CN104920399A - Weeding composition containing penoxsulam and benthiocarb - Google Patents
Weeding composition containing penoxsulam and benthiocarb Download PDFInfo
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Abstract
The invention discloses a rice field weeding composition containing penoxsulam and benthiocarb and an application thereof. The rice field weeding composition is composed of a first active component penoxsulam, a second active component benthiocarb and an auxiliary, and the weight ratio of the first active component to the second active component is (0.2-10) : (10-300). The composition can be made into a suspoemulsion, a capsule suspension, an emulsifiable concentrate, a microemulsion, a water emulsion, wettable powder, water dispersible granules and granules which are agriculturally allowed. The weeding composition of the invention has reasonable components and a good weeding effect, and is low in application cost. The activity and the weeding effect of the composition are not the simple superposition of the activities of the components. Compared with the conventional single-component formulation, the weeding composition not only has a remarkable weeding effect, but also has a remarkable gain effect, is good in prolonged resistance and safety, and meets the safety requirement of pesticide formulations. The weeding composition containing penoxsulam and benthiocarb is used to weed rice fields before re-seedling or early-stage weeding that follows seedling, and has higher activity of weeding the rice fields.
Description
Technical field
The present invention relates to a kind of Herbicidal composition for rice field, be made up of active component penoxsuam and benthiocarb and auxiliary agent, belong to technical field of compounded pesticide.
Background technology
Penoxsuam, English name penoxsulam, chemical name is: 2-(2,2-difluoro ethoxy)-N-(5,8-dimethoxy (1,2,4) triazole-(1,5-C) pyrimidine-2-base)-6-trifluoromethyl-benzene sulfanilamide (SN).Be broad spectrum activity translocated herbicide, medicine, via cauline leaf, young shoot and Root Absorption, conducts to meristematic tissue by xylem and phloem, suppresses plant strain growth, makes growing point chlorosis, and the rear 7 ~ 14d terminal bud of process reddens, necrosis, and within 2 ~ 4 weeks, plant is dead.Effectively can prevent and kill off grassy weed barnyard grass, moleplant seed and annual sedge weed, and effective to numerous broad leaved weed, and the lasting period is long.Meanwhile, it also can prevent and kill off anti-bensulfuron-methyl weeds in rice field, and has residual activity to many broad-leaveds and sedge weed and barnyard grass etc., is the kind that herbicide spectrum in current herbicide for rice field is the widest.Be applicable to the direct-sowing dry field of paddy rice, direct-sowing rice, rice seedling bed and rice transplanting, rice transplanting cultivation field.Consumption is 15 ~ 30g a.i./hm2.Direct-sowing dry Tian Yuya is front or after pouring water, direct-sowing rice is applied in early days after seedling; Rice transplanting cultivation then 5 ~ 7d dispenser after rice transplanting.Insecticide-applying way can adopt spraying or mix soil process.Lasting period reaches 30 ~ 60d, a drug energy basic controlling full season Weed infestation.
Benthiocarb, has another name called benthiocarb, weed eradication pellet, Benthiocarb, except field green bristlegrass, chemical name is: S-[(4-chlorphenyl) methyl] diethyl thiocarbamate.Benthiocarb is carbamates selectivity inner sucting conduction type soil processing herbicide, can be absorbed by the root of weeds and young shoot, and particularly young shoot is transferred in plant corpus after absorbing, and has very strong inhibitory action to growing point.Benthiocarb hinders α-amylase and protein synthesis, also has strong inhibition effect to the mitosis of plant cell, thus causes the weeds at the weed seed of sprouting and the initial stage of sprouting withered.The speed of barnyard grass Assimilation and conductivity benthiocarb is faster than paddy rice, and the speed of degradation in vivo benthiocarb is slower than paddy rice, and this forms optionally physiological foundation.This type of weed killer herbicide can rapidly by adsorption by soil, and the leaching thus with moisture is little, is generally distributed in soil layer 2 centimeters.The suction-operated of soil decreases the loss caused by evaporation and photodissociation.Half life period in soil, being 2 ~ 3 weeks under ventilation good condition, is then 6 ~ August under anaerobic condition.By soil microbial degradation, by the dechlorination benthiocarb that edaphon is formed under anaerobic condition, can suppress paddy growth consumingly.
