CN104872147A - Weeding composition containing pentoxazone and mefenacet - Google Patents
Weeding composition containing pentoxazone and mefenacet Download PDFInfo
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Abstract
The invention discloses a weeding composition containing pentoxazone and mefenacet and an application of the weeding composition. The weeding composition is composed of first active ingredients, namely, oxaziclomefone, second active ingredients, namely, mefenacet, and promoters, wherein the weight ratio of the first active ingredients to the second active ingredients is 0.1-100 to 10-120. Water suspension, dispersible oil suspension, wettable powder, water dispersible granules and granules which are agriculturally allowable can be prepared from the weeding composition. The weeding composition is reasonable in component, good in weeding effect and low in pesticide cost, activity and the weeding effect of the weeding composition are not obtained by simply overlapping activity of all the components, and compared with an existing single preparation, besides the remarkable weeding effect, the weeding composition has the remarkable synergism, is high in safety and meets the safety requirement for pesticide preparations. The weeding composition is used for early-stage weed killing processing of rice transplantation fields, direct seeding fields and the like, and has high biological activity for weeds in rice fields.
Description
Technical field
The present invention relates to a kind of Herbicidal composition for rice field, be made up of active component Huan Wu Evil humulone and mefenacet and auxiliary agent, belong to technical field of compounded pesticide.
Background technology
Huan Wu Evil humulone, English name pentoxazone, trade name Wechser, Kusabue, Shokinel, Kusa Punch, The One, Starbo, Utopia, the chloro-5-cyclopentyloxy of chemical name: 3-(4--2-fluorophenyl)-5-isopropyl alkene-1,3-oxazole-2,4-diketone ， Shu oxazoline dione herbicides.The mechanism of action is suppress the oxidasic activity of protoporphyrinogen ix in chlcrophyll biosynthesis process, is proporphyrinogen oxidase inhibitor.In the presence of light, there is the destruction (peroxidation) of film in the lipid of the raw body film component of nascent oxygen oxidation Decomposition of generation to protoporphyrin IX, the Chlorophylls and Carotenoids effusion of photosynthetic pigment, plant corpus is finally withered.Huan Wu Evil humulone has strong adsorption by soil and low water-soluble, high to Security of rice, can use, prevent and kill off the multiple annual and perennial weeds such as barnyard grass, broad leaved weed, nutgrass flatsedge in any period before rice transplanting, after rice transplanting or when planting.The highest in weeds 0 leaf phase activity, weed size becomes large, and dosage increases.
Mefenacet, is again ring grass amine, English name mefenacet, chemical name: 2-[4-morpholinodithio-2-base oxygen-N-exalgine.Be a kind of selectivity inner-adsorption conduction-type herbicide, mainly through bud scale and root absorption, conduct to young shoot and the tender leaf of weeds through xylem and phloem, stop the cell division of weed growth point to be extended, finally cause plant dead.Growing point place is gathered in very soon after grassy weed (barnyard grass) contacts this medicine, effectively can prevent and kill off grassy weed, have special efficacy to barnyard grass in rudiment to the 2 leaf phase, to moleplant seed, needle spikesedge herb, wartwort, Monochoria vaginalis, mexicana, special-shaped nutgrass flatsedge, flat nutgrass flatsedge, cyperus iria and for many years aquatic nutgrass flatsedge also have certain preventive effect.But have that to be used alone cost high, be unfavorable for that spread uses, poor to part broad leaved weed preventive effect.
Huan Wu Evil humulone and mefenacet are all not identical in chemical classes with the mechanism of action, widely different on water prevention weeds in paddy field.By literature search, Huan Wu Evil humulone and the composite relevant report of mefenacet is not yet found that there is at present.Inventor is through the screening of a large amount of formula indoors and field control effectiveness test, find Huan Wu Evil humulone and mefenacet are carried out within the specific limits composite after, treatment effect closed down to the early stage weeds such as transplanted rice field, live field good, to paddy field barnyard grass, broad leaved weed and sedge weed etc., annual and perennial weed has obvious synergistic effect, use cost can be reduced, delaying drug resistance is high to crop safety.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, synergistic effect is remarkable, and herbicidal effect is good, and drug cost is low, energy delaying drug resistance, and the Herbicidal combinations to rice safety.
The Herbicidal combinations preparation formulation provided containing Huan Wu Evil humulone and mefenacet is provided.
