CN104886105A - Weeding composition comprising penoxsulam, halosulfuron-methyl and oxadiargyl - Google Patents
Weeding composition comprising penoxsulam, halosulfuron-methyl and oxadiargyl Download PDFInfo
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- CN104886105A CN104886105A CN201510338220.XA CN201510338220A CN104886105A CN 104886105 A CN104886105 A CN 104886105A CN 201510338220 A CN201510338220 A CN 201510338220A CN 104886105 A CN104886105 A CN 104886105A
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- penoxsuam
- halosulfuronmethyl
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- evil humulone
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Abstract
The invention relates to weeding composition comprising penoxsulam, halosulfuron-methyl and oxadiargyl. The composition comprises effective ingredients as follows: 0.01%-20% in percentage by weight of penoxsulam, 0.01%-30% in percentage by weight of halosulfuron-methyl and 0.01%-50% in percentage by weight of oxadiargyl, and the balance of insecticide adjuvants. The weeding composition is suitable for controlling annual weed in transplanted rice fields, can improve the weeding effect, can enlarge the weed control spectrum, is low-toxic and low-residue, and is a better novel composition insecticide for controlling the annual weed in the transplanted rice fields at present; the application quantity, the application times and the use cost are reduced significantly, and the effect of the composition is better than that of single insecticide obviously.
Description
Technical field
The present invention relates to a kind of farm weeding composition and application thereof, active ingredient is penoxsuam, halosulfuronmethyl, Bing Que Evil humulone, for preventing and kill off transplanted rice field annual weed.
Background technology
Grass when paddy field weed occurs is mutually complicated, and multiple weeds are mixed raw, and chemical weed control method is that paddy field controls one of Main Means of weeds.Single compound kind weed killer herbicide uses and can not solve the multiple section in farmland genus weeds, all can show defect in a certain respect and limitation.Variety classes compound mixture, has and improves actual effect, expansion herbicidal spectrum, time and labour saving, delaying drug resistance generation advantage.
Penoxsuam (penoxsulam) is pyrimidine sulfonyl aminated compounds, via grass cutting blade, sheath portion or root absorption, conduct to meristematic tissue, suppress acetolactate synthestase (ALS), cause weed growth to stop, yellow, then dead.
Halosulfuronmethyl (halosulfuron-methyl) is sulfonyl urea compound, spread rapidly in water, 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.
Bing Que Evil humulone (oxadiargyl), it is heterocycle compound, contacted with medicament by weeds young shoot or seedling, absorb and cause effect, dispenser after seedling, weeds are absorbed by acrial part, medicament is accumulated in the vigorous position of growth after entering plant corpus, Developing restraint, causes weeds to organize perish.
The present inventor conducts in-depth research penoxsuam, halosulfuronmethyl, the third alkynes Evil humulone combination, a large amount of formula indoors screening and field medicine effect test basis on, find that penoxsuam, halosulfuronmethyl, Bing Que Evil humulone show notable synergistic effect at certain proportion range combinations to transplanted rice field barnyard grass, special-shaped nutgrass flatsedge, Monochoria vaginalis etc., effectively can improve the actual control efficiency to weeds, expanding prevention is composed, reduce dosage, alleviate the pollution to environment, delay the generation of herbicide resistance.After further study, the present invention is completed.
Summary of the invention
The object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to the Herbicidal combinations of the farmland weed comprehensive regulation.
Another object of the present invention is used for preventing and kill off transplanted rice field annual weed etc. by this Herbicidal combinations.
Technical scheme: for achieving the above object, the invention provides a kind of farm weeding composition, active ingredient is penoxsuam and halosulfuronmethyl and Bing Que Evil humulone, wherein, penoxsuam percentage by weight is in the composition 0.01% ~ 20%, halosulfuronmethyl percentage by weight is in the composition 0.01% ~ 30%, Bing Que Evil humulone percentage by weight is in the composition 0.1% ~ 50%, and all the other are insecticides adjuvant.
Described Herbicidal combinations can add suitable insecticides adjuvant, according to well known to a person skilled in the art method, is processed into the application forms of the applicable agricultural use such as wetting powder or suspending agent.
The auxiliary agent used in Herbicidal combinations of the present invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., be all various auxiliary agents conventional in Pesticide formulation, concrete composition and consumption are determined by simple test according to recipe requirements.
The production technology of the various application forms of Herbicidal combinations provided by the invention all belongs to existing known technology, does not repeat them here.
