CN101861867B - Pesticide compound containing penoxsulam and cyhalofop-butyl and application thereof - Google Patents
Pesticide compound containing penoxsulam and cyhalofop-butyl and application thereof Download PDFInfo
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- CN101861867B CN101861867B CN 201010208210 CN201010208210A CN101861867B CN 101861867 B CN101861867 B CN 101861867B CN 201010208210 CN201010208210 CN 201010208210 CN 201010208210 A CN201010208210 A CN 201010208210A CN 101861867 B CN101861867 B CN 101861867B
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Abstract
The invention discloses a pesticide compound containing penoxsulam and cyhalofop-butyl, and the application thereof; the compound comprises commonly used additive, penoxsulam and cyhalofop-butyl; the weight part ratio of the penoxsulam to the cyhalofop-butyl is 1:1 to 1:20; and the weight percentage of the total weight of the penoxsulam and the cyhalofop-butyl in the pesticide compound is 5 to 80 percent. The invention is used for preventing and removing annual grassy weeds in a paddy field. The prevention effect of the invention has significant synergic or adding effect than the single dose, and the invention reduces the used dose of the pesticide, reduces the medication cost, prolongs the service life of the preparation and reduces the adverse impact of the pesticide on the ecological environment.
Description
Technical field
The composition pesticide that the present invention relates to is take penoxsuam and cyhalofop-butyl as active ingredient, is used for preventing and kill off farmland weed, is particularly useful for preventing and kill off paddy field annual weed etc.
Background technology
Penoxsuam (penoxsulam) is translocated herbicide, and through cauline leaf, young shoot and Root Absorption, amine can be adsorbed rapidly by soil.Conduct to meristematic tissue by xylem and phloem, suppress plant strain growth, make the growing point chlorosis, after processing, 7～14d terminal bud reddens, necrosis, and 2～4 all plant are dead; This agent is strong inhibitor of acetolactate synthetase, and medicament presents slower, needs the certain hour weeds just dead gradually.The rice field broad-spectrum herbicide, can effectively prevent and kill off barnyard grass, moleplant seed and annual sedge weed, and numerous broad leaved weeds are had, also can prevent and kill off anti-bensulfuron-methyl weeds in the rice field, and many broad-leaveds and sedge weed and barnyard grass etc. had residual activity, for composing the widest kind with herbicide in weed killer herbicide in present rice field.
Cyhalofop-butyl (cyhalofop-butyl) is in fragrant phenoxy phenoxy propionic acid weed killer herbicide, paddy rice to be had the kind of tight security.Cyhalofop-butyl is also interior suction conductivity weed killer herbicide, blade and leaf sheath by plant corpus absorb, the phloem conduction, accumulate the meristem zone in plant corpus, suppress acetyl-CoA carboxylase, fatty acid is synthesized stop, the growth division of cell can not normally be carried out, film system etc. contains the fat structural deterioration, causes at last plant dead.In the paddy rice body, cyhalofop-butyl can be degraded to rapidly the diacid attitude to the acetyl-CoA carboxylase non-activity, thereby cyhalofop-butyl has the safety of height to paddy rice.Degrade in water and soil due to cyhalofop-butyl rapidly, to succession crop safety.Cyhalofop-butyl is applicable to the various planting types of paddy rice (as non-irrigated seedling, watery ricenursery, live, rice transplanting, rice transplanting etc.), can not produce poisoning recommending under consumption paddy rice to be used by seedling stage to the shooting stage.Cyhalofop-butyl is not only efficient to various barnyard grasses, also can prevent and treat the grassy weeds such as moleplant seed, lady's-grass, Paspalum distichum, green foxtail, eleusine indica, amur foxtail.
Being mixed of different pesticide species is the common methods of the agriculture resistance disease pest and weed of control.Screening 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.Penoxsuam and cyhalofop-butyl are mixed and use and there is no report.The inventor conducts in-depth research the formula screening of penoxsuam and cyhalofop-butyl, find that penoxsuam and cyhalofop-butyl are mixed, in certain mixed ratio scope synergy or the summation action certain to weeds, after further study, completed the present invention.
