CN104396985A - Sorghum field herbicide - Google Patents
Sorghum field herbicide Download PDFInfo
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- CN104396985A CN104396985A CN201410541406.0A CN201410541406A CN104396985A CN 104396985 A CN104396985 A CN 104396985A CN 201410541406 A CN201410541406 A CN 201410541406A CN 104396985 A CN104396985 A CN 104396985A
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- herbicide
- effective component
- sorghum field
- chlorine
- halosulfuronmethyl
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Abstract
The invention relates to a sorghum field herbicide which is composed of an effective component A, an effective component B, an effective component C and an appropriate herbicide additive. The effective component A is quinclorac, the effective component B is halosulfuron-methyl and the effective component C is 2-methyl-4-chloro-phenoxyacetic acid or an ester compound thereof. The sorghum field herbicide includes 1%-20% by weight of the effective component A, 1%-30% by weight of the effective component B, 5%-60% of the effective component C and the balance of the herbicide additive. The sorghum field herbicide is reasonable in components, has a synergistic effect, can overcome a defect of an incomplete herbicide spectrum, a low activity on some weeds and a poor fast-acting property due to single usage of an herbicide, and can reduce a resistance risk due to single usage or binary usage. The sorghum field herbicide, compared with a single herbicide, is significantly enhanced in preventing and treating effects, is reduced in dosage, is reduced in adverse effect on ecological environment, has an important significance in comprehensive treatment of resistant of the weeds and has huge economical benefit and social benefit.
Description
Technical field
The present invention relates to pesticide herbicide and application thereof, specifically a kind of weed killer herbicide for preventing and kill off sorghum field annual weed.
Background technology
Dichloro quinolinic acid has the feature of hormone herbicide, similar to the effect symptom of auxin substance.The detailed mode of action in plant corpus is still among research.There is slight chlorosis phenomenon in barnyard grass of being injured tender leaf, blade occurs longitudinal stripe and bends, and after sandwich barnyard grass is injured, leaf chlorosis becomes puce to withered.
Halosulfuronmethyl is a kind of sulfonylurea selective herbicide.Be transmitted in plant body after the root absorption of weeds, the synthesis of hindered aminoacid.Promptly suppress the growth of weeds leaves and stems and the stretching, extension of root, then completely withered.
2 first 4 chlorine are phenoxy acetic acid class selectivity Uptake and translocation hormone herbicides, and destroy the conducting tissue of dicotyledon, making to grow is interfered, cauline leaf distortion, and basal part of stem expands thicker or ftractures.The Seedling Stage of 2 first 4 chlorine to gramineous plants is very sensitive, and 3-4 leaf after date resistance strengthens gradually, and late tillering state is the strongest, and panicle spike primordium differentiation stage susceptibility rises.
By the screening of different pesticide species compounded formula, filter out rational formula, effectively can improve the actual control efficiency to disease pest and weed, expanding prevention is composed, reduce dosage, reduce costs, alleviate the pollution to environment, delaying the drug-fast generation of disease pest and weed, is the important means of the agriculturally disease pest and weed comprehensive regulation.
The present inventor uses the ternary built of dichloro quinolinic acid, halosulfuronmethyl and 2 first 4 chlorine or its ester type compound and conducts in-depth research, a large amount of formula indoors screening and field medicine effect test basis on, find that three shows obvious synergistic function to sorghum field annual weed within the scope of certain compound proportion, after further study, the present invention is completed.
Not yet find the relevant report that dichloro quinolinic acid, halosulfuronmethyl and 2 first 4 chlorine or its ester type compound triple combination are prevented and treated for sorghum field annual weed at present.
summary of the invention
The object of the present invention is to provide a kind of weed killer herbicide that there is synergistic function, expand the sorghum field that herbicide is composed, use cost is low, control efficiency is good.
Technical scheme of the present invention is: a kind of sorghum field weed killer herbicide, be made up of effective constituents A, B, C and suitable insecticides adjuvant, wherein effective constituents A is dichloro quinolinic acid, B is halosulfuronmethyl, C is 2 first 4 chlorine or its ester type compound, effective constituents A, B, C percentage by weight is in the composition respectively 1% ~ 20%, 1% ~ 30%, 5% ~ 60%, and all the other are insecticides adjuvant.
