CN110881473A - Herbicidal composition and use thereof - Google Patents
Herbicidal composition and use thereof Download PDFInfo
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- CN110881473A CN110881473A CN201910854515.0A CN201910854515A CN110881473A CN 110881473 A CN110881473 A CN 110881473A CN 201910854515 A CN201910854515 A CN 201910854515A CN 110881473 A CN110881473 A CN 110881473A
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- herbicidal composition
- active ingredient
- quizalofop
- ethyl
- glufosinate
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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
- 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
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding composition and application thereof. The weeding composition comprises an active ingredient A and an active ingredient B. Wherein the active ingredient A is glufosinate-ammonium and the active ingredient B comprises quizalofop-p-ethyl. The weight ratio of the active ingredient A to the active ingredient B is 2: 1-30: 1. The herbicidal composition can be used for controlling perennial grassy weeds, broadleaf weeds and sedge weeds. By compounding various active ingredients, the control efficiency of the old weeds is improved, the low-temperature control effect is improved, the dosage of the weeding active ingredients is reduced, the quick-acting performance of the herbicide is improved, and the dosage of the herbicide is reduced.
Description
Technical Field
The invention relates to a weeding composition, in particular to a weeding composition containing glufosinate-ammonium and application thereof in agriculture.
Background
The chemical name of the refined glufosinate-ammonium is 4- [ hydroxy (methyl) phosphonyl]L-homoalanine, readily soluble in water, poorly soluble in organic solvents, stable to light, melting point 214-216 ℃ and the formula: c5H12NO4P; molecular weight: 181.1, respectively; the structural formula is as follows:
the glufosinate-ammonium belongs to a non-conductive contact herbicide, and is used for preventing and controlling weeds by inhibiting glutamine synthetase, so that the metabolic disturbance of nitrogen in a plant body and the cumulative poisoning of nitrogen are caused, the synthesis and photosynthesis of chloroplast are hindered, and finally the plant is dead. The refined glufosinate-ammonium has the advantages of low toxicity, high safety, wide weeding spectrum, high activity, high weeding speed and the like. In addition, the refined glufosinate-ammonium has good water solubility and is convenient to process and mix for use.
Quizalofop-p-ethyl (R) -2- [4- (6-chloroquinoxaline-2-yloxy) phenoxy ] ethyl propionate) is a phenoxy fatty acid selective systemic conduction type herbicide, and the chemical structural formula is as follows:
the quizalofop-p-ethyl has good selectivity and control effect on gramineous weeds in broad-leaved crop fields, and can prevent and kill off annual gramineous weeds such as wild oats, barnyard grass, green bristlegrass, large crabgrass and the like. But quizalofop-p-ethyl has poor control effect at low temperature, and the dosage of gramineous weeds with large grass age needs to be increased to realize ideal control effect.
In addition, the long-term use of the glufosinate-ammonium or quizalofop-p-ethyl single agent can easily cause drug resistance, so that the dosage is increased, the environmental impact is increased, the prevention and treatment effect is reduced, and the medication cost is increased.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a herbicidal composition, which comprises glufosinate-ammonium as one of the active ingredients and is compounded with quizalofop-p-ethyl, so as to improve the control efficiency of the old weeds, improve the low-temperature control effect, reduce the dosage of the herbicidal active ingredients, improve the quick action of the herbicide, and reduce the dosage of the herbicide.
According to one aspect, the invention provides a weeding composition, which comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is glufosinate-ammonium, the active ingredient B comprises quizalofop-p-ethyl, and the weight ratio of the active ingredient A to the active ingredient B is 2: 1-30: 1.
The weight percentage of the active ingredient A and the active ingredient B is 0.5-40% based on the total weight of the weeding composition.
According to a specific embodiment, the effective amount of the herbicidal composition is 1 to 100g (a.i.)/ha.
According to another embodiment, the herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl and 1-30% of composite auxiliary agent.
According to a specific embodiment, the herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl, 0.5-10% of alkyl glycoside, 1-15% of alcohol ether carboxylate and the balance of water.
According to another embodiment, the herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl, 1-15% of alkylbenzene sulfonate, 1-10% of alkylphenol polyoxyethylene ether and 10-55% of water.
The weeding composition also comprises one or more auxiliary agents of fillers, emulsifiers, thickeners, antifreezing agents, dispersing agents, binders, stabilizers, safeners and synergists.
Optionally, the herbicidal composition is in a dosage form selected from the group consisting of a powder, a granule, a microemulsion, an aqueous emulsion, an oil suspension, and an aqueous suspension.