Herbicidal combinations provided by the invention, usual employing is watered spraying, pesticide-clay mixture spreads fertilizer over the fields method and uses, and also can adopt other operation techniques agriculturally applied as required.
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.
Compared with prior art, the invention has the advantages that:
1, Herbicidal combinations provided by the invention, obvious synergistic effect is shown in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2, Herbicidal combinations provided by the invention, the combination of two kinds of effective ingredients, expands herbicidal spectrum, and a drug can solve various weed problem, compensate for defect when single dose uses and limitation.
3, Herbicidal combinations provided by the invention, effective ingredient mechanism of action is different, can overcome the shortcoming that long-term single use easily produces resistance, extends the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
4, Herbicidal combinations provided by the invention, drug effect plays rapidly, and the lasting period is long, and use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
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.Therefore, the protection domain of patent of the present invention should be as the criterion with claims
In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Embodiment one: Toxicity Determination is tested.
Reagent agent: penoxsuam, halosulfuronmethyl, Bing Que Evil humulone.
Medicament configuration design: penoxsuam single dose is configured to 4,8,12g.a.i./ha solution for standby; Halosulfuronmethyl single dose is configured to 5,10,15g.a.i./ha solution for standby; Bing Que Evil humulone single dose is configured to 6,12,18g.a.i./ha solution for standby; Penoxsuam, halosulfuronmethyl and Bing Que Evil humulone mixture are configured to 4+5+6,4+5+12,4+5+18,4+10+6,4+10+12,4+10+18,4+15+6,4+15+12,4+15+18,8+5+6,8+5+12,8+5+18,8+10+6,8+10+12,8+10+18,8+15+6,8+15+12,8+15+18,12+5+6,12+5+12,12+5+18,12+10+6,12+10+12,12+10+18,12+15+6,12+15+12,12+15+18g.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, spraying process is carried out when weeds long hair bud, 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, the growing state of routine observation target weeds, claims acrial part fresh weight, evaluate medicament to the toxicity action of target weeds with target fresh weight inhibition after test process 20d.
Investigation method: claim acrial part fresh weight after test process 20d, 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 penoxsuam 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 Bing Que Evil humulone alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; E
0for when penoxsuam, halosulfuronmethyl, Bing Que Evil humulone three kinds of pharmacy mix to target weeds fresh weight inhibition being the theoretical value of the percentage contrasted; E is penoxsuam, halosulfuronmethyl, Bing Que Evil humulone three kinds of pharmacy mix time be the measured value of percentage of contrast to target weeds fresh weight inhibition.
Evaluation criterion: work as E-E
0synergistic effect is expressed as, as-10%≤E-E during >10%
0be expressed as summation action when≤10%, work as E-E
0antagonism is expressed as during <-10%.
As can be seen from the Toxicity Determination result of table 1, table 2 and table 3, penoxsuam, halosulfuronmethyl, Bing Que Evil humulone combined treatment barnyard grass, Monochoria vaginalis and difformed galingale herb E
0-E (%) value is all greater than 10%, illustrates that the combination of penoxsuam, halosulfuronmethyl, Bing Que Evil humulone is to Monochoria vaginalis, barnyard grass and difformed galingale herb synergistic function.
The combination of table 1, penoxsuam, halosulfuronmethyl, Bing Que Evil humulone is to barnyard grass toxicity test result
The combination of table 2, penoxsuam, halosulfuronmethyl, Bing Que Evil humulone is to special-shaped nutgrass flatsedge toxicity test result
The combination of table 3, penoxsuam, halosulfuronmethyl, Bing Que Evil humulone is to Monochoria vaginalis toxicity test result
Embodiment two: preparation process embodiment.
In following each embodiment, active ingredient adopts the former medicine of penoxsuam, the former medicine of halosulfuronmethyl and the former medicine of Bing Que Evil humulone, and each component percentages is folding hundred content.
10% penoxsuam 5% halosulfuronmethyl 20% Bing Que Evil humulone wetting powder: penoxsuam 10%, halosulfuronmethyl 5%, Bing Que Evil humulone 20%, pull open powder 3%, K-12 5%, lignosulfonates 4%, wood calcium 3%, kaolin supplies 100%.Above-mentioned mixing of materials is even, after air-flow crushing after mechanical crushing, mix, 10% penoxsuam 5% halosulfuronmethyl 20% Bing Que Evil humulone wetting powder can be obtained.
