CN104824001A - Herbicidal composition containing propyrisulfuron, cyhalofop-butyl and saflufenacil - Google Patents
Herbicidal composition containing propyrisulfuron, cyhalofop-butyl and saflufenacil Download PDFInfo
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- CN104824001A CN104824001A CN201510244536.2A CN201510244536A CN104824001A CN 104824001 A CN104824001 A CN 104824001A CN 201510244536 A CN201510244536 A CN 201510244536A CN 104824001 A CN104824001 A CN 104824001A
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- butyl
- cyhalofop
- pyribenzoxim
- sulfometuron methyl
- promazine sulfometuron
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Abstract
The invention relates to a herbicidal composition containing propyrisulfuron, cyhalofop-butyl and saflufenacil, which comprises the active ingredients of propyrisulfuron, cyhalofop-butyl and saflufenacil. The herbicidal composition provided by the invention has synergy against weeds in a paddy field, can expand a single dose weed control spectrum and reduce the risk of weed resistance, and is suitable for controlling the annual weeds in the paddy rice.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of synergistic function composition pesticide being active ingredient with promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim, be mainly applicable to prevent and kill off paddy field annual weed.
Background technology
Chemical method weeding is one of Main Means of paddy field weed prevention and control, uses single kind compound herbicide easily to cause weeds to develop immunity to drugs.Meanwhile, grass when paddy field weed occurs is mutually complicated, and grassy weed, sedge weed, broad leaved weed polymorphic type weeds are mixed raw, uses single kind compound herbicide all can show defect in a certain respect and limitation, can not solve farmland weed completely.Variety classes compound herbicide combines, and can expand herbicide spectrum, promote actual effect, delays herbicide resistance, time and labour saving advantage.
Promazine Sulfometuron Methyl (propyrisulfuron); chemical name: 1-(the chloro-6-propyl imidazole of 2-also [1; 2-b] pyridazine-3-sulfonyl)-3-(4; 6-dimethoxypyridin-2-base) urea; be a kind of selectivity broad-spectrum herbicide, there is residual effect effect, to the weeds of resistance to sulfonylurea herbicide, there is good preventive effect; effective to above the average age for marriage barnyard grass, nutgrass flatsedge, broadleaved herb, can foliar spray, get rid of and execute.
Cyhalofop-butyl (cyhalofop-butyl), chemical name: (R)-2-[4 (4-cyano group-2-fluorophenoxy) phenoxy group]-butyl propionate, it is only kind paddy rice to tight security in fragrant phenoxy phenoxy propionic acid weed killer herbicide, the same with such other kinds, be also Uptake and translocation weed killer herbicide.By blade and the leaf sheath absorption of plant corpus, phloem conducts, accumulate the meristem zone in plant corpus, resist acetyl-CoA carboxylase (ACCase), fatty acid is synthesized stop, the growth division of cell can not normally be carried out, and membranous system etc., containing fat structural deterioration, finally cause Plant death.
Pyribenzoxim (pyribenzoxim); chemical name: O-[2; 6-two [(4; 6-dimethoxy-2-pyrimidine radicals) oxygen base] benzoyl] diphenyl-ketoxime; it is oxime ester class selective herbicide; being absorbed by root leaf suppresses vinegar milk acid to be synthesized and hindered aminoacid biosynthesis side chain, is selective herbicide.
By the screening of different pesticide species compounded formula, select outstanding formula and effectively can improve actual control efficiency to disease, worm, crop smothering, reduce dosage, reduce costs, delaying disease, worm, the drug-fast generation of crop smothering, is the important means of agriculturally disease, worm, the crop smothering comprehensive regulation.The compounded formula screening of the present inventor to promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim conducts in-depth research, find promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim is composite in certain proportion, have synergistic effect to paddy field annual weed, after further study, the present invention is completed.
Promazine Sulfometuron Methyl, cyhalofop-butyl and pyribenzoxim composite without relevant report.
The present inventor is to promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim mixture conducts in-depth research, and finds promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim mixture has synergistic function, especially to moleplant seed (Leptochloa chinensis), barnyard grass (Echinochloa crusgalli), green foxtail (Setaria viridis), bent grass (Agrostis matsumurae), Paspalum distichum (Paspalum paspaloides), Yunnan ditch millet (Paspalum delavayi), hairy flowered paspalum (Paspalum dilatatum), Leersia Sw (Leersia hexandra), nit grass (Leptochloapanicea), Monochoria vaginalis (Monochoria vaginalis), triquetrousc murdannia herb (Murdanniatriquetra), rhizoma alismatis (Alisma plantago-aquatica), arrowhead (Sagittariatrifolia var.sinensis), firefly Lin (Scirpus juncoides), Scirpus tabernaemontani (Scirpusvalidus), difformed galingale herb (Cyperus difformis), summer dichotomous fimbristylis herb (Fimbristylisaestivalis (Retz.) Vahl) has obvious synergistic function.