Described weed killer herbicide those skilled in the art according to known method, can select suitable pesticidal preparations auxiliary element, and excipient suspending agent, wetting powder, water dispersible granules etc. are applicable to the formulation agriculturally used.
The processing technology of the various preparation of weed killer herbicide of the present invention is prior art, can change to some extent according to different situations.
The insecticides adjuvant used in weed killer herbicide of the present invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, disintegrant, binding agent, thickener, pH adjusting agent, defoamer, antifreezing agent, filler, carrier etc., and to be of value to active ingredient stable and play the known substance of drug effect in the formulation, be all various compositions that are conventional in pesticidal preparations or permission use, concrete composition and consumption are determined by test according to recipe requirements.
The frequency of administration of weed killer herbicide of the present invention and amount of application change with crops, weeds, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Compared with prior art, the invention has the advantages that:
1, dichloro quinolinic acid, halosulfuronmethyl and 2 first 4 chlorine different monooctyl ester ternary built have obvious synergistic function, use the control efficiency significantly improved weeds than single dose, expand herbicide spectrum.
2, dichloro quinolinic acid, halosulfuronmethyl and the different monooctyl ester ternary built of 2 first 4 chlorine, the mechanism of action is different, can delay the generation of herbicide resistance.
3, dichloro quinolinic acid, halosulfuronmethyl and the different monooctyl ester ternary built of 2 first 4 chlorine, decrease Pesticide use amount, reduce use cost, alleviate the pollution to environment.
Embodiment
In order to understand essence of the present invention better, below in conjunction with embodiment to content of the present invention do into
One step illustrates, but can not be considered as limitation of the present invention, and the following stated, only for explaining the present invention, for not departing from amendment that the present invention's spirit and principle make, replacement or improvement, all belongs to the scope of protection of present invention.
In following each embodiment, active ingredient adopts the former medicine of 96% dichloro quinolinic acid, the former medicine of 95% halosulfuronmethyl and the former medicine of the 95%2 different monooctyl ester of first 4 chlorine, and each component percentages is weight percentage.
The different monooctyl ester suspending agent of example of formulations 1:30% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine
Dichloro quinolinic acid 10%, halosulfuronmethyl 1.5%, the different monooctyl ester 18.5% of 2 first 4 chlorine, fatty alcohol-polyoxyethylene ether 10%, neopelex 7%, glycerine 2%, organosilicon 2%, silicone oil 0.3%, deionized water supplies 100%.Above-mentioned active ingredient, dispersant, wetting agent, thickener, antifreezing agent, defoamer and deionized water are mixed, sand milling in high speed shear dispersion, sand mill, the high dispersive formed in water-medium, stable suspension system, can obtain the different monooctyl ester suspending agent of 30% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine.
The different monooctyl ester water dispersible granules of example of formulations 2:68% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine
Dichloro quinolinic acid 26%, halosulfuronmethyl 2%, the different monooctyl ester 40% of 2 first 4 chlorine, lauryl sodium sulfate 3%, aerosol-OT salt 4%, sodium lignin sulfonate 2%, ammonium sulfate 3%, urea 3%, polyethylene glycol 2%, kaolin supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant, binding agent and solid carrier are mixed, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out granulation, drying, screening, the different monooctyl ester water dispersible granules of 68% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine can be obtained.
The different monooctyl ester wetting powder of example of formulations 3:45% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine
Dichloro quinolinic acid 20%, the different monooctyl ester 23% of halosulfuronmethyl 2%, 2 first 4 chlorine, alkylphenol polyoxyethylene phosphate 7%, to methoxyl group fatty acyl anilinesulfonic acid 5%, dispersant NNO4%, wooden calcium 4%, kaolin supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant and solid carrier are mixed, again through air-flow crushing after mechanical crushing, mixes, the different monooctyl ester wetting powder of 45% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine can be obtained.