According to another aspect of the present invention, the present invention also provides use of the herbicidal composition for controlling weeds.
The weeding composition contains glufosinate-ammonium, and has the following advantages by being matched with quizalofop-p-ethyl and optionally the compound auxiliary agent: the high efficiency and excellent water solubility of glufosinate-ammonium are fully utilized, the high selectivity and quick-acting property of quizalofop-p-ethyl to grassy weeds are utilized, and the conduction efficiency of the medicament in plants is improved through the bonding effect among the glufosinate-ammonium, the quizalofop-p-ethyl and the composite auxiliary agent, so that the weeding activity of the glufosinate-ammonium and the quizalofop-p-ethyl is exerted more quickly and fully, the using dosage of a pesticide preparation is reduced, and the use of an organic solvent is reduced; further improves the control efficiency of the compound weeding composition on perennial weeds and improves the low-temperature control effect, thereby enlarging the application range of the pesticide.
Therefore, the weeding composition has more remarkable synergistic effect compared with the glufosinate-ammonium and quizalofop-p-ethyl used independently. In particular, the herbicidal composition according to the present invention is particularly suitable for controlling perennial grassy weeds, broadleaf weeds and sedge weeds, such as moleplant seed, bluegrass, alopecurus tape, cogongrass, goosegrass, crabgrass, cyperus rotundus, and the like.
Detailed Description
The weeding composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is glufosinate-ammonium and the active ingredient B comprises quizalofop-p-ethyl.
The weight ratio of the active ingredient A to the active ingredient B can be 80: 1-1: 80, preferably 60: 1-1: 60, more preferably 50: 1-1: 50, most preferably 30: 1-1: 30, and can be, for example, 25:1, 15:1, 10:1, 5:1, 1:5, 1:10, 1:15, 1:20, 1: 25.
Preferably, the weight ratio of active ingredient a to active ingredient B may be 2:1 to 30:1, preferably 5:1 to 25:1, more preferably 7:1 to 15:1, most preferably 8:1 to 10: 1.
According to a specific embodiment, the above herbicidal composition further comprises a complex adjuvant. The herbicidal composition comprising, based on the total weight of the herbicidal composition: 1-25% (preferably 3-15%, more preferably 8%) of glufosinate-ammonium, 0.5-15% (preferably 3-12%, more preferably 5-10%, e.g. 7%) of quizalofop-p-ethyl, and 1-30% (preferably 5-25%, more preferably 10-20%, e.g. 14%) of a composite additive. For example, the composite auxiliary agent may be a combination of alkyl glycoside and alcohol ether carboxylate in a weight ratio of 7:1 to 1:4 (e.g., 3:1 to 1:2, preferably 2:1, 1:1), or a combination of alkyl benzene sulfonate and alkylphenol ethoxylate in a weight ratio of 15:1 to 1:5 (e.g., 10:1 to 1:3, preferably 5:1 to 1: 2).
The alkyl group in the alkyl glycoside and alkylphenol ethoxylate may be, for example, a C6-C12 alkyl group, and is preferably a dodecyl group.
The alcohol ether carboxylate may be, for example, a C12-C18 alcohol ether carboxylate, such as a dodecyl ether carboxylate, preferably sodium dodecyl ether carboxylate.
The alkylbenzene sulfonate is preferably sodium dodecylbenzene sulfonate or calcium dodecylbenzene sulfonate.
Preferably, the above herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl, 0.5-10% of alkyl glycoside, 1-15% of alcohol ether carboxylate and the balance of water.
Optionally, the herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl, 1-15% of alkylbenzene sulfonate, 1-10% of alkylphenol polyoxyethylene ether and 10-55% of water.
Preferably, the herbicidal composition of the present invention may further comprise 1 to 5% by weight of an organic solvent, preferably 1.5 to 3.5%, e.g. 2%, 2.5%.
The organic solvent is selected from ethanol, methanol, N-dimethylformamide, dimethyl sulfoxide, cyclohexanone, and toluene.
The weeding composition can also comprise an oily matrix such as methyl oleate and the like, and is used for preparing formulations such as oil emulsion and the like.
Further, the above herbicidal composition may further comprise one or more adjuvants selected from fillers, emulsifiers, thickeners, antifreezes, dispersants, binders, stabilizers, safeners and synergists.
The filler used in the present invention may be selected from kaolin, bentonite, white carbon black, light calcium carbonate.