5% penoxsuam 5% halosulfuronmethyl 10% Bing Que Evil humulone suspending agent: 500#6%, LS8%, fast-T 4%, bentonite 2%, xanthans 0.5%, organosilicon 2%, deionized water complements to 100%.Above-mentioned material is pulverized in proportion in advance, then adds in sand mill and grind, after high shear mixing, namely obtain 5% penoxsuam 5% halosulfuronmethyl 10% Bing Que Evil humulone suspending agent.
Embodiment three: field control effectiveness test.
On July 6th, 2014, be experimental field positioned at Run Bei village, Ren Shan town, Huizhou Huidong County, the cultivation of this experiment paddy rice moves field weed and mainly contains Monochoria vaginalis, barnyard grass and difformed galingale herb.
After rice transplanting 6 days, medicament was mixed 10 kg urea and is spread fertilizer over the fields, and 5 chemicals treatment are established in test altogether, and often 3 repetitions are established in process.Treatment agent 1 is 10% penoxsuam 5% halosulfuronmethyl 20% Bing Que Evil humulone wetting powder, treatment agent 2 is 5% penoxsuam 5% halosulfuronmethyl 10% Bing Que Evil humulone suspending agent, treatment agent 3 is 22% penoxsuam suspending agent, treatment agent 4 is 75% halosulfuronmethyl water dispersible granules, treatment agent 5 is 80% Bing Que Evil humulone wetting powder.
Within after medicine 20 days, add up each process number of weeds amount and calculate preventive effect.
As can be seen from the field test results of table 4,10% penoxsuam 5% halosulfuronmethyl 20% Bing Que Evil humulone wetting powder 91.4 ~ 95.0%, 5% penoxsuam 5% halosulfuronmethyl 10% Bing Que Evil humulone suspending agent preventive effect 92.5 ~ 95.3%, drug effect is obviously better than 22% penoxsuam suspending agent, 75% halosulfuronmethyl water dispersible granules, 80% Bing Que Evil humulone wetting powder, does not find to produce poisoning to paddy rice in pilot survey process simultaneously.
Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of transplanted rice field annual weed
Claims (3)
1. a Herbicidal combinations for penoxsuam and halosulfuronmethyl and the third alkynes Evil humulone, is characterized in that: active ingredient is penoxsuam, halosulfuronmethyl, the third alkynes Evil humulone; Penoxsuam percentage by weight is in the composition 0.01% ~ 20%, and halosulfuronmethyl percentage by weight is in the composition 0.01% ~ 30%, Bing Que Evil humulone percentage by weight is in the composition 0.1% ~ 50%, and all the other are insecticides adjuvant.
2. a kind of farm weeding composition according to claim 1, is characterized in that: its formulation is wetting powder or suspending agent.
3. a kind of farm weeding composition according to claim 1 is preventing and kill off the application in transplanted rice field annual weed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510338220.XA CN104886105A (en) | 2015-06-17 | 2015-06-17 | Weeding composition comprising penoxsulam, halosulfuron-methyl and oxadiargyl |
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| CN201510338220.XA CN104886105A (en) | 2015-06-17 | 2015-06-17 | Weeding composition comprising penoxsulam, halosulfuron-methyl and oxadiargyl |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087621A (en) * | 2017-05-19 | 2017-08-25 | 北京科发伟业农药技术中心 | A kind of Herbicidal combinations containing oxadiargyl and fenoxasulfone |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN101647450A (en) * | 2009-08-28 | 2010-02-17 | 北京燕化永乐农药有限公司 | Herbicide compound containing penoxsulam |
| CN102792957A (en) * | 2011-05-23 | 2012-11-28 | 山东滨农科技有限公司 | Herbicide composition including penoxsulam and halosulfuron-methyl |
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- 2015-06-17 CN CN201510338220.XA patent/CN104886105A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN101647450A (en) * | 2009-08-28 | 2010-02-17 | 北京燕化永乐农药有限公司 | Herbicide compound containing penoxsulam |
| CN102792957A (en) * | 2011-05-23 | 2012-11-28 | 山东滨农科技有限公司 | Herbicide composition including penoxsulam and halosulfuron-methyl |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087621A (en) * | 2017-05-19 | 2017-08-25 | 北京科发伟业农药技术中心 | A kind of Herbicidal combinations containing oxadiargyl and fenoxasulfone |
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Application publication date: 20150909 |