CN104094968A - Compound synergism herbicide and prevention method for weed - Google Patents
Compound synergism herbicide and prevention method for weed Download PDFInfo
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- CN104094968A CN104094968A CN201410374124.6A CN201410374124A CN104094968A CN 104094968 A CN104094968 A CN 104094968A CN 201410374124 A CN201410374124 A CN 201410374124A CN 104094968 A CN104094968 A CN 104094968A
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- weed
- killer herbicide
- weed killer
- nonanoic acid
- ammonium phosphine
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Abstract
The invention relates to a compound synergism herbicide and a prevention method for weed, belongs to the field of pesticide, and aims to provide a compound synergism herbicide and a prevention method for weed. The compound synergism herbicide comprises the following active ingredients in parts by weight: 1-50 parts of glufosinate-ammonium, and 1-50 parts of n-nonanoic acid. The prevention method for weed comprises the step of spraying the compound synergism herbicide on the leaf surfaces of the weed, or spraying the glufosinate-ammonium and the n-nonanoic acid on the leaf surfaces of the weed respectively. The compound synergism herbicide can achieve the function of synergistic interaction; effect of weeding is enhanced remarkably.
Description
Technical field
The present invention relates to compound synergic weed killer herbicide and weed control method, belong to pesticide field.
Background technology
Grass ammonium phosphine (glufosinate-ammonium) belongs to phosphonic acid based weed killer herbicide, its chemical name is: (RS)-2-amino-4-(hydroxy-methyl-phosphinyl) butyric acid ammonium, be paddy ammonia phthalein amine synthetic inhibitor, there is the non-selective contact weedicide of part systemic action.After dispenser, in the short time, in plant corpus, sink into disorder by metabolism, cytotoxic agent is accumulated in plant corpus by ion, and meanwhile, photosynthesis, by severe inhibition, reaches weeding object.But simple careless ammonium phosphine herbicidal effect is limited, and expensive, uses cost high, sexual valence ratio.
N-nonanoic acid foliar spray can quick penetration plant tissue and is upset normal cell membranous permeation rate and cell activities, the destruction of cell membrane and then cause cell to leak and linked groups's apoptosis.N-nonanoic acid can not be transported, and only has the plant surface of those spraying contact portions just can necrose.
In test, the present inventor finds careless ammonium phosphine and n-nonanoic acid is composite has a good synergistic function, can be prepared into weed killer herbicide, and the control of weeds is had to good effect.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of compound synergic weed killer herbicide.
Compound synergic weed killer herbicide of the present invention, its active component is by weight: careless ammonium phosphine 1～50 weight portion, n-nonanoic acid 1～50 weight portion.
As preferred version, compound synergic weed killer herbicide of the present invention, its active component is by weight: careless ammonium phosphine 5～30 weight portions, n-nonanoic acid 5～30 weight portions.
Compound synergic weed killer herbicide of the present invention, except active component, also comprises various auxiliary agents, and described auxiliary agent comprises at least one in emulsifier, wetting agent, antifreeze, dispersant and solvent.
The amount of preferred described auxiliary agent is 2～4 times of active component gross mass.
Weed killer herbicide of the present invention is preferably made aqua, soluble concentrate, microemulsion, aqueous emulsion, oil-suspending agent, wetting powder or water dispersible granules.
Second technical problem to be solved by this invention is to provide weed control method.
Weed control method of the present invention, compound synergic weed killer herbicide that can be above-mentioned sprays in weeds blade face; Or respectively careless ammonium phosphine and n-nonanoic acid are sprayed in weeds blade face, wherein, by weight, careless ammonium phosphine 1～50 weight portion, n-nonanoic acid 1～50 weight portion.
Further, described weeds are grassy weed or broad leaved weed.
As preferred version, while using, by compound synergic weed killer herbicide thin up, or by careless ammonium phosphine and n-nonanoic acid thin up respectively, be diluted to concentration taking careless ammonium phosphine as 200～1200ppm, be preferably 500～1200ppm, more preferably 600～1000ppm.
The beneficial effect that the present invention has is as follows:
1, compound synergic weed killer herbicide of the present invention is chemically stable preparation, successful to susceptible weeds class plant, can increase the infiltration rate of weed killer herbicide.Compound synergic weed killer herbicide of the present invention has the effect of Synergistic, has increased careless ammonium phosphine infiltration rate, and herbicidal effect is obvious, far above the herbicidal effect of single-activity composition.
2, compound synergic weed killer herbicide of the present invention and other weed killer herbicide tanks are mixed and can not reduce weeds control rate.