The percentage of the active ingredient is 0.5 to 40%, preferably 5 to 35%, more preferably 7 to 20%, for example 15%, based on the total weight of the herbicidal composition.
The dosage form of the weeding composition is selected from powder, granules, microemulsion, emulsion in water, oil suspending agent and water suspending agent.
The weeding composition is preferably microemulsion, and can quickly form a drug film by being diluted by water and then sprayed on a target before use. The weeding composition has strong systemic conductivity, prolongs the lasting time, and has high low-temperature pesticide effect, so that the pesticide utilization rate and selectivity are high, the pesticide dosage is reduced, and the environment-friendly effect is more remarkable.
The herbicidal composition is used in an effective amount of 1 to 100g (a.i.)/ha, preferably 10 to 80g (a.i.)/ha, 15 to 70g (a.i.)/ha, for example 55g (a.i.)/ha, 40g (a.i.)/ha, 25g (a.i.)/ha.
The herbicidal compositions according to the present invention may be provided in the form of a finished formulation, i.e. the ingredients of the composition have been mixed, or the ingredients of the composition may be provided in a single dose, mixed directly in a tank or tank prior to use and then diluted to the desired concentration.
In the weeding composition according to the invention, the glufosinate-ammonium molecular structure contains carboxyl, hydroxyl, amino and phosphonyl, and the quizalofop-p-ethyl molecular structure contains ester acyl, ether bond and halogen-Cl, so that the active ingredients and the compound auxiliary agents, such as phenolic hydroxyl in alkylphenol ethoxylate, alkyl glycoside and a plurality of ether bonds in alcohol ether carboxylate can form a three-dimensional net hydrogen bond structure, can be better attached to the surface of a plant and penetrate through a waxy layer of the plant epidermis, and the absorption efficiency of the medicament is improved, thereby providing a prevention rate. Because the glufosinate-ammonium, the quizalofop-p-ethyl, the alkyl glycoside, the alkylphenol polyoxyethylene, the alkylbenzene sulfonate or the alcohol ether carboxylate have excellent water solubility and biodegradability, the weeding effect can be improved, and the drug residue is low.
The weeding composition can be used for preventing and controlling gramineous weeds, broadleaf weeds and sedge weeds by compounding glufosinate-ammonium and quizalofop-p-ethyl, particularly high-selectivity prevention and control of perennial gramineous weeds, still keeps good prevention effect at low temperature, and has obviously better prevention and control effect under the condition of obviously low dosage.
Furthermore, through the combination of glufosinate-ammonium, quizalofop-p-ethyl and the specific compound auxiliary agent, the contact mode of the medicine liquid drop and the surface of the plant is improved, and the conduction efficiency is improved. Therefore, the specific combination of glufosinate-ammonium, quizalofop-p-ethyl and the compound auxiliary agent further improves the weeding efficiency of the weeding composition.
Specific examples will be listed below to representatively illustrate embodiments of the present invention.
The composition takes glufosinate-ammonium as an active ingredient (A) and quizalofop-p-ethyl as an active ingredient (B) to form binary compounding, and has obvious synergistic effect on preventing and killing grassy weeds of large grass age.
Indoor toxicity test
The determination method comprises the following steps:
transplanting perennial weeds, namely the palea hirta and the cylindracea into black plastic nutrition cups (the diameter is 20cm) filled with nutrient soil, and culturing 10 plants in each cup in a greenhouse for later use.
The medicament is completely dissolved by acetone to prepare mother liquor, and the mother liquor is gradually diluted to the required concentration according to the requirement of experimental design dosage.
Spraying stem and leaf. Spraying stem and leaf with raw measuring spray tower, adding water 100ml/m2Droplet diameter 100 μm, nozzle flow 90 mL/min-1And a clear water contrast is set. Weighing the fresh weight of the overground part of weeds 30 days after the treatment, and calculating the fresh weight control effect.
Specifically, the Gowing method is used for evaluating the combined action type of two herbicides, and the theoretical control effect of the mixed herbicide is calculated according to the following formula:
in the formula: when the dosage of X is P, the herbicide A is used singly to achieve the percentage control effect;
y is the single-use percentage control effect of the herbicide B when the using amount is Q;
E0the theoretical control effect of the herbicide (A + B) when the dosage is (P + Q);
e is the actual control effect of the herbicide (A + B) when the dosage is (P + Q);
when E-E0Antagonism is indicated when < -10 >, and E-E is indicated when-10 < E-E0Addition when < 10, when E-E0The synergistic effect is more than 10.