A kind of weed killer herbicide of the single use of paddy field, the generation of control paddy field weed that can not be fully effective, if consumption is excessive, easily causes residual hazard to this season crop or succession crop.Penoxsuam and benthiocarb are all not identical in chemical classes with the mechanism of action, widely different on water prevention weeds in paddy field.By literature search, penoxsuam and the composite relevant report of benthiocarb 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 penoxsuam and benthiocarb are carried out within the specific limits composite after, weeds before paddy field seedling are closed down or after seedling early stage weeds treatment effect good, to annual gramineous weed, broad leaved weed and sedge weeds such as paddy field barnyard grass, moleplant seed, Monochoria vaginalis, difformed galingale herbs, there is obvious synergistic effect, control of weeds spectrum can be expanded, reduce use cost, delaying drug resistance, 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 control of weeds spectrum expands, and drug cost is low, energy delaying drug resistance, and the Herbicidal combinations to rice safety.
The Herbicidal combinations preparation formulation provided containing penoxsuam and benthiocarb 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 penoxsuam and benthiocarb, is characterized in that, comprising:
A) the first active component penoxsuam;
B) the second active component benthiocarb;
The weight ratio of the first active component and the second active component is (0.2 ~ 10): (10 ~ 300), is preferably (0.5 ~ 5): (15 ~ 150).
The Herbicidal combinations of penoxsuam of the present invention and benthiocarb is suspension emulsion, microcapsule suspending agent, missible oil, microemulsion, aqueous emulsion, wetting powder, water dispersible granules, granule according to the preparation formulation that the method that those skilled in the art of the present technique are known can be prepared.
For suspension emulsion, 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 as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Solvent as in repefral, dibutyl phthalate, ethyl acetate, methyl benzoate 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; 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; Water is deionized water.
To microcapsule suspending agent, spendable auxiliary agent has: macromolecule cyst material as in polyfunctional group acyl halide polyamines, gelatin, gum Arabic, distortion milk protein, sodium alginate one or more; Dispersant as in aliphatic alcohol polyethenoxy base ether, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt one or more; Solvent as in fatty acid ester, linseed oil, methyl oleate one or more; Emulsifier as in benzyl dimethyl phenol polyoxyethyl ether, phenethyl phenol polyoxyethanyl polypropylene-base ether, ethylene oxide-propylene oxide block copolymer one or more; PH conditioning agent as in sodium hydroxide and hydrochloric acid, citric acid, sorbic acid one or more; Defoamer is as C
8-10in aliphatic alcohols, acid amides, silicone defoaming agent, hexanol, butanols, octanol one or more; Water is deionized water.
To missible oil, 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; Solvent is as dimethylbenzene, solvent naphtha (S-150, S-180, S-200), toluene, biodiesel, methylated vegetable oil, 1-METHYLPYRROLIDONE; Cosolvent is as ethyl acetate, methyl alcohol, dimethyl formamide, cyclohexanone, acetone, MEK; Stabilizing agent is as triphenyl phosphite, epoxychloropropane, aceticanhydride.
To microemulsion, spendable auxiliary agent has: emulsifier is as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #, agriculture breast 2201, this dish-60#, polysorbate60-#, TX-10, agriculture breast 1601(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), agriculture breast 600#, agriculture breast 400#; Assistant for emulsifying agent is as methyl alcohol, isopropyl alcohol, n-butanol, ethanol; Solvent is as cyclohexanone, 1-METHYLPYRROLIDONE, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200); Stabilizing agent is as triphenyl phosphite, epoxychloropropane; Water is deionized water.
To aqueous emulsion, spendable auxiliary agent has: emulsifier is as Nonyl pheno (EO=10) ether phosphate, triphenoethyl benzene phenol polyethenoxy ether phosphate, Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name: Span60), Tween-60 #(common name: polyoxyethylene sorbitan stearate), TX-10(common name: octyl phenol polyoxyethylene (10) ether), agriculture breast 1601(common name: triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), agriculture breast 600#, agriculture breast 400# in one or more, solvent as dimethylbenzene, toluene, cyclohexanone, solvent naphtha (trade mark: S-150, S-180, S-200) one or more, stabilizing agent as in triphenyl phosphite, epoxychloropropane, epoxidized soybean oil one or more, antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more, thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more, preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more, water is deionized water.
