CN115428794A - Weeding composition containing 2, 4-drop acid and glufosinate-ammonium - Google Patents
Weeding composition containing 2, 4-drop acid and glufosinate-ammonium Download PDFInfo
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- CN115428794A CN115428794A CN202111560709.3A CN202111560709A CN115428794A CN 115428794 A CN115428794 A CN 115428794A CN 202111560709 A CN202111560709 A CN 202111560709A CN 115428794 A CN115428794 A CN 115428794A
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- Prior art keywords
- ammonium
- glufosinate
- acid
- weeding composition
- dropwisely
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
Abstract
The invention belongs to the technical field of pesticides, and particularly relates to a weeding composition containing 2, 4-dropacid and glufosinate-ammonium. The weeding composition containing 2, 4-dropwisely and refined glufosinate-ammonium is prepared by compounding 2, 4-dropwisely and refined glufosinate-ammonium, wherein the mass of the 2, 4-dropwisely and the refined glufosinate-ammonium is 1-5:40-1. The 2, 4-dropwisic acid and the glufosinate-ammonium have different action mechanisms when preventing and removing weeds, can effectively delay the generation of drug-resistant weeds, improve the weed control activity of the weeding composition, and can prolong the service life of the weeding composition.
Description
Technical Field
The invention belongs to the technical field of pesticides, and particularly relates to a weeding composition containing 2, 4-dropacid and glufosinate-ammonium.
Background
2, 4-drop acid is a phenoxy carboxylic acid selective systemic transduction hormone herbicide, is mainly used for post-emergence stem and leaf treatment, has different influences on the synthesis of nucleic acid and protein, stops the growth of plant growing points, prevents young leaves from extending, and inhibits the normal operation of photosynthesis; when the organic matter is transferred to the lower part of a plant, abnormal cell division is promoted, the root tip is expanded, the stem is twisted and deformed, the sieve tube is blocked, the phloem is damaged, the organic matter is blocked, and the plant is dead. Has good control effect on annual and perennial broadleaf weeds, but basically has no effect on gramineous weeds.
The glufosinate-ammonium is a phosphinic acid herbicide with high efficiency, low toxicity, partial systemic property and non-conductivity, and has the chemical name of 4- [ hydroxyl (methyl) phosphonyl group]-DL-homoalanine of formula C 5 H 15 N 2 O 4 When the P acts on weeds, the leaves are killed firstly, the P is conducted on xylem of plants through plant transpiration, the activity of glutamine synthetase in the plants is inhibited, nitrogen metabolism disorder in the plants is caused, ammonia is excessively accumulated, chloroplasts are disintegrated, photosynthesis is damaged, and finally the weeds are killed.
Spraying chemical pesticide is an effective means for effectively controlling weeds in agriculture, but long-term use of single chemical pesticide easily causes drug resistance of weeds, so that the control effect of the chemical pesticide on the weeds is reduced. Therefore, in order to slow down the emergence of resistant weeds, it is necessary to develop a novel and herbicidally effective pesticide composition or pesticide formulation.
Disclosure of Invention
The invention aims to provide a weeding composition containing 2, 4-dropacid and glufosinate-ammonium to solve the problem of long-term use of a single chemical agent.
In order to realize the purpose, the invention provides the following technical scheme:
the invention aims to provide a weeding composition containing 2, 4-dropacid and refined glufosinate-ammonium, the effective components of the weeding composition are compounded by 2, 4-dropacid and refined glufosinate-ammonium, and the mass of the 2, 4-dropacid and the refined glufosinate-ammonium is 1-5:40-1.
Preferably, the mass of the 2, 4-dropwisic acid and the refined glufosinate-ammonium is 1:5.
the second purpose of the invention is to provide a pesticide preparation containing the weeding composition, wherein the weeding composition accounts for 1.5-40% of the total mass of the pesticide preparation, and the balance is auxiliary ingredients acceptable in pesticide pharmacy.
Preferably, the pesticide preparation is in the form of emulsifiable concentrate, suspending agent, aqueous emulsion, microemulsion or wettable powder.
Preferably, the auxiliary component is selected from one or more of fillers, wetting agents, emulsifiers, binders, disintegrants, dispersants, thickeners, preservatives, antifoaming agents, antifreezing agents, solvents and stabilizers. .
The third purpose of the invention is to provide the application of the weeding composition in preventing and killing broad-leaved weeds, wherein the broad-leaved weeds comprise purslane, xanthium sibiricum, descurainia sophia, shepherd's purse, cowherb seed, peruvian groundcherry herb and the like.
Compared with the prior art, the invention has the following beneficial effects:
(1) The 2, 4-dropwisic acid and the glufosinate-ammonium have different action mechanisms when preventing and removing weeds, can effectively delay the generation of drug-resistant weeds, improve the weed control activity of the weeding composition, and can prolong the service life of the weeding composition.
(2) When the 2, 4-drop acid and the refined glufosinate-ammonium are compounded according to a certain mass ratio, the co-toxicity coefficients are both larger than 120, a synergistic effect is shown, and particularly, the weight ratio of the 2, 4-drop acid to the refined glufosinate-ammonium is 1:5, the co-toxicity coefficient reaches 1138.44, the synergistic effect is most obvious, the weed control effect can be improved, and the application dosage of the pesticide can be reduced.