Summary of the invention
Technical problem to be solved: the object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency relatively poor, a kind of efficient, low toxicity is provided, quick-acting is good and the lasting period is long, is conducive to the pesticide combination of penoxsuam and the cyhalofop-butyl of the farmland weed comprehensive regulation.
Another object of the present invention is to provide this composition pesticide is used for preventing and kill off farmland weed, is particularly useful for preventing and kill off paddy field annual weed etc.
Technical scheme: for achieving the above object, the invention provides the composition pesticide that a kind of effective ingredient is comprised of penoxsuam and cyhalofop-butyl, the ratio of weight and number of penoxsuam and cyhalofop-butyl is 1: 1-1: 20.Penoxsuam and the percentage by weight of cyhalofop-butyl weight summation in composition pesticide are 5-80%.
Preferably, penoxsuam and the percentage by weight of cyhalofop-butyl weight summation in composition pesticide are 5-50%.
Described composition pesticide can according to well known to a person skilled in the art method, be mixed with the application forms of the suitable agricultural uses such as oil-suspending agent, microemulsion, aqueous emulsion, suspension emulsion, wetting powder or water dispersible granules.
The auxiliary agent that uses in composition pesticide provided by the invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, PH conditioning agent, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler etc., be all various auxiliary agents commonly used in Pesticide formulation, concrete composition and consumption require to determine by simple test according to formula.
The production technology of the various application forms of composition pesticide provided by the invention all belongs to existing known technology, does not repeat them here.
Composition pesticide provided by the invention adopts the method for spraying to use usually, also can adopt as required upper other operation techniques used of agricultural.
Composition pesticide provided by the invention is used for preventing and kill off the paddy field annual weed, should note medication after paddy rice 2 leaf 1 hearts when using.
Composition pesticide provided by the invention has following beneficial effect:
1. composition pesticide provided by the invention, its synergy shows obvious synergy or addition in certain ratio range, the herbicidal effect of composition is significantly improved than single dose, reduced the using dosage of agricultural chemicals, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope.
2. composition pesticide provided by the invention, the combination of two kinds of active ingredients has enlarged herbicidal spectrum, and two kinds of active ingredient mechanism of action are different simultaneously, can overcome the shortcoming that cyhalofop-butyl easily produces resistance, extend the service life of medicament.The application of composition can delay or overcome the drug-fast generation of rice weed, is conducive to agricultural synthesis and administers.The present invention is particularly useful for preventing and kill off the paddy field annual weed.
Be mixed to the synergy of weeds for further understanding penoxsuam and cyhalofop-butyl, the inventor is mixed to penoxsuam and cyhalofop-butyl and has carried out formulation screening test:
1.1 reagent agent
The 98% former medicine of penoxsuam; 98% cyhalofop-butyl active compound.
1.2 for the examination material
Chickweed (Stellaria media (L.) Cyrillus) (field is collected seed and preserved).
Moleplant seed (Leptochloa chinensis (L.) Nees) (field is collected seed and preserved).
1.3 test apparatus
Controlled greenhouse by solar heat; The accurate laboratory of POTTER spray tower; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
1.4 test method
1.4.1 test Treatment Design
(1) penoxsuam 0.6g (a.i.)/667m
2(2) penoxsuam 0.9g (a.i.)/667m
2(3) penoxsuam 1.2g (a.i.)/667m
2(4) penoxsuam 1.5g (a.i.)/667m
2(5) penoxsuam 1.8g (a.i.)/667m
2(6) cyhalofop-butyl 7.0g (a.i.)/667m
2(7) cyhalofop-butyl 6.0g (a.i.)/667m
2(8) cyhalofop-butyl 5.0g (a.i.)/667m
2(9) cyhalofop-butyl 4.0g (a.i.)/667m
2(10) cyhalofop-butyl 3.0g (a.i.)/667m
2(11) penoxsuam 0.6g+ cyhalofop-butyl 7.0g (a.i.)/667m
2(12) penoxsuam 0.9g+ cyhalofop-butyl 6.0g (a.i.)/667m
2(13) penoxsuam 1.2g+ cyhalofop-butyl 5.0g (a.i.)/667m
2(14) penoxsuam 1.5g+ cyhalofop-butyl 4.0g (a.i.)/667m
2(15 penoxsuam 1.8g+ cyhalofop-butyl 3.0g (a.i.)/667m
2(16) blank.