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.Before the present invention is used for paddy field seedling, weeds are closed down or early stage weeds process after seedling, have significant control efficiency to annual gramineous weed, broad leaved weed and sedge weeds such as paddy field barnyard grass, moleplant seed, Monochoria vaginalis, difformed galingale herbs.
Embodiment
Below by Toxicity Determination, penoxsuam is described and benthiocarb 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 penoxsuam and benthiocarb, 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.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 penoxsuam and benthiocarb combine the Toxicity Determination to barnyard grass
Table 2 penoxsuam and benthiocarb combine the Toxicity Determination to moleplant seed
Table 3 penoxsuam and benthiocarb combine the Toxicity Determination to Monochoria vaginalis
Table 4 penoxsuam and benthiocarb combine the Toxicity Determination to difformed galingale herb
Toxicity Determination result shows: penoxsuam and benthiocarb are (0.2 ~ 10) with weight ratio: (10 ~ 300) are mixed all has good synergistic effect to barnyard grass, moleplant seed, Monochoria vaginalis, difformed galingale herb, weight ratio is (0.5 ~ 5): time (15 ~ 150), 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 5% penoxsuam, 30% benthiocarb, 5% agriculture breast 600#, 5% Negel, 3% ethyl acetate, 1% propane diols, 1% butanols, 1% polyvinyl alcohol, deionized water adds to 100% weight portion.Above-mentioned raw materials mixes through high speed shear, and ball milling 2 ~ 3 hours in ball mill, makes diameter of particle all below 5 μm, obtained 35% penoxsuam benthiocarb suspension emulsion.
Example of formulations 2
Take 0.5% penoxsuam, 29.5% benthiocarb, 5% agriculture breast 2201,5% polycarboxylic acids sodium, 3% repefral, 2% glycerine, 1% silicone oil, 1% bentonite, deionized water adds to 100% weight portion.Above-mentioned raw materials mixes through high speed shear, and ball milling 2 ~ 3 hours in ball mill, makes diameter of particle all below 5 μm, obtained 30% penoxsuam benthiocarb suspension emulsion.
Example of formulations 3
Take 2% penoxsuam, 23% benthiocarb, 5% fatty acid ester, 5% benzyl dimethyl phenol polyoxyethyl ether, 5% gum Arabic, 5% alkyl benzene sulfonate calcium salt, 1% silicone defoaming agent, 3% sodium hydroxide and citric acid, deionized water adds to 100% weight portion.By active component, macromolecule cyst material, solvent uniformly oil phase, oil phase is joined in aqueous phase solution, obtained 25% penoxsuam benthiocarb microcapsule suspending agent after shearing dispersion Post RDBMS.
Example of formulations 4
Take 3% penoxsuam, 32% benthiocarb, 5% linseed oil, 3% ethylene oxide-propylene oxide block copolymer, 5% distortion milk protein, the phonetic formaldehyde condensation products sulphate of 8% alkylphenol-polyethenoxy, 1% octanol, 3% sodium hydroxide and hydrochloric acid, deionized water adds to 100% weight portion.By active component, macromolecule cyst material, solvent uniformly oil phase, oil phase is joined in aqueous phase solution, obtained 35% penoxsuam benthiocarb microcapsule suspending agent after shearing dispersion Post RDBMS.
Example of formulations 5
Take 4% penoxsuam, 16% benthiocarb, 3% Nongru-700 #, 3% Nongru-700 #, 5% this dish-60#, 2% methyl alcohol, 2% triphenyl phosphite, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 20% penoxsuam benthiocarb missible oil completely afterwards.
Example of formulations 6
Take 1% penoxsuam, 29% benthiocarb, 3% agriculture breast 500#, 3% Nongru-700 #, 5% agriculture breast 1601#, 2% acetone, 2% aceticanhydride, biodiesel adds to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 30% penoxsuam benthiocarb missible oil completely afterwards.