Detailed Description
The technical solutions of the present invention are described in detail below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples: indoor bioactivity test after compounding of 2, 4-drop acid and refined glufosinate-ammonium
Reagent to be tested: 97% of 2, 4-D-Chlorhydric acid technical product (Shanghai Aladdin Biotechnology Co., ltd.), 91% of refined glufosinate ammonium technical product (Yongnong bioscience Co., ltd.)
The tested weeds: herba Portulacae
The test method comprises the following steps: ( Reference to part 4 of the indoor bioassay test criteria for pesticides NY/T1155.4-2006 herbicide: activity measurement test Stem and leaf spray method )
1. Dissolving the raw medicine with dimethyl sulfoxide, diluting with 0.1% Tween-80 solution to obtain single-dose mother liquor, setting multiple groups of ratios, and setting 6 gradient mass concentrations of each single dose and each group of mixture according to equal ratio method.
2. The method comprises the steps of loading soil to 4/5 of a pot, completely wetting the soil by adopting an infiltrating irrigation mode at the bottom of the pot, uniformly spreading weed seeds to be tested on the surface of the soil, covering the soil, transferring the soil to a greenhouse for conventional culture, thinning and fixing the seedlings of the weed to be tested after the weed to be tested emerges, and ensuring the density of the weed to be 150 plants per square meter.
3. Spraying weeds at the 4-6 leaf stage by using a stem leaf spraying method, setting 4 times of treatment for each treatment, setting a solution only containing dimethyl sulfoxide and 0.1% Tween-80 as a blank control, and transferring the treated weeds into a greenhouse for continuous culture.
4. Periodically observing the growth condition of weed to be tested in each treatment, investigating and recording the number of surviving weed plants at 14d after treatment, calculating the fresh weight control effect of each treatment according to investigation data, performing regression analysis on the log value of the concentration of the medicament and the control effect rate value by using DPS software, and calculating the EC of each medicament 50 Value, co-toxicity coefficient (CTC value) of the blend was calculated according to the grandyunpie method.
The calculation method comprises the following steps:
actually measured virulence index (ATI) = (standard agent EC) 50 Reagent for test EC 50 )×100；
Theoretical virulence index (TTI) = a agent virulence index x percent of a in the mixture + B agent virulence index x percent of B in the mixture;
co-toxicity coefficient (CTC) = [ actually measured toxicity index (ATI) ÷ theoretical toxicity index of the mixture (TTI) ] × 100.
Criteria are divided according to joint action: the co-toxicity coefficient (CTC) is more than or equal to 120 and shows a synergistic effect; the co-toxicity coefficient (CTC) is less than or equal to 80, and the antagonism is shown; 80< co-toxicity coefficient (CTC) <120 showed additive effect. The results are shown in Table 1.
TABLE 1, 4-indoor bioactivity assay of Portulaca oleracea compounded with titrating acid and glufosinate ammonium
| Name and proportion of the medicament | EC 50 (mg/L) | ATI | TTI | CTC |
| 2, 4-Dihydric acid | 86.39 | 100.00 | -- | -- |
| Refined glufosinate-ammonium | 16.14 | 535.25 | -- | -- |
| 2, 4-acid drop: refined glufosinate ammonium (1 | 5.24 | 1648.66 | 524.64 | 314.25 |
| 2, 4-acid drop: fine glufosinate-ammonium (1 | 6.38 | 1354.08 | 521.21 | 259.79 |
| 2, 4-acid dropping: fine glufosinate-ammonium (1 | 11.72 | 737.12 | 514.53 | 143.26 |
| 2, 4-acid drop: fine glufosinate-ammonium (1 | 13.51 | 639.45 | 508.05 | 125.86 |
| 2, 4-acid dropping: fine glufosinate-ammonium (1 | 4.28 | 2018.46 | 495.69 | 407.21 |
| 2, 4-acid dropping: fine glufosinate-ammonium (1 | 1.64 | 5267.68 | 462.71 | 1138.44 |
| 2, 4-acid drop: fine glufosinate-ammonium (1 | 3.34 | 2586.53 | 426.44 | 606.54 |
| 2, 4-acid dropping: fine glufosinate-ammonium (1 | 7.11 | 1215.05 | 317.63 | 382.54 |
| 2, 4-acid drop: fine glufosinate-ammonium (2 | 12.63 | 684.01 | 245.08 | 279.09 |
| 2, 4-acid drop: fine glufosinate-ammonium (3 | 15.66 | 551.66 | 208.81 | 264.19 |
| 2, 4-acid drop: fine glufosinate-ammonium (4 | 10.39 | 831.47 | 187.05 | 444.52 |
| 2, 4-acid drop: fine glufosinate-ammonium (5 | 14.74 | 586.09 | 172.54 | 339.68 |
As can be seen from Table 1, the mass ratio of 2, 4-titrating acid to glufosinate-ammonium is 1-5: the co-toxicity coefficient to purslane is more than 120 within the range of 40-1, namely the bioactivity of the purslane, which is a broadleaf weed, is shown as a synergistic effect after the 2, 4-drop acid and the ammonium glufosinate are compounded, and particularly, the weight ratio of the co-toxicity coefficient to the purslane is 1: and 5, the co-toxicity coefficient reaches 1138.44, and the synergistic effect is most remarkable.