Summary of the invention
The object of the present invention is to provide a kind of there is synergistic effect, expand herbicide spectrum, Herbicidal composition for rice field and application thereof that use cost is low, control efficiency is good active ingredient is promazine Sulfometuron Methyl, cyhalofop-butyl and pyribenzoxim.
The technical scheme realizing the object of the invention is: weight ratio 1 ~ 30:1 ~ 50:1 ~ 30 that Herbicidal combinations of the present invention is is active ingredient promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim for promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim; Promazine Sulfometuron Methyl and cyhalofop-butyl and the percentage by weight of pyribenzoxim weight summation in composition pesticide are 5% ~ 80%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described auxiliary element comprises solvent, emulsifier, wetting agent, dispersant, antifreezing agent, thickener, disintegrant, binding agent, defoamer, stabilizing agent, bleeding agent, synergist, solid acid, carbonate, flowing regulator, liquid-carrier and solid carrier etc., it is all composition that is conventional in pesticidal preparations or permission use, be not particularly limited, concrete composition and consumption are determined by simple test according to recipe requirements.
Described Herbicidal combinations by certain technological means can excipient for dispersibling oil-suspending agent, suspending agent, water dispersible granules.
The frequency of administration of the present composition and amount of application change with crops, weeds, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Beneficial effect: triple combination of the present invention (promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim) has synergistic function to target, expand herbicide spectrum, for preventing and kill off of paddy field annual weed provides excellent solution, for the paddy field weed comprehensive regulation, there is positive effect.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Embodiment 1: the Toxicity Determination test of promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim and composite barnyard grass (Echinochloa crusgalli) thereof, Leersia Sw (Leersia hexandra), triquetrousc murdannia herb (Murdannia triquetra), Scirpus tabernaemontani (Scirpus validus), difformed galingale herb (Cyperusdifformis).
Evaluate weed killer herbicide associated form (NY/T 1155.7-2006) according to Colby method, its formula is as follows:
In formula:
A be promazine Sulfometuron Methyl alone with certain dosage time fresh weight inhibition to target weeds;
B be cyhalofop-butyl alone with certain dosage time fresh weight inhibition to target weeds;
C be pyribenzoxim alone with certain dosage time fresh weight inhibition to target weeds;
N is the weed killer herbicide kind number of mixture;
E
0for the theoretical value to target weeds fresh weight inhibition when promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim three kinds of pharmacy mix;
E is promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim three kinds of pharmacy mix time to target weeds fresh weight inhibition be contrast measured value.
Evaluation criterion: work as E
0during ﹣ E > 10%, be expressed as synergistic function; As ﹣ 10%≤E
0during ﹣ E≤10%, show as collaborative summation action; Work as E
0during ﹣ E < ﹣ 10%, show as joint action of antagonism.
Table 1, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim and the composite Toxicity Determination result to barnyard grass (Echinochloacrusgalli) thereof.
Evaluate weed killer herbicide associated form according to Colby method, table 1 data show, and promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim triple combination are remarkable to barnyard grass (Echinochloa crusgalli) synergistic effect, and E0-E value is all greater than 10%.
Table 2, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim and composite to Leersia Sw (Leersiahexandra), Toxicity Determination result.
Evaluate weed killer herbicide associated form according to Colby method, table 2 data show, and promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim triple combination are remarkable to Leersia Sw (Leersia hexandra) synergistic effect, and E0-E value is all greater than 10%.
Table 3, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim and the composite Toxicity Determination result to Monochoria vaginalis (Monochoriavaginalis) thereof
Evaluate weed killer herbicide associated form according to Colby method, table 3 data show, and promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim triple combination are remarkable to Monochoria vaginalis (Monochoria vaginalis) synergistic effect, and E0-E value is all greater than 10%.
Table 4, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim and the composite Toxicity Determination result to arrowhead (Sagittaria trifolia var.sinensis) thereof
Weed killer herbicide associated form is evaluated according to Colby method, table 4 data show, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim triple combination are remarkable to arrowhead (Sagittaria trifolia var.sinensis) synergistic effect, and E0-E value is all greater than 10%.