Another object of the present invention is to provide above-mentioned composition preventing and kill off the application on paddy field weed.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention solves like this, and a kind of Herbicidal combinations containing Huan Wu Evil humulone and mefenacet, is characterized in that, comprising:
A) the first active component Huan Wu Evil humulone;
B) the second active component mefenacet;
The weight ratio of the first active component and the second active component is (0.1 ~ 100): (10 ~ 120), is preferably (0.2 ~ 70): (15 ~ 80).
The preparation formulation that the Herbicidal combinations of Huan Wu Evil humulone of the present invention and mefenacet can be prepared according to the method that those skilled in the art of the present technique are known is aqueous suspension agent, dispersibles oil-suspending agent, wetting powder, water dispersible granules, granule.
To aqueous suspension agent, spendable auxiliary agent has: emulsifier as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #, agriculture breast 2201, this coil-60#, emulsifier T-60(common name: anhydrous sorbitol single-hard ester acid ester APEO), TX-10(common name: octyl phenol polyoxyethylene (10) ether), agriculture breast 1601#, agriculture breast 600#, the newborn 400# of agriculture; Dispersant is as one or more in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is as one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more; Thickener as in white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; Defoamer is as one or more in such as silicone oil, silicone compound, C10-20 saturated fat acid compounds, C8-10 aliphatic alcohols, hexanol, butanols, octanol; Disintegrant as in ammonium sulfate, urea, sucrose, glucose one or more; Stabilizing agent is as triphenyl phosphite, epoxychloropropane, aceticanhydride.
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), Huntsman Corporation of TERSPERSE 2020(U.S. HUNTSMAN produce, alkyl naphthalene sulfonic acid salt) in one or more, emulsifier is as BY(castor oil polyoxyethylene ether) serial emulsifier (BY-110, BY-125, BY-140), Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), Tween-60 #(common name: sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), Huntsman Corporation of the TERSPERSE 4894(U.S. produce) in one or more, wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, Huntsman Corporation of the TERSPERSE 2500(U.S. produce) in one or more, thickener as in white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more, antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more, dispersion medium as soybean oil, rapeseed oil, cottonseed oil, paddy rice oil, castor oil, palm oil, epoxidized soybean oil, methyl oleate and esterification oils, diesel oil, machine oil, mineral oil, and esters solvent as in repefral, dibutyl phthalate, ethyl acetate, methyl benzoate one or more.
To wetting powder, spendable auxiliary agent has: dispersant as in polycarboxylate, lignosulfonates, polyoxyethylene polyoxypropylene base ether block copolymers, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol-polyethenoxy base ether sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Filler as ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To water dispersible granules, spendable auxiliary agent has: dispersant as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Disintegrant as in ammonium sulfate, sodium sulphate, polyvinylpyrrolidone, starch and derivative thereof, bentonite one or more; Binding agent is as one or more in starch, glucose, polyvinyl alcohol (PVA), polyethylene glycol, sodium carboxymethylcellulose, sucrose; Filler as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To granule, spendable auxiliary agent has: carrier is as one or more in clay, kaolin, talcum, calcium carbonate, corn starch, alumina silicate; Dispersant is as one or more in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is as one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Adhesive is as one or more in polyvinyl alcohol, dextrin, polyvinylpyrrolidone.
Instant component is reasonable, and preventive effect is better than activity when each component is used separately, has synergistic effect, expands control of weeds spectrum, reduces spraying times, reduce cost accounting, delaying drug resistance, good to crop safety, meets the security requirement of pesticidal preparations.The present invention can be used for the early stage weeds such as transplanted rice field, live field and closes down process, and to paddy field barnyard grass, broad leaved weed and sedge weed etc., annual and perennial weed has significant control efficiency.
Embodiment
Below by Toxicity Determination, ring penta Evil humulone is described and mefenacet is composite whether has synergistic effect to paddy field weed.
In order to prevent and kill off paddy field weed, we have carried out mutual composite synergy research with Huan Wu Evil humulone and mefenacet, and test method is with reference to " People's Republic of China's agricultural industry criteria NY/T1155.3-2006 farm-chemical indoor determination test rule weed killer herbicide the 3rd part: active determination test soil spray-on process " and " People's Republic of China's agricultural industry criteria NY/T1155.7-2006 farm-chemical indoor determination test rule weed killer herbicide the 7th part: the synergy of mixture measures ".