Claims (6)
1. A weeding composition containing 2, 4-dropwisely and refined glufosinate-ammonium is characterized in that the effective components of the weeding composition are compounded by 2, 4-dropwisely and refined glufosinate-ammonium, and the mass of the 2, 4-dropwisely and the refined glufosinate-ammonium is 1-5:40-1.
2. A herbicidal composition according to claim 1, characterized in that the mass of the 2, 4-dropletonic acid and glufosinate-ammonium is 1:5.
3. a pesticide formulation comprising the herbicidal composition as claimed in claim 1 or 2, wherein the mass of said herbicidal composition is 1.5 to 45% of the total mass of said pesticide formulation, and the remainder is agriculturally pharmaceutically acceptable auxiliary ingredients.
4. The pesticidal formulation according to claim 3, characterized in that the formulation of the pesticidal formulation is an emulsifiable concentrate, a suspension concentrate, an aqueous emulsion, a microemulsion or a wettable powder.
5. The pesticide formulation as claimed in claim 3, wherein the auxiliary component is selected from one or more of filler, wetting agent, emulsifier, binder, disintegrant, dispersant, thickener, preservative, antifoaming agent, antifreeze, solvent, and stabilizer.
6. Use of the herbicidal composition according to claim 1 or 2 for controlling broadleaf weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111560709.3A CN115428794A (en) | 2021-12-20 | 2021-12-20 | Weeding composition containing 2, 4-drop acid and glufosinate-ammonium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111560709.3A CN115428794A (en) | 2021-12-20 | 2021-12-20 | Weeding composition containing 2, 4-drop acid and glufosinate-ammonium |
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| Publication Number | Publication Date |
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| CN115428794A true CN115428794A (en) | 2022-12-06 |
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| CN202111560709.3A Pending CN115428794A (en) | 2021-12-20 | 2021-12-20 | Weeding composition containing 2, 4-drop acid and glufosinate-ammonium |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763676A (en) * | 2012-07-13 | 2012-11-07 | 王学权 | Herbicide containing glufosinate |
| CN103329929A (en) * | 2013-06-04 | 2013-10-02 | 广东中迅农科股份有限公司 | Weeding composition containing glufosinate-ammonium and 2,4-D butylate |
| CN107711878A (en) * | 2017-10-06 | 2018-02-23 | 湖南泽丰农化有限公司 | Killing nature herbiciding composition containing 2,4 drop dimethylamine salts and glufosinate-ammonium |
| CN108935507A (en) * | 2018-08-01 | 2018-12-07 | 四川利尔作物科学有限公司 | Agricultural active ingredients and its application |
| CN109221242A (en) * | 2018-10-10 | 2019-01-18 | 河北威远生物化工有限公司 | A kind of Herbicidal combinations and the pesticidal preparations comprising the Herbicidal combinations |
| CN110856491A (en) * | 2018-08-24 | 2020-03-03 | 四川利尔作物科学有限公司 | Herbicidal composition and use thereof |
| CN111771904A (en) * | 2020-08-19 | 2020-10-16 | 湖南泽丰农化有限公司 | Glufosinate-2, 4-D soluble agent |
| CN112741102A (en) * | 2020-12-30 | 2021-05-04 | 浙江新安化工集团股份有限公司 | Fine glufosinate-ammonium herbicide |
-
2021
- 2021-12-20 CN CN202111560709.3A patent/CN115428794A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763676A (en) * | 2012-07-13 | 2012-11-07 | 王学权 | Herbicide containing glufosinate |
| CN103329929A (en) * | 2013-06-04 | 2013-10-02 | 广东中迅农科股份有限公司 | Weeding composition containing glufosinate-ammonium and 2,4-D butylate |
| CN107711878A (en) * | 2017-10-06 | 2018-02-23 | 湖南泽丰农化有限公司 | Killing nature herbiciding composition containing 2,4 drop dimethylamine salts and glufosinate-ammonium |
| CN108935507A (en) * | 2018-08-01 | 2018-12-07 | 四川利尔作物科学有限公司 | Agricultural active ingredients and its application |
| CN110856491A (en) * | 2018-08-24 | 2020-03-03 | 四川利尔作物科学有限公司 | Herbicidal composition and use thereof |
| CN109221242A (en) * | 2018-10-10 | 2019-01-18 | 河北威远生物化工有限公司 | A kind of Herbicidal combinations and the pesticidal preparations comprising the Herbicidal combinations |
| CN111771904A (en) * | 2020-08-19 | 2020-10-16 | 湖南泽丰农化有限公司 | Glufosinate-2, 4-D soluble agent |
| CN112741102A (en) * | 2020-12-30 | 2021-05-04 | 浙江新安化工集团股份有限公司 | Fine glufosinate-ammonium herbicide |
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