Assays Example 1: Toxicity Determination is tested
Reagent agent: the former medicine of 96% dichloro quinolinic acid, the former medicine of 95% halosulfuronmethyl and the former medicine of the 95%2 different monooctyl ester of first 4 chlorine.
For examination target: grayish green multitude (Chenopodium glaucum), barnyard grass (Echinochloa crusgalli), the rhizome of nutgrass flatsedge (Cyperus rotundus)
Medicament configuration design: dichloro quinolinic acid single dose is configured to 4,8,12g.a.i./ha solution for standby, halosulfuronmethyl single dose is configured to 0.3,0.6,0.9g.a.i./ha solution for standby, the different monooctyl ester single dose of 2 first 4 chlorine is configured to 8,16,24g a.i./ha solution for standby, dichloro quinolinic acid, halosulfuronmethyl and the different monooctyl ester mixture of 2 first 4 chlorine are configured to 4+0.3+8, 4+0.3+16, 4+0.3+24, 4+0.6+8, 4+0.6+16, 4+0.6+24, 4+0.9+8, 4+0.9+16, 4+0.9+24, 8+0.3+8, 8+0.3+16, 8+0.3+24, 8+0.6+8, 8+0.6+16, 8+0.6+24, 8+0.9+8, 8+0.9+16, 8+0.9+24, 12+0.3+8, 12+0.3+16, 12+0.3+24, 12+0.6+8, 12+0.6+16, 12+0.6+24, 12+0.9+8, 12+0.9+16, 12+0.9+24g a.i./ha solution for standby.
Test method: at the in-built quantitative soil of the polypots of high 6cm, diameter 9cm, will for 15 ~ 20 sowings of examination target weed seed in polypots, be placed in greenhouse after the fine earth that lid 0.5 ~ 1cm is thick and cultivate, treat that weeds grow to the 3-4 leaf phase and carry out spraying process, every alms bowl spraying liquid 1mL, often process repetition 4 times, and set the process not containing medicament as contrasting.After process, examination material is placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation, and claim acrial part fresh weight after 20d, evaluates medicament to the toxicity action of target weeds with target fresh weight inhibition.
Investigation method: estimate target damage symptoms and growth inhibition situation after test process 20d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).
Synergy evaluation method: evaluate weed killer herbicide mode of application (NY/T1155.7-2006) according to Colby method, its formula is: E
0=X × Y × Z/100
2, in formula, X be dichloro quinolinic acid alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; Y be halosulfuronmethyl alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; Z be the different monooctyl ester of 2 first 4 chlorine alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; E
0be the theoretical value of the percentage of contrast to target weeds fresh weight inhibition during monooctyl ester three kinds of pharmacy mix different from dichloro quinolinic acid, halosulfuronmethyl and 2 first 4 chlorine; E is dichloro quinolinic acid, halosulfuronmethyl and 2 first 4 chlorine different monooctyl ester three kinds of pharmacy mix time be the measured value of the percentage of contrast to target weeds fresh weight inhibition.
Evaluation criterion: work as E
0synergistic effect is expressed as, as-10%≤E during-E>10%
0be expressed as summation action during-E≤10%, work as E
0antagonism is expressed as during-E<-10%.
As can be seen from the Toxicity Determination result of table 1, table 2 and table 3, dichloro quinolinic acid, halosulfuronmethyl and 2 first 4 chlorine different monooctyl ester mixture respectively process the E-E to grayish green multitude, barnyard grass and nutgrass flatsedge
0(%) value is all greater than 10%, illustrates that three is composite and all has synergistic function to grayish green multitude, barnyard grass and the rhizome of nutgrass flatsedge.As can be seen here, dichloro quinolinic acid, halosulfuronmethyl and the different monooctyl ester Ternary of 2 first 4 chlorine have reasonability and feasibility.