3, compound synergic weed killer herbicide of the present invention adopts the composite of two kinds of active components, and production operation is simple, and cost is lower.
Embodiment
Compound synergic weed killer herbicide of the present invention, its active component is by weight: careless ammonium phosphine 1～50 weight portion, n-nonanoic acid 1～50 weight portion.
In order to reach better herbicidal effect, as preferred version, compound synergic weed killer herbicide of the present invention, its active component is by weight: careless ammonium phosphine 5～30 weight portions, n-nonanoic acid 5～30 weight portions.
Compound synergic weed killer herbicide of the present invention, except active component, also comprises various auxiliary agents, and described auxiliary agent comprises at least one in emulsifier, wetting agent, antifreeze, dispersant and solvent.
Conventional addible solvent comprises water, ethanol, dimethyl formamide, acetone, cyclohexanone, dimethylbenzene etc.
Emulsifier refers to non-ionic surface active agent and/or anion surfactant.The non-ionic surface active agent that can adopt is selected from: castor oil ethylene oxide adduct, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy polyethenoxy ether, phenethyl phenol polyethenoxy ether phosphate etc., the anion surfactant that can adopt is selected from: alkylbenzenesulfonate, styrene polyoxyethylene ether ammonium sulfate salt etc.In addition, also can adopt commercially available various emulsifier types, as No. 500, agriculture breast, agricultural emulsifier NO．600 series, BY series, tween series or there is any one or the multiple combination in the emulsifier of similar features.
Dispersant refers to and can reduce the material that solid in dispersion or liquid particle are assembled, comprises sodium lignin sulfonate, naphthalenesulfonic acid-formaldehyde condensate, alkyl benzene calcium sulfonate, sorbitol ester APEO, polycarboxylate etc.
Stabilizing agent can be used for increasing the stability of active ingredient, comprises 2-expoxy propane, butyl glycidyl ether, isopropyl alcohol, n-butanol, polyethylene glycol and well known to a person skilled in the art at least one in stabilizing agent.
Antifreezing agent comprises ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite etc.
Wetting agent comprises lauryl sodium sulfate, sodium carboxymethylcellulose, styrene phenol APEO etc.
The amount of preferred promoter is 2～4 times of active component gross mass.
By adding different auxiliary agents, weed killer herbicide of the present invention can be made different formulations, can be made into soluble concentrate, microemulsion, aqueous emulsion, oil-suspending agent, wetting powder, water dispersible granules etc.
The preparation method of compound synergic weed killer herbicide of the present invention is: get each active component, add auxiliary agent, mix.
Compound synergic weed killer herbicide of the present invention can provide with finished product preparation form, and in composition, each material mixes; Also can provide with single dose form, before use, directly mix by weight, then be diluted to required concentration.
Weed control method of the present invention, can spray above-mentioned compound synergic weed killer herbicide in weeds blade face; Also can respectively careless ammonium phosphine and n-nonanoic acid be sprayed in weeds blade face, wherein, by weight, careless ammonium phosphine 1～50 weight portion, n-nonanoic acid 1～50 weight portion.That is to say, the present invention can spray careless ammonium phosphine and n-nonanoic acid in weeds blade face simultaneously, also can first spray careless ammonium phosphine single dose, then spray n-nonanoic acid single dose, can also first spray n-nonanoic acid single dose, then sprays careless ammonium phosphine single dose.
Weed control method of the present invention, can be used for the control of multiple weeds, particularly for grassy weed and broad leaved weed, has good control efficiency.
As preferred version, while using by compound synergic weed killer herbicide thin up, or by careless ammonium phosphine single dose and n-nonanoic acid single dose thin up respectively, be diluted to concentration taking careless ammonium phosphine as 200～1200ppm, be preferably 500～1200ppm, more preferably 600～1000ppm, sprays in weeds blade face, to occur water membrane on blade face, not lower of liquid is advisable.And the extension rate of n-nonanoic acid can calculate according to the proportioning of the extension rate of careless ammonium phosphine and careless ammonium phosphine and n-nonanoic acid.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
The careless ammonium phosphine of embodiment 1 and the determination of activity of n-nonanoic acid mixture to weeds
1, the preparation of careless ammonium phosphine aqua: get careless ammonium phosphine 200kg, wetting agent Tween 80 50kg, antifreeze ethylene glycol 50kg, water 700kg is mixed to get 20% careless ammonium phosphine aqua.