TABLE 1 evaluation of the control of the compounded reagents in different proportions
As can be seen from the data in the table, the fresh weight control effect of the compound of glufosinate-ammonium and quizalofop-p-ethyl on the palea hirta and the boehmeria cylindrica is far greater than that of each single agent, and the E-E in the proportion0>10 percent, so the glufosinate-ammonium and quizalofop-p-ethyl have obvious synergistic effect after being compounded, and particularly the control effect on gramineous weeds difficult to control is obviously improved.
(II) field herbicide efficacy test
Examples
Example 112% (glufosinate-ammonium 10% + quizalofop-p-ethyl 2%) microemulsion
Dissolving 2% of quizalofop-p-ethyl in 10% of cyclohexanone, and then adding 8% of sodium dodecyl ether carboxylate to prepare an oil phase; 10 percent of glufosinate-ammonium, 18 percent of dodecyl glucoside and the balance of water are evenly stirred to obtain a water phase, and the oil phase is poured into the water phase and evenly stirred to obtain the 12 percent glufosinate-quizalofop-p-ethyl microemulsion.
Example 227% (glufosinate-ammonium 24% + quizalofop-p-ethyl 3%) oil suspension
24 percent of glufosinate-ammonium, 3 percent of quizalofop-p-ethyl, 3 percent of sodium dodecyl benzene sulfonate, 15 percent of dodecyl phenol polyoxyethylene ether, 2 percent of organic bentonite and the balance of methyl oleate are sheared and stirred uniformly at a high speed, and then ball-milled until the diameter of particles is less than 5 microns, thus obtaining the 27 percent glufosinate-quizalofop-p-ethyl oil suspending agent.
Example 322% (glufosinate-ammonium 20% + quizalofop-p-ethyl 2%) oil suspension
20 percent of glufosinate-ammonium, 2 percent of quizalofop-p-ethyl, 3 percent of sodium dodecyl ether carboxylate, 12 percent of dodecyl glucoside, 2 percent of organic bentonite and the balance of methyl oleate are sheared and stirred uniformly at a high speed, and then ball-milled until the diameter of particles is less than 5 microns, thus obtaining the 22 percent glufosinate-quizalofop-p-ethyl oil suspending agent.
EXAMPLE 48% (glufosinate-ammonium 7.5% + quizalofop-p-ethyl 0.5%) microemulsion
Dissolving 0.5 percent of quizalofop-p-ethyl in 8 percent of quinamide, and then adding 8 percent of sodium dodecyl ether carboxylate to prepare an oil phase; 7.5 percent of glufosinate-ammonium, 15 percent of dodecyl glucoside and the balance of water are evenly stirred to obtain a water phase, and the oil phase is poured into the water phase and evenly stirred to obtain the 8 percent glufosinate-quizalofop-p-ethyl microemulsion.
Comparative example 112% (fomesafen 10% + quizalofop-p-ethyl 2%) microemulsion
Dissolving 10% of fomesafen and 2% of quizalofop-p-ethyl in 20% of cyclohexanone, and then adding 21% of dodecyl glucoside and 3% of sodium dodecyl ether carboxylate to prepare an oil phase; pouring the oil phase into the balance of water, and uniformly stirring to obtain the 12% fomesafen-quizalofop-p-ethyl microemulsion.
Comparative example 227% (acifluorfen 24% + quizalofop-p-ethyl 3%) oil suspension
24 percent of acifluorfen-quizalofop-p-ethyl, 3 percent of sodium dodecyl benzene sulfonate, 15 percent of dodecyl phenol polyoxyethylene ether, 2 percent of organic bentonite and the balance of methyl oleate are sheared and stirred uniformly at a high speed, and then ball-milled until the diameter of particles is less than 5 microns, thus obtaining the 27 percent acifluorfen-quizalofop-p-ethyl oil suspending agent.
Comparative example 322% (rimsulfuron 20% + quizalofop-p-ethyl 2%) oil suspension
20 percent of rimsulfuron, 2 percent of quizalofop-p-ethyl, 3 percent of sodium dodecyl ether carboxylate, 12 percent of dodecyl glucoside, 2 percent of organic bentonite and the balance of methyl oleate are sheared and stirred uniformly at a high speed, and then ball-milled until the diameter of particles is less than 5 microns, thus preparing the 22 percent of rimsulfuron-quizalofop-p-ethyl oil suspending agent.