Subjects be paddy field barnyard grass (
echinochloa crusgalli), moleplant seed (
leptochloa chinensis), Monochoria vaginalis (
monochoria vaginalis), difformed galingale herb (
cyperus difformis).
Test adopts the air-dry sandy loam that sieves that the content of organic matter is 2%, pH is 6.8, permeability is good.Select to be easy to cultivate, breeding time consistent barnyard grass, moleplant seed, Monochoria vaginalis, difformed galingale herb seed, germination rate is all more than 80%.
Test soil is quantitatively filled to 4/5 place of basin alms bowl, adopts infiltrating irrigation mode bottom basin alms bowl, make soil complete wetting to saturation state.By barnyard grass, Monochoria vaginalis, moleplant seed, the uniform broadcasting of difformed galingale herb seed in soil surface, earthing 1.0cm, carries out soil spraying process after sowing 24h.
Single dose and each Mixed Pharmacy arrange 5 variable concentrations gradients (on the basis of preliminary experiment result, different according to dosages distribution, concentration gradient arranges also different, and rate of preventing and kill off sets by geometric progression in the scope of 5% ~ 90%).If clear water contrasts, repeat 4 times.Weeds are in germination period, carry out spraying process from low dosage to high dose respectively.Process is placed in greenhouse to cultivate and observes, with infiltrating irrigation mode moisturizing bottom basin alms bowl.
Process the rear fresh weight preventive effect calculating each chemicals treatment for 21 days, by the linear regression analysis between the probit value of preventive effect and the logarithm value of series concentration, obtain the ED of each medicament
50value, calculates the co-toxicity coefficient (CTC) of mixture, evaluates the activity of reagent agent to weeds with this by the abundant method of Sun Yun.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Table 1 Huan Wu Evil humulone and mefenacet combine the Toxicity Determination to barnyard grass
Table 2 Huan Wu Evil humulone and mefenacet combine the Toxicity Determination to moleplant seed
Table 3 Huan Wu Evil humulone and mefenacet combine the Toxicity Determination to Monochoria vaginalis
Table 4 Huan Wu Evil humulone and mefenacet combine the Toxicity Determination to difformed galingale herb
Toxicity Determination result shows: Huan Wu Evil humulone and mefenacet with weight ratio for (0.1 ~ 100): (10 ~ 120) are mixed all has good synergistic effect to barnyard grass, moleplant seed, Monochoria vaginalis, difformed galingale herb, weight ratio is (0.2 ~ 70): time (15 ~ 80), and synergistic effect is the most remarkable.
In order to better the present invention is described, be described further content of the present invention below in conjunction with embodiment, the percentage in formula is all weight percentage.
Example of formulations 1
Take 0.5% Huan Wu Evil humulone, 19.5% mefenacet, 2% agriculture breast 600#, 2% polycarboxylic acids sodium, 1% sodium naphthalene sulfonate, 2% glycerine, 3% bentonite, 0.5% silicone oil, 1% ammonium sulfate, 1% epoxychloropropane, deionized water adds to 100% weight portion.After above-mentioned raw materials mixing in high speed shear, Desert Sand grinding machine sand milling, in aqueous dispersion, form high dispersive, stable suspension system, obtained 20% ring penta Evil humulone mefenacet aqueous suspension agent.
Example of formulations 2
Take 1% Huan Wu Evil humulone, 14% mefenacet, 2% agriculture breast 2201,2% polycarboxylic acids sodium, 1% sodium naphthalene sulfonate, 2% propane diols, 3% polyvinyl alcohol, 0.5% octanol, 1% sucrose, 1% aceticanhydride, deionized water adds to 100% weight portion.After above-mentioned raw materials mixing in high speed shear, Desert Sand grinding machine sand milling, in aqueous dispersion, form high dispersive, stable suspension system, obtained 15% ring penta Evil humulone mefenacet aqueous suspension agent.
Example of formulations 3
Take 2% Huan Wu Evil humulone, 22% mefenacet, 2% agriculture breast 2201,2% polycarboxylic acids sodium, 1% sodium naphthalene sulfonate, 2% ethylene glycol, 3% aluminium-magnesium silicate, 0.5% butanols, 1% glucose, 1% epoxychloropropane, deionized water adds to 100% weight portion.After above-mentioned raw materials mixing in high speed shear, Desert Sand grinding machine sand milling, in aqueous dispersion, form high dispersive, stable suspension system, obtained 24% ring penta Evil humulone mefenacet aqueous suspension agent.