Example of formulations 7
Take 2% penoxsuam, 13% benthiocarb, 3% Nongru-700 #, 2% calcium dodecyl benzene sulfonate, 3% methyl alcohol, 3% dimethylbenzene, 1% triphenyl phosphite, deionized water adds to 100% weight portion.Above-mentioned raw materials is obtained 15% penoxsuam benthiocarb microemulsion after being uniformly mixed.
Example of formulations 8
Take 1% penoxsuam, 24% benthiocarb, 3% agriculture breast 600#, 2% agriculture breast 2201,3% isopropyl alcohol, 3% toluene, 1% epoxychloropropane, deionized water adds to 100% weight portion.Above-mentioned raw materials is obtained 25% penoxsuam benthiocarb microemulsion after being uniformly mixed.
Example of formulations 9
Take 2% penoxsuam, 33% benthiocarb, 5% Nongru-700 #, 2% toluene, 1% triphenyl phosphite, 2% propane diols, 5% xanthans, 0.2% Sodium Benzoate, deionized water adds to 100% weight portion.Above-mentioned raw materials mixes, obtained 35% penoxsuam benthiocarb aqueous emulsion after high-speed stirred.
Example of formulations 10
Take 3% penoxsuam, 25% benthiocarb, 5% Tween-60 #, 2% dimethylbenzene, 1% epoxidized soybean oil, 2% ethylene glycol, 5% aluminium-magnesium silicate, 0.2% benzoic acid, deionized water adds to 100% weight portion.Above-mentioned raw materials mixes, obtained 28% penoxsuam benthiocarb aqueous emulsion after high-speed stirred.
Example of formulations 11
Take 5% penoxsuam, 55% benthiocarb, 4% calcium lignosulfonate, 2% aliphatic alcohol polyoxyvinethene phosphate, 2% lauryl sodium sulfate, 3% fine particle calcium carbonate, attapulgite adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 60% penoxsuam benthiocarb wetting powder after air-flow crushing.
Example of formulations 12
Take 4% penoxsuam, 40% benthiocarb, 5% aliphatic alcohol polyoxyvinethene phosphate, 2% alkylphenol-polyethenoxy base ether phosphate, 2% sodium alkyl sulfonate, 5% diatomite, potter's clay adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 44% penoxsuam benthiocarb wetting powder after air-flow crushing.
Example of formulations 13
Take 3% penoxsuam, 42% benthiocarb, 4% sodium lignin sulfonate, 2% Negel, 1% Nekal BX (nekal), 1% sodium alkyl sulfonate, 1% polyethylene glycol, attapulgite 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 45% penoxsuam benthiocarb water dispersible granules.
Example of formulations 14
Take 2% penoxsuam, 38% benthiocarb, 43% polycarboxylate GY-D06,5% sodium lignin sulfonate, 2% sodium alkyl sulfonate, 2%K-12(lauryl sodium sulfate), 3% sodium sulphate, 5% sulphur ammonium, potter's clay 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% penoxsuam benthiocarb water dispersible granules.
Example of formulations 15
Take 0.5% penoxsuam, 2.5% benthiocarb, 5% Negel, 3% sodium alkyl sulfonate, 3% polyvinylpyrrolidone, talcum powder adds to 100% weight portion.Above-mentioned raw materials mixes in mixed cylinder, through extruding, granulation, drying, and through the obtained 3% penoxsuam Thiobencarb granule of screening step.
Example of formulations 16
Take 1% penoxsuam, 3% benthiocarb, 5% polycarboxylic acids sodium, 3% sodium naphthalene sulfonate, 3% polyvinyl alcohol, calcium carbonate adds to 100% weight portion.Above-mentioned raw materials mixes in mixed cylinder, through extruding, granulation, drying, and through the obtained 4% penoxsuam Thiobencarb 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(35% penoxsuam benthiocarb suspension emulsion in 2014 in Junichiro Koizumi village of xiangtan, hunan province county), example of formulations 3(25% penoxsuam benthiocarb microcapsule suspending agent), example of formulations 5(20% penoxsuam benthiocarb water and milk oil), example of formulations 7(15% penoxsuam benthiocarb microemulsion), example of formulations 9(35% penoxsuam benthiocarb aqueous emulsion), example of formulations 11(60% penoxsuam benthiocarb wetting powder), example of formulations 13(45% penoxsuam benthiocarb 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 ㎡, Gong40Ge 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 (or fresh weight) alive; PT is the remaining careless number (or fresh weight) for the treatment of region.