Table 5, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim and the composite Toxicity Determination result to summer dichotomous fimbristylis herb (Fimbristylis aestivalis (Retz.) Vahl) thereof
Weed killer herbicide associated form is evaluated according to Colby method, table 5 data show, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim triple combination are remarkable to summer dichotomous fimbristylis herb (Fimbristylis aestivalis (Retz.) Vahl) synergistic effect, E
0-E value is all greater than 10%.
Embodiment 2:(38% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim water dispersible granules)
Above-mentioned material is added in cone-type mixer together and mixes; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 600 mesh standard sieves; add in kneader and be kneaded into plasticity material; finally this material is put into Squeezinggranulator extruder grain, after drying, screening, after granulation, namely obtain 38% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim water dispersible granules of corresponding percentage by weight.
Embodiment 3:(22% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim suspending agent)
Pulverized in advance in proportion by above-mentioned formula, then add in sand mill and grind, after high shear mixing, allotment obtains 22% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim suspending agent of corresponding percentage by weight.
Embodiment 4:(18% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim dispersibles oil-suspending agent)
Above-mentioned material (except organobentonite) is joined in reactor mixer together, stir 2 hours, open pan feeding valve at the bottom of still, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material puts into high-shear emulsifying still again together with the organobentonite dissolved in advance, and the 18% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim that namely can be made into the good corresponding percentage by weight of flowing to property after emulsification dispersibles oil-suspending agent.
Embodiment 5: promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim composition prevent and kill off transplanted rice field annual weed field control effectiveness test.
Experimental period: spraying time on May 25th, 2014, June 17 2014 control time
Experiment place: Xi Wuhe village, Qing Hu town, Donghai County, Lianyungang, Jiangsu Province
Application method: medicament is watered 30L cauline leaf spraying 667m
2paddy field
Experimental result: as can be seen from table 6 result of the test, promazine Sulfometuron Methyl of the present invention, cyhalofop-butyl, pyribenzoxim composition 38% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim water dispersible granules, 22% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim suspending agent, 18% promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim dispersible oil-suspending agent water prevention rice field annual weed integrated control effect more than 91.97%, and successful is better than 9.5% promazine Sulfometuron Methyl suspending agent, 15% cyhalofop-butyl missible oil, 5% pyribenzoxim missible oil.
Table 6, promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim composition are to preventing and kill off paddy field annual weed field control effectiveness test result
In sum, instant component is reasonable, and promazine Sulfometuron Methyl cyhalofop-butyl pyribenzoxim triple combination tool has synergistic function to paddy field weed, expands single dose herbicide spectrum, reduces Weed Resistance risk, be applicable to prevent and kill off paddy field annual weed.
Claims (7)
1. contain a Herbicidal combinations for promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim, it is characterized in that: active ingredient is promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim, the part by weight of three is 1 ~ 30:1 ~ 50:1 ~ 30.
2. the Herbicidal combinations containing promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim according to claim 1, it is characterized in that: promazine Sulfometuron Methyl, cyhalofop-butyl, pyribenzoxim gross weight percentage composition is in the composition 5% ~ 80%, all the other are allow in agricultural chemicals to use and receptible auxiliary element.
3. the Herbicidal combinations containing promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim according to claim 1, is characterized in that: the formulation of described Herbicidal combinations can be dispersible the one in oil-suspending agent, suspending agent, water dispersible granules.
4. the Herbicidal combinations containing promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim according to claim 3, it is characterized in that: water dispersible granules composition is promazine Sulfometuron Methyl 12%, cyhalofop-butyl 16%, pyribenzoxim 10%, K-125%, glucose 6%, anhydrous calcium chloride 0.3%, kaolin to 100%.
5. the Herbicidal combinations containing promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim according to claim 3, it is characterized in that: suspending agent composition is promazine Sulfometuron Methyl 5%, cyhalofop-butyl 10%, pyribenzoxim 7%, JFC 3%, block polyether 2%, xanthan gum 1%, ethylene glycol 3%, isooctanol 1%, organosilicon 0.3%, sorb sodium alkoxide 0.3%, deionized water complements to 100%.
6. the Herbicidal combinations containing promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim according to claim 3, it is characterized in that: dispersibling oil-suspending agent composition is promazine Sulfometuron Methyl 3%, cyhalofop-butyl 5%, pyribenzoxim 10%, 500#6%, 602#3%, sodium lignin sulfonate 3%, phosphate 4%, white carbon 2%, organobentonite 1%, dodecyl sodium sulfonate calcium salt 5%, soybean oil to 100%.
7. the Herbicidal combinations containing promazine Sulfometuron Methyl and cyhalofop-butyl and pyribenzoxim according to claim 1 is preventing and kill off the application in paddy field annual weed.
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Application publication date: 20150812 |