2, the preparation of n-nonanoic acid missible oil: n-nonanoic acid 300kg, No. 500 4kg of emulsifier, emulsifier fatty alcohol-polyoxyethylene ether 8kg, solvent 688kg is mixed to get n-nonanoic acid missible oil.
Get above-mentioned careless ammonium phosphine aqua and the n-nonanoic acid missible oil making, press table 1 thin up or mix rear thin up, wherein, " 200ppm (careless ammonium phosphine)+100ppm (n-nonanoic acid) " refers to and in the reagent after dilution, contains careless ammonium phosphine and two kinds of compositions of n-nonanoic acid, its careless ammonium phosphine concentration is 200ppm, and the concentration of n-nonanoic acid is 100ppm.
Table 1 reagent agent
In employing table 1, reagent agent acts on respectively weeds of the same area, and weeds are grassy weed and broad leaved weed, and medicament sprays in weeds blade face, and to occur water membrane on blade face, not lower of liquid is advisable.
Test is processed and is estimated target be injured symptom and growth inhibition situation after 15d, and claims acrial part fresh weight, calculates fresh weight inhibiting rate (%).
Synergy evaluation method:
Evaluate weed killer herbicide mode of application (NY/T 1155.7-2006) according to Gowing method, its formula is as follows:
E＝X+Y-XY/100
In formula, X is careless ammonium phosphine fresh weight inhibiting rate to target weeds when alone with certain dosage; Y is n-nonanoic acid fresh weight inhibiting rate to target weeds when alone with certain dosage; E
0theoretical value to target weeds fresh weight inhibiting rate during for careless ammonium phosphine and two kinds of pharmacy mix of n-nonanoic acid; Measured value to target weeds fresh weight inhibiting rate when E is careless ammonium phosphine and two kinds of pharmacy mix of n-nonanoic acid.
Evaluation criterion: work as E-E
0when >10%, be expressed as synergistic effect, as 10% < E-E
0when < 10%, be expressed as summation action, work as E-E
0when <-10%, be expressed as antagonism.
The test of pesticide effectiveness the results are shown in Table 2.
Table 2 test of pesticide effectiveness result
As can be seen from Table 2, careless ammonium phosphine and n-nonanoic acid composite has synergistic function.
The preparation of embodiment 2 compound synergic weed killer herbicide of the present invention
Get careless ammonium phosphine 10kg, n-nonanoic acid 10kg, solvent (ethanol) 20kg, emulsifier 10kg (Nonyl pheno 5kg and ether phosphate 5kg), antifreeze (glycerine) 5kg and deionized water 45kg mix strongly, make microemulsion.
The preparation of embodiment 3 compound synergic weed killer herbicide of the present invention
Get careless ammonium phosphine 15kg, n-nonanoic acid 15kg; Solvent (cyclohexanone) 20kg; Emulsifier 10kg (phenyl phenol polyoxy ethyl ether); Antifreeze (ethylene glycol) 5kg; Deionized water 35kg mixes strongly, makes aqueous emulsion.
The preparation of embodiment 4 compound synergic weed killer herbicide of the present invention
Get careless ammonium phosphine 5kg, n-nonanoic acid 40kg; Solvent (cyclohexanone) 20kg; Emulsifier 20kg (phenyl phenol polyoxy ethyl ether); Antifreeze (ethylene glycol) 5kg; Deionized water 40kg mixes strongly, makes aqueous emulsion.
The preparation of embodiment 5 compound synergic weed killer herbicide of the present invention
Get careless ammonium phosphine 50kg, n-nonanoic acid 5kg; Solvent (cyclohexanone) 20kg; Emulsifier 20kg (phenyl phenol polyoxy ethyl ether); Antifreeze (ethylene glycol) 15kg; Deionized water 50kg mixes strongly, makes aqueous emulsion.
The preparation of embodiment 6 compound synergic weed killer herbicide of the present invention
Get careless ammonium phosphine 80kg, n-nonanoic acid 1kg; Solvent (cyclohexanone) 5kg; Emulsifier 30kg (phenyl phenol polyoxy ethyl ether); Antifreeze (ethylene glycol) 20kg; Deionized water 100kg mixes strongly, makes aqueous emulsion.
The preparation of embodiment 7 compound synergic weed killer herbicide of the present invention
Get careless ammonium phosphine 1kg, n-nonanoic acid 60kg; Solvent (cyclohexanone) 30kg; Emulsifier 20kg (phenyl phenol polyoxy ethyl ether); Antifreeze (ethylene glycol) 25kg; Deionized water 70kg mixes strongly, makes aqueous emulsion.