Table 5 water prevention weeds in paddy field field control effectiveness test strain preventive effect
Field test results shows, 35% penoxsuam benthiocarb suspension emulsion, 25% penoxsuam benthiocarb microcapsule suspending agent, 20% penoxsuam benthiocarb missible oil, 15% penoxsuam benthiocarb microemulsion, 35% penoxsuam benthiocarb aqueous emulsion, 60% penoxsuam benthiocarb wetting powder, 45% penoxsuam benthiocarb water dispersible granules dosage is 100 g a.i./mus, good control efficiency is had to paddy field weed, after medicine, the average preventive effect of 30 days is all obviously better than 25g/L penoxsuam and dispersibles oil-suspending agent 2 g a.i./mu, the preventive effect of 50% benthiocarb missible oil 150g a.i./mu.By to significance of difference analysis in 30 days after medicine, penoxsuam and benthiocarb 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, preparation less residue, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.
Claims (5)
1. one kind contains the Herbicidal combinations of penoxsuam and benthiocarb, it is characterized in that: be made up of the first active component penoxsuam and the second active component benthiocarb and auxiliary agent, the weight ratio of the first active component and the second active component is (0.2 ~ 10): (10 ~ 300).
2. contain the Herbicidal combinations of penoxsuam and benthiocarb according to claim 1, it is characterized in that: the weight ratio of the first active component and the second active component is (0.5 ~ 5): (15 ~ 150).
3. contain the Herbicidal combinations of penoxsuam and benthiocarb according to claim 1, it is characterized in that: described combination dosage form is suspension emulsion, microcapsule suspending agent, missible oil, microemulsion, aqueous emulsion, wetting powder, water dispersible granules, granule.
4. contain the application of Herbicidal combinations on water prevention rice field annual gramineous weed, broad leaved weed and sedge weed of penoxsuam and benthiocarb 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109006846A (en) * | 2018-08-24 | 2018-12-18 | 安徽丰乐农化有限责任公司 | A kind of rice post-emergence complex weedicide containing penoxsuam |
| CN109122705A (en) * | 2018-09-30 | 2019-01-04 | 江西正邦作物保护有限公司 | A kind of Herbicidal combinations and its application containing penoxsuam, oxaziclomefone and benthiocarb |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937922A (en) * | 2004-03-26 | 2007-03-28 | 辛根塔参与股份公司 | A herbicidal combination |
| US20120252669A1 (en) * | 2011-03-30 | 2012-10-04 | Dow Agrosciences Llc | Penoxsulam as an herbicide in alfalfa |
-
2015
- 2015-07-06 CN CN201510389660.8A patent/CN104920399A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937922A (en) * | 2004-03-26 | 2007-03-28 | 辛根塔参与股份公司 | A herbicidal combination |
| US20120252669A1 (en) * | 2011-03-30 | 2012-10-04 | Dow Agrosciences Llc | Penoxsulam as an herbicide in alfalfa |
Non-Patent Citations (1)
| Title |
|---|
| ANONYMOUSLY: "2-(2,2-difluoroethoxy)-6-trifluoromethy1-N-(5,8-dimethoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-y1)benzenesulfonamide and its use as a herbicide in mixtures", 《RESEARCH DISCLOSURE》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109006846A (en) * | 2018-08-24 | 2018-12-18 | 安徽丰乐农化有限责任公司 | A kind of rice post-emergence complex weedicide containing penoxsuam |
| CN109122705A (en) * | 2018-09-30 | 2019-01-04 | 江西正邦作物保护有限公司 | A kind of Herbicidal combinations and its application containing penoxsuam, oxaziclomefone and benthiocarb |
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