Example of formulations 4
Take 2.5% ring penta Evil humulone, 22.5% mefenacet, Huntsman Corporation of the 2%TERSPERSE 2020(U.S. produce), 4% this dish-60#, 3% agriculture breast 1601#, 4% agriculture breast 2201#, 1% alkylphenol polyoxyethylene phosphate, 0.5% white carbon, 5% ethylene glycol, little wheat oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 25% Huan Wu Evil humulone mefenacet obtained after sand mill sand milling.
Example of formulations 5
Take 20% Huan Wu Evil humulone, 10% mefenacet, 2% dispersing agent NNO, 3% Nongru-700 #, 10% Huntsman Corporation of BY-125,1%TERSPERSE 2500(U.S. produce), 1% aluminium-magnesium silicate, 3% propane diols, mineral oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 30% Huan Wu Evil humulone mefenacet obtained after sand mill sand milling.
Example of formulations 6
Take 3% Huan Wu Evil humulone, 17% mefenacet, 2% sodium lignin sulfonate, 3% Nongru-700 #, 10% BY-110,1% sodium naphthalene sulfonate, 1% bentonite, 3% glycerol epoxy soybean oil add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 20% Huan Wu Evil humulone mefenacet obtained after sand mill sand milling.
Example of formulations 7
Take 5% Huan Wu Evil humulone, 40% mefenacet, 4% polyoxyethylene polyoxypropylene base ether block copolymers, 2% Nekal BX (nekal), 2% dodecyl sodium sulfate, 3% talcum powder, fine particle calcium carbonate adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 45% Huan Wu Evil humulone mefenacet wetting powder after air-flow crushing.
Example of formulations 8
Take 30% Huan Wu Evil humulone, 20% mefenacet, 4% polycarboxylic acids calcium, 2% aliphatic alcohol polyoxyvinethene phosphate, 2% lauryl sodium sulfate, 3% White Carbon black, diatomite adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 50% Huan Wu Evil humulone mefenacet wetting powder after air-flow crushing.
Example of formulations 9
Take 40% Huan Wu Evil humulone, 15% mefenacet, 5% calcium lignosulfonate, 2% alkylphenol-polyethenoxy base ether sulfonic acid sodium, 2% neopelex, 5% attapulgite, kaolin adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 55% Huan Wu Evil humulone mefenacet wetting powder after air-flow crushing.
Example of formulations 10
Take 2% Huan Wu Evil humulone, 38% mefenacet, 2% sodium lignin sulfonate, 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 1% Nekal BX (nekal), 1% sodium alkyl sulfonate, 1% polyethylene glycol, diatomite adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 40% Huan Wu Evil humulone mefenacet water dispersible granules.
Example of formulations 11
Take 50% Huan Wu Evil humulone, 15% mefenacet, 2% TERSPERSE 2700(polycarboxylate, Huntsman Corporation of the U.S. produce), 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 1% Nekal BX (nekal), 1% sodium alkyl sulfonate, 1% glucose, talcum powder adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 65% Huan Wu Evil humulone mefenacet water dispersible granules.
Example of formulations 12
Take 10% Huan Wu Evil humulone, 60% mefenacet, 4% Negel, 2% sodium lignin sulfonate, 2% sodium alkyl sulfonate, 2%K-12(lauryl sodium sulfate), 3% sodium sulphate, 5% sulphur ammonium, kaolin adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 70% Huan Wu Evil humulone mefenacet water dispersible granules.
Example of formulations 13
Take 0.1% Huan Wu Evil humulone, 4.9% mefenacet, 5% Negel, 3% polycarboxylic acids sodium, 3% dextrin, calcium carbonate adds to 100% weight portion.Above-mentioned raw materials mixes in mixed cylinder, through extruding, granulation, drying, and through the obtained 5% Huan Wu Evil humulone mefenacet granule of screening step.
Example of formulations 14
Take 0.3% Huan Wu Evil humulone, 3.7% mefenacet, 5% sodium lignin sulfonate, 3% sodium alkyl sulfonate, 3% polyvinyl alcohol, clay adds to 100% weight portion.Above-mentioned raw materials mixes in mixed cylinder, through extruding, granulation, drying, and through the obtained 4% Huan Wu Evil humulone mefenacet granule of screening step.