(annotate: g (a.i.)/667m
2The grams that represents every 667 square metres of effective ingredients of using, lower same.As 0.6g (a.i.)/667m
2Represent that every 667 square metres of effective ingredients of using are 0.6g.)
1.4.2 the activity test to moleplant seed
According to 1.4.1 test Treatment Design dosage configuration liquid, first calculate drug dosage according to experimental scheme, then take penoxsuam with electronic balance and cyhalofop-butyl is first used respectively acetone solution, and then stand-by with 0.1% Tween 80 aqueous solution prepared and diluted.
After the moleplant seed seed presoaking and germinating, point is sowed at the sectional area 0.25m that earth is housed
2The iron basin in, after preparing liquid by the test treatment dosage of design, every basin is broadcast 100, is cultured to 11 heart stage of leaf of barnyard grass in the greenhouse to process.According to 1.4.1 test Treatment Design dosage configuration liquid, spray liquid with POTTER precision laboratory spray tower, spouting liquid is every processing 50ml, keeps ground moistening after medicine.Every processing repeats 4 times, takes in 20 days after medicine and respectively processes moleplant seed acrial part fresh weight, calculates and respectively processes acrial part and remaining moleplant seed for the percentage of contrast, is mixed to the synergy of moleplant seed with Gowing method evaluation penoxsuam and cyhalofop-butyl.The actual preventive effect of Mixed Pharmacy is calculated as follows:
E
0＝X+Y(100-X)/100
In formula: X is penoxsuam consumption fresh weight preventive effect to moleplant seed when being P; Y is cyhalofop-butyl consumption fresh weight preventive effect to moleplant seed when being Q; E
0When being P for the penoxsuam consumption to the fresh weight preventive effect to barnyard grass of the fresh weight preventive effect of moleplant seed+when the cyhalofop-butyl consumption is Q; E is the actual preventive effect of Mixed Pharmacy.E-E
0＞10% is synergistic effect; E-E
0＜-10% is antagonism; E-E
0Value is addition between theoretical value ± 10%.
1.4.3 the activity test to chickweed
After the sub-presoaking and germinating of chickweed, point is sowed at the sectional area 0.25m that earth is housed
2The iron basin in, all the other same 1.4.2.
1.5 results and analysis
Result of the test is as shown in table 1, table 2, penoxsuam and the cyhalofop-butyl composition that is mixed is 1 at ratio of quality and the number of copies: 1-1: between 20, the mixture of 5 different mixed ratios shows as synergy or summation action to the synergy of moleplant seed, and chickweed is shown as synergy or summation action.Both are mixed and prevent and kill off the paddy field annual weed is feasible.
Table 1 penoxsuam and cyhalofop-butyl are mixed (after medicine 20 days) are measured in the synergy of moleplant seed
| Process number | Test is processed | Actual fresh weight preventive effect E value (%) | E 0Value (%) | E-E 0Value (%) |
| (1) | Penoxsuam 0.6g (a.i.)/667m 2 | 54.22 | - | - |
| (2) | Penoxsuam 0.9g (a.i.)/667m 2 | 67.84 | - | - |
| (3) | Penoxsuam 1.2g (a.i.)/667m 2 | 79.88 | - | - |
| (4) | Penoxsuam 1.5g (a.i.)/667m 2 | 86.50 | - | - |
| (5) | Penoxsuam 1.8g (a.i.)/667m 2 | 91.62 | - | - |
