CN104823999A - Herbicidal composition containing propyrisulfuron, pretilachlor and penoxsulam - Google Patents

Herbicidal composition containing propyrisulfuron, pretilachlor and penoxsulam Download PDF

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Publication number
CN104823999A
CN104823999A CN201510243098.8A CN201510243098A CN104823999A CN 104823999 A CN104823999 A CN 104823999A CN 201510243098 A CN201510243098 A CN 201510243098A CN 104823999 A CN104823999 A CN 104823999A
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China
Prior art keywords
penoxsuam
sulfometuron methyl
careless amine
promazine sulfometuron
weed
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CN201510243098.8A
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Chinese (zh)
Inventor
陈佛祥
王礼文
朱刚
吴泽伟
张志伟
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Guangdong Zhongxun Agri Science Corp
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Guangdong Zhongxun Agri Science Corp
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Priority to CN201510243098.8A priority Critical patent/CN104823999A/en
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Abstract

The invention relates to a herbicidal composition containing propyrisulfuron, pretilachlor and penoxsulam, which comprises the active ingredients of propyrisulfuron, pretilachlor and penoxsulam. 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

Herbicidal combinations containing promazine Sulfometuron Methyl and the third careless amine and penoxsuam
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of synergistic function Herbicidal combinations being active ingredient with promazine Sulfometuron Methyl, the third careless amine, penoxsuam, 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.
Third careless amine (pretilachlor), chemical name: 2-chloro-2,6'-diethyl-N-(2-third oxygen ethyl) acetanil, selectivity sprouts pretreating reagent, by plant hypocotyl, mesocotyl and coleoptile absorb, and root slightly absorbs, direct interference weeds body internal protein synthesizes, and has remote-effects to photosynthetic and respiration.Be injured the distortion of weeds seedling, primary leaf difficulty is stretched out, and leaf look deepens green, and growth stops, until dead.
Penoxsuam (penoxsulam), chemical name: 2-(2,2-difluoro ethoxy)-N-(5,8-dimethoxy (1,2,4) triazole-(1,5-C) pyrimidine-2-base)-6-trifluoromethyl-benzene sulfanilamide (SN), it is sulfonamides selective herbicide, medicine, via grass cutting blade, sheath portion or root absorption, conducts to meristematic tissue, causes weed growth to stop, yellow, then dead; Good preventive effect is had to grassy weed, nutgrass flatsedge and broadleaved herb.
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, the third careless amine, penoxsuam conducts in-depth research, find promazine Sulfometuron Methyl, the third careless amine, penoxsuam is composite in certain proportion, have synergy to paddy field annual weed, after further study, the present invention is completed.
Promazine Sulfometuron Methyl, the third careless amine and penoxsuam composite without relevant report.
The present inventor is to promazine Sulfometuron Methyl, third careless amine, penoxsuam mixture conducts in-depth research, and finds promazine Sulfometuron Methyl, third careless amine, penoxsuam mixture has synergistic function, especially to moleplant seed (Leptochloa chinensis), barnyard grass (Echinochloa crusgalli), green foxtail (Setaria viridis), bent grass (Agrostis matsumurae), Paspalum distichum (Paspalumpaspaloides), Yunnan ditch millet (Paspalum delavayi), hairy flowered paspalum (Paspalumdilatatum), Leersia Sw (Leersia hexandra), nit grass (Leptochloa panicea), Monochoria vaginalis (Monochoria vaginalis), triquetrousc murdannia herb (Murdannia triquetra), rhizoma alismatis (Alisma plantago-aquatica), arrowhead (Sagittaria trifolia var.sinensis), firefly Lin (Scirpus juncoides), Scirpus tabernaemontani (Scirpus validus), difformed galingale herb (Cyperus difformis), summer dichotomous fimbristylis herb (Fimbristylis aestivalis (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 and the third careless amine and penoxsuam.
The technical scheme realizing the object of the invention is: Herbicidal combinations of the present invention is that the weight ratio of promazine Sulfometuron Methyl and the third careless amine and penoxsuam is example 1 ~ 20:1 ~ 50:1 ~ 20 with promazine Sulfometuron Methyl and the third careless amine and penoxsuam for active ingredient; Promazine Sulfometuron Methyl and the third careless amine and the percentage by weight of penoxsuam 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, wetting powder.
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.
Triple combination of the present invention (the careless amine penoxsuam of promazine Sulfometuron Methyl third) 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 one: the Toxicity Determination test of promazine Sulfometuron Methyl, the third careless amine, penoxsuam 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:
E 0 = A × B × C × . . . N 100 ( n - 1 )
In formula:
A be promazine Sulfometuron Methyl alone with certain dosage time fresh weight inhibition to target weeds;
B be the third careless amine alone with certain dosage time fresh weight inhibition to target weeds;
C be penoxsuam 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, the third careless amine, penoxsuam three kinds of pharmacy mix;
E is promazine Sulfometuron Methyl, the third careless amine, penoxsuam 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, the third careless amine, penoxsuam 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, the third careless amine, penoxsuam 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, the third careless amine, penoxsuam 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, the third careless amine, penoxsuam 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, the third careless amine, penoxsuam and the composite Toxicity Determination result to triquetrousc murdannia herb (Murdanniatriquetra) thereof.
Evaluate weed killer herbicide associated form according to Colby method, table 3 data show, and promazine Sulfometuron Methyl, the third careless amine, penoxsuam triple combination are remarkable to triquetrousc murdannia herb (Murdannia triquetra) synergistic effect, and E0-E value is all greater than 10%.
Table 4, promazine Sulfometuron Methyl, the third careless amine, penoxsuam and the composite Toxicity Determination result to Scirpus tabernaemontani (Scirpusvalidus) thereof.
Evaluate weed killer herbicide associated form according to Colby method, table 4 data show, and promazine Sulfometuron Methyl, the third careless amine, penoxsuam triple combination are remarkable to Scirpus tabernaemontani (Scirpus validus) synergistic effect, and E0-E value is all greater than 10%.
Table 5, promazine Sulfometuron Methyl, the third careless amine, penoxsuam and the composite Toxicity Determination result to difformed galingale herb (Cyperusdifformis) thereof.
Evaluate weed killer herbicide associated form according to Colby method, table 5 data show, and promazine Sulfometuron Methyl, the third careless amine, penoxsuam triple combination are remarkable to difformed galingale herb (Cyperus difformis) synergistic effect, E 0-E value is all greater than 10%.
The careless amine penoxsuam wetting powder of embodiment 2:55% promazine Sulfometuron Methyl third.
Above-mentioned mixing of materials is even, again through air-flow crushing after mechanical crushing, mix, 55% promazine Sulfometuron Methyl third careless amine penoxsuam wetting powder can be obtained.
The careless amine penoxsuam of embodiment 3:24% promazine Sulfometuron Methyl third 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 careless amine penoxsuam of 24% promazine Sulfometuron Methyl third that namely can be made into the good corresponding percentage by weight of flowing to property after emulsification dispersibles oil-suspending agent.
Embodiment 4: promazine Sulfometuron Methyl, the third careless amine, penoxsulam amine composition prevent and kill off transplanted rice field annual weed field control effectiveness test.
Experimental period: spraying time on July 18th, 2014, August 18 2014 control time
Experiment place: Huan Jing village, Tie Yong town, Huizhou Huidong County
Application method: medicament pesticide-clay mixture spreads fertilizer over the fields
Experimental result: as can be seen from table 1 result of the test, promazine Sulfometuron Methyl of the present invention, the third careless amine, the careless amine penoxsuam wetting powder of penoxsulam amine composition 55% promazine Sulfometuron Methyl third, the careless amine penoxsuam of 24% promazine Sulfometuron Methyl third dispersible oil-suspending agent control transplanted rice field annual weed integrated control effect more than 93.49%, and successful is better than 9.5% promazine Sulfometuron Methyl suspending agent, the 50% the third careless amine missible oil, 25 grams per liter penoxsuams dispersible oil-suspending agent.
Table 6, promazine Sulfometuron Methyl, the third careless amine, penoxsulam amine 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 third careless amine penoxsuam 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 (4)