Table 1, each chemicals treatment are to the Toxicity Determination result of grayish green multitude
Table 2, each chemicals treatment are to the Toxicity Determination result of barnyard grass
Table 3, each chemicals treatment are to the Toxicity Determination result of the rhizome of nutgrass flatsedge
Assays Example 2: field medicine effect test
Test is carried out in Long Xing village, cheerful town, Jiangan County, Yibin County, Sichuan Province.8 process are established in test altogether, often 3 repetitions are established in process, process 1 is that the different monooctyl ester of 68% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine dispersibles oil-suspending agent (26:2:40), process 2 is 25% dichloro quinolinic acid wetting powder, process 3 is 75% halosulfuronmethyl water dispersible granules, process 4 is the different monooctyl ester soluble powder of 50%2 first 4 chlorine, process 5 is contrast (not dispenser not weeding), within after medicine 30 days, adds up each process number of weeds amount and calculates preventive effect.
Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of sorghum field weeds
As can be seen from the field test results of table 4, after medicine, 30 days different monooctyl esters of 68% dichloro quinolinic acid halosulfuronmethyl 2 first 4 chlorine dispersible oil-suspending agent (26:2:40) usage amount when being 300-500g.a.i./ha to sorghum field Weed-control effect 90.99%, 93.34%, 94.83%, obviously be better than 25% dichloro quinolinic acid wetting powder, 75% halosulfuronmethyl water dispersible granules, the different monooctyl ester soluble powder of 50%2 first 4 chlorine, in pilot survey process, do not send out it produces poisoning to Chinese sorghum simultaneously.As can be seen here, the present invention is worth applying in agricultural production.
Claims (3)
1. a sorghum field weed killer herbicide, it is characterized in that: be made up of effective constituents A, B, C and suitable insecticides adjuvant, wherein effective constituents A is dichloro quinolinic acid, B is halosulfuronmethyl, C is 2 first 4 chlorine or its ester type compound, effective constituents A, B, C percentage by weight is in the composition respectively 1% ~ 20%, 1% ~ 30%, 5% ~ 60%, and all the other are insecticides adjuvant.
2. a kind of sorghum field weed killer herbicide according to claim 1, is characterized in that: the formulation of described weed killer herbicide can be the one in suspending agent, wetting powder, water dispersible granules.
3. a kind of sorghum field weed killer herbicide according to claim 1 and 2, is characterized in that: be applicable to prevent and kill off sorghum field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410541406.0A CN104396985A (en) | 2014-10-14 | 2014-10-14 | Sorghum field herbicide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410541406.0A CN104396985A (en) | 2014-10-14 | 2014-10-14 | Sorghum field herbicide |
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| CN104396985A true CN104396985A (en) | 2015-03-11 |
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| CN201410541406.0A Pending CN104396985A (en) | 2014-10-14 | 2014-10-14 | Sorghum field herbicide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109287647A (en) * | 2018-10-15 | 2019-02-01 | 安徽圣丰生化有限公司 | A kind of herbicide and preparation method thereof containing halosulfuronmethyl |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389116A (en) * | 2002-06-19 | 2003-01-08 | 钱永康 | Rice field herbicide for early and middle stage application |
| CN101507439A (en) * | 2009-03-30 | 2009-08-19 | 北京颖泰嘉和科技股份有限公司 | Herbicide combination and use thereof |
| WO2010146031A2 (en) * | 2009-06-16 | 2010-12-23 | Basf Se | Fungicidal mixtures |
-
2014
- 2014-10-14 CN CN201410541406.0A patent/CN104396985A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389116A (en) * | 2002-06-19 | 2003-01-08 | 钱永康 | Rice field herbicide for early and middle stage application |
| CN101507439A (en) * | 2009-03-30 | 2009-08-19 | 北京颖泰嘉和科技股份有限公司 | Herbicide combination and use thereof |
| WO2010146031A2 (en) * | 2009-06-16 | 2010-12-23 | Basf Se | Fungicidal mixtures |
Non-Patent Citations (1)
| Title |
|---|
| S.R.COLBY: "Calculating Synergistic and Antagonistic Responses of Herbicide Combinations", 《WEEDS》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109287647A (en) * | 2018-10-15 | 2019-02-01 | 安徽圣丰生化有限公司 | A kind of herbicide and preparation method thereof containing halosulfuronmethyl |
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Application publication date: 20150311 |
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