| (6) | Cyhalofop-butyl 7.0g (a.i.)/667m 2 | 90.33 | - | - |
| (7) | Cyhalofop-butyl 6.0g (a.i.)/667m 2 | 84.42 | - | - |
| (8) | Cyhalofop-butyl 5.0g (a.i.)/667m 2 | 71.17 | - | - |
| (9) | Cyhalofop-butyl 4.0g (a.i.)/667m 2 | 66.18 | - | - |
| (10) | Cyhalofop-butyl 3.0g (a.i.)/667m 2 | 52.49 | - | - |
| (11) | Penoxsuam 0.6g+ cyhalofop-butyl 7.0g (a.i.)/667m 2 | 97.92 | 95.57 | 2.34 |
| (12) | Penoxsuam 0.9g+ cyhalofop-butyl 6.0g (a.i.)/667m 2 | 96.94 | 94.99 | 1.95 |
| (13) | Penoxsuam 1.2g+ cyhalofop-butyl 5.0g (a.i.)/667m 2 | 97.81 | 94.20 | 3.61 |
| (14) | Penoxsuam 1.5g+ cyhalofop-butyl 4.0g (a.i.)/667m 2 | 96.96 | 95.43 | 1.53 |
| (15) | Penoxsuam 1.8g+ cyhalofop-butyl 3.0g (a.i.)/667m 2 | 96.55 | 96.02 | 0.53 |
Table 2 penoxsuam and cyhalofop-butyl are mixed (after medicine 20 days) are measured in the synergy of chickweed
| Process number | Test is processed | Actual fresh weight preventive effect E value (%) | E 0Value (%) | E-E 0Value (%) |
| (1) | Penoxsuam 0.6g (a.i.)/667m 2 | 60.12 | - | - |
| (2) | Penoxsuam 0.9g (a.i.)/667m 2 | 72.22 | - | - |
| (3) | Penoxsuam 1.2g (a.i.)/667m 2 | 78.62 | - | - |
| (4) | Penoxsuam 1.5g (a.i.)/667m 2 | 87.27 | - | - |
| (5) | Penoxsuam 1.8g (a.i.)/667m 2 | 91.85 | - | - |
| (6) | Cyhalofop-butyl 7.0g (a.i.)/667m 2 | 61.60 | - | - |
| (7) | Cyhalofop-butyl 6.0g (a.i.)/667m 2 | 58.91 | - | - |
| (8) | Cyhalofop-butyl 5.0g (a.i.)/667m 2 | 57.24 | - | - |
| (9) | Cyhalofop-butyl 4.0g (a.i.)/667m 2 | 42.11 | - | - |
| (10) | Cyhalofop-butyl 3.0g (a.i.)/667m 2 | 34.43 | - | - |
| (11) | Penoxsuam 0.6g+ cyhalofop-butyl 7.0g (a.i.)/667m 2 | 96.74 | 84.69 | 12.05 |
| (12) | Penoxsuam 0.9g+ cyhalofop-butyl 6.0g (a.i.)/667m 2 | 98.50 | 88.39 | 10.11 |
| (13) | Penoxsuam 1.2g+ cyhalofop-butyl 5.0g (a.i.)/667m 2 | 99.33 | 90.86 | 8.47 |
| (14) | Penoxsuam 1.5g+ cyhalofop-butyl 4.0g (a.i.)/667m 2 | 99.78 | 92.63 | 7.15 |
| (15) | Penoxsuam 1.8g+ cyhalofop-butyl 3.0g (a.i.)/667m 2 | 99.27 | 94.66 | 4.61 |
Embodiment
The present invention describes by following specific embodiment, but the invention is not restricted to following specific embodiment.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Embodiment one (5% penoxsuam cyhalofop-butyl wetting powder)
Penoxsuam 2.5%, cyhalofop-butyl 2.5%, sodium butylnaphthalenesulfonate (wetting agent) 6%, sodium metnylene bis-naphthalene sulfonate (dispersant) 10%, white carbon (filler) 6%, surplus is kaolin (filler).Above-mentioned formula is entered in blender after coarse crushing in proportion mix, more namely make 5% penoxsuam cyhalofop-butyl wetting powder after air-flow crushing.
Embodiment two (6% penoxsuam cyhalofop-butyl suspension emulsion)
Penoxsuam 1.5%, cyhalofop-butyl 4.5%, agriculture breast 1601# (emulsifier) 15%, to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt (wetting agent) 7%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate (dispersant) 5%, aluminium-magnesium silicate (thickener) 1%, bentonite (thickener) 2%, xanthans (stabilizing agent) 0.1%, organosilicon (defoamer) 0.4%, glycerine (antifreezing agent) 4%, surplus are deionized water (medium).Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, allotment making 6% penoxsuam cyhalofop-butyl suspension emulsion after high shear mixing.