The compound synergic weed killer herbicide thin up that embodiment 2～7 is made becomes the concentration of careless ammonium phosphine to be the solution of 600ppm, detect its preventive effect with reference to above-mentioned experimental technique, the actual preventive effect of embodiment 2～7 is respectively 90.23%, 90.17%, 88.96%, 87.29%, 78.62%, 76.25%, theoretical preventive effect is respectively 60.23%, 60.15%, 52.16%, 53.26%, 48.18%, 47.23% after measured, has reached the effect of Synergistic.
Claims (8)
1. compound synergic weed killer herbicide, is characterized in that, its active component is by weight: careless ammonium phosphine 1～50 weight portion, n-nonanoic acid 1～50 weight portion.
2. compound synergic weed killer herbicide according to claim 1, is characterized in that, its active component is by weight: careless ammonium phosphine 5～30 weight portions, n-nonanoic acid 5～30 weight portions.
3. compound synergic weed killer herbicide according to claim 1, is characterized in that: in described compound synergic weed killer herbicide, also contain auxiliary agent, described auxiliary agent is at least one in emulsifier, wetting agent, antifreeze, dispersant and solvent.
4. compound synergic weed killer herbicide according to claim 3, is characterized in that: the addition of auxiliary agent is 2～4 times of active component gross mass.
5. compound synergic weed killer herbicide according to claim 3, is characterized in that: described compound synergic weed killer herbicide is aqua, soluble concentrate, microemulsion, aqueous emulsion, oil-suspending agent, wetting powder or water dispersible granules.
6. weed control method, is characterized in that: the compound synergic weed killer herbicide described in claim 1～5 is sprayed in weeds blade face; Or respectively careless ammonium phosphine and n-nonanoic acid are sprayed in weeds blade face, wherein, by weight, careless ammonium phosphine 1～50 weight portion, n-nonanoic acid 1～50 weight portion.
7. weed control method according to claim 6, is characterized in that: described weeds are grassy weed or broad leaved weed.
8. weed control method according to claim 6, it is characterized in that: while using by compound synergic weed killer herbicide thin up, or by careless ammonium phosphine and n-nonanoic acid thin up respectively, be diluted to concentration taking careless ammonium phosphine as 200～1200ppm, be preferably 500～1200ppm, more preferably 600～1000ppm.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340969A (en) * | 2015-12-04 | 2016-02-24 | 成都新朝阳作物科学有限公司 | Natural herbicide composition and application thereof |
| CN107711877A (en) * | 2017-09-28 | 2018-02-23 | 惠州市支持网知识产权运营有限公司 | Herbicidal combinations containing n-nonanoic acid |
| CN111148431A (en) * | 2017-08-02 | 2020-05-12 | 诺瓦蒙特股份公司 | Herbicidal compositions based on pelargonic and keto acids |
| CN111406748A (en) * | 2020-04-29 | 2020-07-14 | 上海万力华生物科技有限公司 | Herbicide containing plant source pelargonic acid and preparation method and application thereof |
| EP3932205A1 (en) * | 2020-07-03 | 2022-01-05 | Belchim Crop Protection USA, LLC | Herbicidal compositions and related methods |
| WO2024062243A1 (en) * | 2022-09-21 | 2024-03-28 | Upl Mauritius Limited | Herbicidal combinations, compositions and methods for controlling weeds |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340969A (en) * | 2015-12-04 | 2016-02-24 | 成都新朝阳作物科学有限公司 | Natural herbicide composition and application thereof |
| CN111148431A (en) * | 2017-08-02 | 2020-05-12 | 诺瓦蒙特股份公司 | Herbicidal compositions based on pelargonic and keto acids |
| CN111148431B (en) * | 2017-08-02 | 2022-09-27 | 诺瓦蒙特股份公司 | Herbicidal compositions based on pelargonic and keto acids |
| CN107711877A (en) * | 2017-09-28 | 2018-02-23 | 惠州市支持网知识产权运营有限公司 | Herbicidal combinations containing n-nonanoic acid |
| CN111406748A (en) * | 2020-04-29 | 2020-07-14 | 上海万力华生物科技有限公司 | Herbicide containing plant source pelargonic acid and preparation method and application thereof |
| EP3932205A1 (en) * | 2020-07-03 | 2022-01-05 | Belchim Crop Protection USA, LLC | Herbicidal compositions and related methods |
| WO2024062243A1 (en) * | 2022-09-21 | 2024-03-28 | Upl Mauritius Limited | Herbicidal combinations, compositions and methods for controlling weeds |
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Application publication date: 20141015 |