1. contain a Herbicidal combinations for promazine Sulfometuron Methyl and the third careless amine and penoxsuam, it is characterized in that: active ingredient is promazine Sulfometuron Methyl, the third careless amine, penoxsuam, and the part by weight of three is 1 ~ 20:1 ~ 50:1 ~ 20.
2. the Herbicidal combinations containing promazine Sulfometuron Methyl and the third careless amine and penoxsuam according to claim 1, it is characterized in that: promazine Sulfometuron Methyl, the third careless amine, penoxsuam gross weight percentage composition are in the composition 5% ~ 80%, all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
3. the Herbicidal combinations containing promazine Sulfometuron Methyl and the third careless amine and penoxsuam according to claim 1, is characterized in that: the formulation of described Herbicidal combinations can be dispersible the one in oil-suspending agent, wetting powder.
4. the Herbicidal combinations containing promazine Sulfometuron Methyl and the third careless amine and penoxsuam according to claim 1 is preventing and kill off the application in paddy field annual weed.
CN201510243098.8A 2015-05-13 2015-05-13 Herbicidal composition containing propyrisulfuron, pretilachlor and penoxsulam Pending CN104823999A (en)

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Publication number Priority date Publication date Assignee Title
CN105379744A (en) * 2015-11-26 2016-03-09 广东中迅农科股份有限公司 Weeding composition prepared from pyriminobac-methyl, propyrisulfuron and triafamone
CN105532702A (en) * 2015-12-23 2016-05-04 北京燕化永乐生物科技股份有限公司 Weeding composition
WO2016115883A1 (en) * 2015-01-19 2016-07-28 Jiangsu Rotam Chemistry Co., Ltd. A herbicidal composition and method of controlling plant growth
CN108935502A (en) * 2018-08-01 2018-12-07 安徽省银山药业有限公司 A kind of mixed herbicide and its application containing proxazuron-methyl, penoxsuam and bentazone
CN111134131A (en) * 2019-12-26 2020-05-12 浙江泰达作物科技有限公司 Herbicide composition containing ethoxysulfuron

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016115883A1 (en) * 2015-01-19 2016-07-28 Jiangsu Rotam Chemistry Co., Ltd. A herbicidal composition and method of controlling plant growth
CN105379744A (en) * 2015-11-26 2016-03-09 广东中迅农科股份有限公司 Weeding composition prepared from pyriminobac-methyl, propyrisulfuron and triafamone
CN105532702A (en) * 2015-12-23 2016-05-04 北京燕化永乐生物科技股份有限公司 Weeding composition
CN108935502A (en) * 2018-08-01 2018-12-07 安徽省银山药业有限公司 A kind of mixed herbicide and its application containing proxazuron-methyl, penoxsuam and bentazone
CN108935502B (en) * 2018-08-01 2020-11-13 安徽辉隆集团银山药业有限责任公司 Mixed herbicide containing propyrisulfuron, penoxsulam and bentazone and application thereof
CN111134131A (en) * 2019-12-26 2020-05-12 浙江泰达作物科技有限公司 Herbicide composition containing ethoxysulfuron

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