Embodiment three (15% penoxsuam cyhalofop-butyl water-dispersible granules)
Penoxsuam 2.5%, cyhalofop-butyl 12.5%, lauryl sodium sulfate (wetting agent) 6%, polycarboxylate (dispersant) 5%, sodium chloride (disintegrant) 2%, polyethylene glycol (binding agent) 3%, surplus is kaolin (filler).Dry pulverization process, granulation, drying, screening make 15% penoxsuam cyhalofop-butyl water-dispersible granules in proportion with above-mentioned formula.
Embodiment four (10% penoxsuam aqueous cyhalofop-butyl emulsion)
Penoxsuam 0.5%, cyhalofop-butyl 9.5%, 1-METHYLPYRROLIDONE (emulsifier) 10%, castor oil polyoxyethylene ether (emulsifier) 6%, neopelex (wetting agent) 8%, styrene phenol formaldehyde resin polyoxyethylene ether phosphate salt (dispersant) 3%, organosilicon (defoamer) 0.5%, xanthans (stabilizing agent) 0.5%, Magnesiumaluminumsilicate (thickener) 0.5%, surplus is deionized water (medium).Above-mentioned formula Central Plains medicine, solvent, emulsifiers dissolve are become even oil phase; Water-soluble component and deionized water in above-mentioned formula are mixed make water; Under high-speed stirred, oil phase and water mixing are made 10% penoxsuam aqueous cyhalofop-butyl emulsion.
Embodiment five (5.5% penoxsuam cyhalofop-butyl oil-suspending agent)
Penoxsuam 0.5%, cyhalofop-butyl 5%, polyoxyethylene nonylphenol ether (emulsifier) 5%, fatty alcohol-polyoxyethylene ether (wetting agent) 4%, sodium lignin sulfonate (dispersant) 6%, bentonite (thickener) 2%, xanthans (stabilizing agent) 0.5%, polyglycerol (defoamer) 0.5%, surplus are organic soya-bean oil (solvent).Said components is dropped in the sand milling still in proportion change mixing in mixer for well-distribution over to after grinding, namely make 5.5% penoxsuam cyhalofop-butyl oil-suspending agent.
Embodiment six (8% penoxsuam cyhalofop-butyl microemulsion)
Penoxsuam 2%, cyhalofop-butyl 6%, 1-METHYLPYRROLIDONE (solvent) 3%, isopropyl alcohol (solvent) 16%, agriculture breast 500# (emulsifier) 5%, agriculture breast 1601# (emulsifier) 3%, surplus is deionized water (medium).Above-mentioned former medicine, solvent, emulsifier are mixed in proportion, make it be dissolved as even oil phase; Water-soluble component mixes with deionized water and makes water; Under agitation that oil phase is mixed with water, namely make 8% penoxsuam cyhalofop-butyl microemulsion.
Embodiment seven (80% penoxsuam cyhalofop-butyl wetting powder)
Penoxsuam 10%, cyhalofop-butyl 70%, sodium butylnaphthalenesulfonate (wetting agent) 2%, sodium lignin sulfonate 3%, naphthalenesulfonic acid-formaldehyde condensate (dispersant) 2%, white carbon (filler) 4%, surplus is kaolin (filler).Above-mentioned formula is entered in blender after coarse crushing in proportion mix, more namely make 80% penoxsuam cyhalofop-butyl wetting powder after air-flow crushing.
Embodiment eight (50% penoxsuam cyhalofop-butyl suspension emulsion)
Penoxsuam 20%, cyhalofop-butyl 30%, agriculture breast 1601# (emulsifier) 5%, to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt (wetting agent) 4%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate (dispersant) 3%, bentonite (thickener) 1%, xanthans (stabilizing agent) 0.3%, organosilicon (defoamer) 0.5%, glycerine (antifreezing agent) 1%, surplus is deionized water (medium).Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, allotment making 50% penoxsuam cyhalofop-butyl suspension emulsion after high shear mixing.