Example of formulations 15
Take 0.5% Huan Wu Evil humulone, 2.5% mefenacet, 5% polycarboxylic acids sodium, 3% sodium naphthalene sulfonate, 3% polyvinylpyrrolidone, kaolin adds to 100% weight portion.Above-mentioned raw materials mixes in mixed cylinder, through extruding, granulation, drying, and through the obtained 3% Huan Wu Evil humulone mefenacet granule of screening step.
Biological Examples 1: water prevention weeds in paddy field field control effectiveness test.
Inventor has carried out example of formulations 1(20% Huan Wu Evil humulone mefenacet aqueous suspension agent in 2014 in Junichiro Koizumi village of xiangtan, hunan province county), example of formulations 4(25% Huan Wu Evil humulone mefenacet dispersibles oil-suspending agent), example of formulations 7(45% Huan Wu Evil humulone mefenacet wetting powder), example of formulations 10(40% Huan Wu Evil humulone mefenacet water dispersible granules) water prevention weeds in paddy field field control effectiveness test, demonstrate the control efficiency of this medicament to paddy field weed and the safety to paddy rice.
Trial crops is paddy rice, and controlling object is paddy field annual gramineous weed, broad leaved weed and nutgrass flatsedge: barnyard grass (
echinochloa crusgalli), moleplant seed (
leptochloa chinensis), Monochoria vaginalis (
monochoria vaginalis), difformed galingale herb (
cyperus difformis), during dispenser, paddy rice broadcasts latter 3 days, and be in for 1 leaf 1 heart stage, weeds are in germination period.Experimental field physical features is smooth, and soil fertility is medium, pH value 7.1.Test medicine and dosage refer to table 5.Separately establish blank, often process 4 times and repeat, every community 30 ㎡, Gong28Ge community, random district, community group arranges.Adopt conventional spray-on process, mu dispenser liquid 45kg.
After medicine, 30d investigates each process weeds strain preventive effect.Investigation method is that 2 points are investigated, often some 0.25m in every community
2(0.5m × 0.5m).Drug effect computational methods are:
Wherein: CK is blank district careless number alive; PT is the remaining careless number for the treatment of region.
Table 5 water prevention weeds in paddy field field control effectiveness test result
Field test results shows, 20% Huan Wu Evil humulone mefenacet aqueous suspension agent, 25% Huan Wu Evil humulone mefenacet dispersible oil-suspending agent, 45% Huan Wu Evil humulone mefenacet wetting powder, 40% Huan Wu Evil humulone mefenacet water dispersible granules, have good control efficiency to paddy field weed, after medicine, the average preventive effect of 30 days is all obviously better than the preventive effect of 90g/L Huan Wu Evil humulone suspending agent 30g a.i./mu, 50% mefenacet missible oil 30g a.i./mu.By to significance of difference analysis in 30 days after medicine, Huan Wu Evil humulone and mefenacet combine with other single dose process preventive effect otherness remarkable.
Security survey: after medicine, 7d, 15d estimate the safety of each process to rice seedlings.Observed result is, all reagent agents, to paddy growth safety, occur without the poisoning such as chlorisis, dwarfing phenomenon.
In sum, composition of the present invention is employing two kinds of active component compound schemes, its activity and herbicidal effect are not the simple superposition of each composition activity, compared with existing unitary agent, except there is significant herbicidal effect, and there is significant synergistic effect, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.
Claims (5)
1. one kind contains the Herbicidal combinations of ring penta Evil humulone and mefenacet, it is characterized in that: be made up of with the second active component mefenacet and auxiliary agent the first active component Huan Wu Evil humulone, the weight ratio of the first active component and the second active component is (0.1 ~ 100): (10 ~ 120).
2. the Herbicidal combinations of Han Huan Wu Evil humulone and mefenacet according to claim 1, is characterized in that: the weight ratio of the first active component and the second active component is (0.2 ~ 70): (15 ~ 80).
3. the Herbicidal combinations of Han Huan Wu Evil humulone and mefenacet according to claim 1, is characterized in that: described combination dosage form is aqueous suspension agent, dispersibles oil-suspending agent, wetting powder, water dispersible granules, granule.
4. the application of Herbicidal combinations on water prevention rice field annual gramineous weed, broad leaved weed and sedge weed of Han Huan Wu Evil humulone and mefenacet according to claim 1.
5. apply according to claim 4, paddy field annual gramineous weed is barnyard grass, moleplant seed, and broad leaved weed is Monochoria vaginalis, and sedge weed is difformed galingale herb.
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