10-22 广东中迅农科股份有限公司 A weeding composition
CN104365659B (en) * 2014-11-17 2016-05-04 南京华洲药业有限公司 A kind of mixed herbicide containing careless ammonium phosphine
CN106561703A (en) * 2016-11-14 2017-04-19 江苏丰山集团股份有限公司 Herbicidal composition containing pinoxaden and applications thereof
WO2019030091A2 (en) * 2017-08-09 2019-02-14 Basf Se Herbicidal mixtures comprising l-glufosinate and their use in cotton cultures
AU2018314499A1 (en) * 2017-08-09 2020-02-13 Basf Se Herbicidal mixtures comprising L-glufosinate and their use in canola cultures
EP3440939A1 (en) * 2017-08-09 2019-02-13 Basf Se Herbicidal mixtures comprising l-glufosinate

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WO2011008453A2 (en) * 2009-06-30 2011-01-20 Monsanto Technology Llc N-phosphonomethylglycine guanidine derivative salts
EP2384625A1 (en) * 2010-05-06 2011-11-09 Akzo Nobel Chemicals International B.V. Surfactant blends for auxin activity herbicides
CN103004861A (en) * 2011-09-26 2013-04-03 深圳诺普信农化股份有限公司 Weeding composition
CN103371175A (en) * 2012-04-25 2013-10-30 陕西韦尔奇作物保护有限公司 Glufosinate-ammonium-containing weeding composition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1312683A (en) * 1998-08-13 2001-09-12 阿温提斯作物科学有限公司 Herbicides for tolerant or resistant cereal cultures
WO2011008453A2 (en) * 2009-06-30 2011-01-20 Monsanto Technology Llc N-phosphonomethylglycine guanidine derivative salts
EP2384625A1 (en) * 2010-05-06 2011-11-09 Akzo Nobel Chemicals International B.V. Surfactant blends for auxin activity herbicides
CN103004861A (en) * 2011-09-26 2013-04-03 深圳诺普信农化股份有限公司 Weeding composition
CN103371175A (en) * 2012-04-25 2013-10-30 陕西韦尔奇作物保护有限公司 Glufosinate-ammonium-containing weeding composition

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