Field test
The test method comprises the following steps: the respective agents according to the above examples were accurately weighed according to the area of the test area, diluted in a form suitable for spraying in a predetermined effective amount, and uniformly sprayed. The spray head selects a special fan-shaped spray head for weeding to spray: (1) the temperature is 20 ℃ when the pesticide is applied, and no wind exists in sunny days; (2) the temperature is 10 ℃ when the medicine is applied, and no wind exists in sunny days. When spraying, the liquid medicine is uniformly sprayed into a test cell, so that the repeated spraying and the missing spraying are avoided.
After the test is finished, the weed death condition is observed 30 days after the drug is applied, 1 square meter is randomly selected from each test area to carry out weed death rate investigation, and the control effect is calculated respectively.
TABLE 2 field test of efficacy
The data in table 2 show that the single-component glufosinate-ammonium and quizalofop-p-ethyl has poor control effect on gramineous weeds difficult to control, such as blumea, imperata and the like, but when the binary compound of glufosinate-ammonium and quizalofop-p-ethyl is carried out, the control effect on blumea and imperata is remarkably increased by combining with a specific compound auxiliary agent proportion, and the low-temperature drug effect of the pesticide is remarkably improved.
Therefore, the binary combination of glufosinate-ammonium and quizalofop-p-ethyl realizes the synergistic effect, enlarges the weed control spectrum and can still keep the equivalent prevention effect at low temperature.
As can be seen from the field test data of comparative examples 1 to 3 in Table 2, when quizalofop-p-ethyl is compounded with other herbicide activators, the low-temperature control effect on perennial gramineous weeds cannot be greatly improved.
Claims (9)
1. The weeding composition is characterized by comprising an active ingredient A and an active ingredient B, wherein the active ingredient A is glufosinate-ammonium, the active ingredient B comprises quizalofop-p-ethyl, and the weight ratio of the active ingredient A to the active ingredient B is 2: 1-30: 1.
2. A herbicidal composition according to claim 1, wherein the weight percentage of active ingredient a and active ingredient B is from 0.5 to 40% based on the total weight of the herbicidal composition.
3. A herbicidal composition according to claim 1 or 2, wherein the effective amount of the herbicidal composition is 1 to 100g (a.i.)/ha.
4. A herbicidal composition according to claim 1 or 2, wherein the herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl and 1-30% of composite auxiliary agent.
5. The herbicidal composition of claim 4, wherein the herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl, 0.5-10% of alkyl glycoside, 1-15% of alcohol ether carboxylate and the balance of water.
6. The herbicidal composition of claim 4, wherein the herbicidal composition comprises, based on the total weight of the herbicidal composition: 1-25% of glufosinate-ammonium, 0.5-15% of quizalofop-p-ethyl, 1-15% of alkylbenzene sulfonate, 1-10% of alkylphenol polyoxyethylene ether and 10-55% of water.
7. A herbicidal composition according to claim 1 or 2, wherein the herbicidal composition further comprises one or more adjuvants selected from the group consisting of fillers, emulsifiers, thickeners, antifreeze agents, dispersants, binders, stabilizers, safeners and synergists.
8. A herbicidal composition according to claim 1 or 2, wherein the herbicidal composition is in a dosage form selected from the group consisting of dusts, granules, microemulsions, oil suspensions.
9. Use of the herbicidal composition according to any one of claims 1 to 8 for controlling weeds.
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| CN201811048918 | 2018-09-10 | ||
| CN2018110489188 | 2018-09-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016453A (en) * | 2021-03-03 | 2021-06-25 | 浙江东郁广陈果业有限公司 | Apple nursery weeding method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| NZ584359A (en) * | 2011-03-04 | 2011-09-30 | Zelam Ltd | Composisiton containing glufosinate and one of acifluorfen, oxyfluorfen and fomesafen |
| CN102986724A (en) * | 2012-11-26 | 2013-03-27 | 洪仁作 | Forestry herbicide |
-
2019
- 2019-09-10 CN CN201910854515.0A patent/CN110881473A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| NZ584359A (en) * | 2011-03-04 | 2011-09-30 | Zelam Ltd | Composisiton containing glufosinate and one of acifluorfen, oxyfluorfen and fomesafen |
| CN102986724A (en) * | 2012-11-26 | 2013-03-27 | 洪仁作 | Forestry herbicide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016453A (en) * | 2021-03-03 | 2021-06-25 | 浙江东郁广陈果业有限公司 | Apple nursery weeding method |
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Application publication date: 20200317 |
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