Biologicall test embodiment: the penoxsuam cyhalofop-butyl composition that is mixed is prevented and kill off the field control effectiveness test of rice direct seeding field annual weed
Reagent agent and dispenser dosage:
(1) 15% penoxsuam cyhalofop-butyl water-dispersible granule (2.5% penoxsuam: 12.5% cyhalofop-butyl), mu preparation 40 grams (1#);
(2) 6% penoxsuam cyhalofop-butyl suspension emulsions (1.5% penoxsuam: 4.5% cyhalofop-butyl), mu preparation 80 grams (2#);
(3) 5% penoxsuam cyhalofop-butyl wetting powders (2.5% penoxsuam: 2.5% cyhalofop-butyl), mu preparation 40 grams (3#);
(4) 10% penoxsuam aqueous cyhalofop-butyl emulsions (0.5% penoxsuam: 9.5% cyhalofop-butyl), mu preparation 80 grams (4#);
Contrast medicament and dispenser dosage:
(1) 25 grams per liter penoxsuam oil-suspending agent, mu preparation 60 grams (5#);
(2) 100g/L cyhalofop-butyl missible oil, mu preparation 90 grams (6#).
Spraying time: paddy rice 2 leaf 1 heart stage dispensers are watered even spraying.
Result of the test: see Table 3, as can be seen from the test results: after dispenser 30 days, composition pesticide of the present invention to the strain preventive effect of rice direct seeding field annual weed and fresh weight preventive effect all more than 94%, single dose significantly better than contrast, and enlarged herbicidal spectrum, in process of the test, each medicament is showed no the poisoning generation, to rice safety.
Table 3 is prevented and kill off the field control effectiveness test result (after medicine 30 days) of rice direct seeding field annual weed
| Reagent agent | The preparation usage amount (g/acre) | Strain preventive effect (%) | Fresh weight preventive effect (%) |
| 1# | 40 | 94.9 | 95.5 |
| 2# | 80 | 98.9 | 99.2 |
| 3# | 40 | 94.3 | 95.7 |
| 4# | 80 | 98.6 | 99.0 |
| 5# | 60 | 85.0 | 86.3 |
| 6# | 90 | 88.4 | 88.5 |
Table 4 is prevented and kill off the field control effectiveness test result (after medicine 30 days) of rice direct seeding field broadleaved herb, sedge weed
| Reagent agent | The preparation usage amount (g/acre) | Strain preventive effect (%) | Fresh weight preventive effect (%) |
| 1# | 40 | 90.1 | 92.5 |
| 2# | 80 | 91.2 | 94.3 |
| 3# | 40 | 95.4 | 96.7 |
| 4# | 80 | 97.6 | 98.4 |
| 5# | 60 | 91.1 | 96.0 |
| 6# | 90 | 30.5 | 23.1 |
Claims (1)
1. composition pesticide that contains penoxsuam and cyhalofop-butyl, comprise usual auxiliaries, penoxsuam and cyhalofop-butyl, it is characterized in that: percentage by weight is penoxsuam 10%, cyhalofop-butyl 70%, sodium butylnaphthalenesulfonate 2%, sodium lignin sulfonate 3%, naphthalenesulfonic acid-formaldehyde condensate 2%, white carbon 4%, surplus is kaolin, makes 80% penoxsuam cyhalofop-butyl wetting powder.
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| CN108576000A (en) * | 2018-06-05 | 2018-09-28 | 广东中迅农科股份有限公司 | Herbicidal combinations containing furans sulphur humulone and penoxsuam and sulfonylurea herbicide |
| CN109221202A (en) * | 2018-12-01 | 2019-01-18 | 安徽美程化工有限公司 | A kind of Herbicidal combinations and its application containing penoxsuam, oxaziclomefone and cyhalofop-butyl |
| CN110999909A (en) * | 2020-01-16 | 2020-04-14 | 河南邦君农业科技有限公司 | Efficient paddy field weeding composition |
| CN114158563B (en) * | 2021-12-22 | 2023-12-29 | 江苏明德立达作物科技有限公司 | Herbicide composition containing cycloheptane and application thereof |
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2010
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