CN104886103A - Weeding composition containing penoxsulam, halosulfuron-methyl and pyriminobac-methyl - Google Patents
Weeding composition containing penoxsulam, halosulfuron-methyl and pyriminobac-methyl Download PDFInfo
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- CN104886103A CN104886103A CN201510338217.8A CN201510338217A CN104886103A CN 104886103 A CN104886103 A CN 104886103A CN 201510338217 A CN201510338217 A CN 201510338217A CN 104886103 A CN104886103 A CN 104886103A
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Abstract
The invention relates to weeding composition containing penoxsulam, halosulfuron-methyl and pyriminobac-methyl. The composition comprises effective ingredients in percentage by weight as follows: 0.01%-30% of penoxsulam, 0.01%-30% of halosulfuron-methyl and 0.1%-40% of pyriminobac-methyl, and the balance of pesticide adjuvants. The weeding composition is suitable for controlling annual weed in transplanted rice fields, can improve the weeding effect and enlarge the weed control spectrum, is low-toxic and low-residue, and is a better novel composition pesticide for controlling the annual weed in the transplanted rice fields at present; the pesticide application quantity, the pesticide application times and the use cost are reduced significantly, and the effect of the composition is better than that of single pesticide obviously.
Description
Technical field
The present invention relates to a kind of farm weeding composition and application thereof, active ingredient is penoxsuam, halosulfuronmethyl, KIH 6127, 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, spreads rapidly in water, be transmitted in plant body after the root absorption of weeds, the synthesis of hindered aminoacid, promptly suppresses the growth of weeds leaves and stems and the stretching, extension of root, then completely withered.
KIH 6127 (pyriminobac-methyl) is pyrimidine salicylic acid compounds, is absorbed suppress vinegar milk acid to be synthesized and hindered aminoacid biosynthesis side chain by root leaf.
The present inventor conducts in-depth research penoxsuam, halosulfuronmethyl, KIH 6127 combination, a large amount of formula indoors screening and field medicine effect test basis on, find that penoxsuam, halosulfuronmethyl, KIH 6127 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 KIH 6127, wherein, penoxsuam percentage by weight is in the composition 0.01% ~ 30%, halosulfuronmethyl percentage by weight is in the composition 0.01% ~ 30%, and KIH 6127 percentage by weight is in the composition 0.1% ~ 40%, 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 granule.
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 understand essence of the present invention better; below in conjunction with embodiment, content of the present invention is described further; but can not limitation of the present invention be considered as; the following stated is only for explaining the present invention; for not departing from amendment that the present invention's spirit and principle make, replacement or improvement, all belong to the scope of protection of present invention.
Embodiment one: Toxicity Determination is tested.
Reagent agent: penoxsuam, halosulfuronmethyl, KIH 6127.
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; KIH 6127 single dose is configured to 6,12,18g.a.i./ha solution for standby; Penoxsuam, halosulfuronmethyl and KIH 6127 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 KIH 6127 alone with certain dosage time be the percentage of contrast to the fresh weight inhibition of target weeds; E
0for when penoxsuam, halosulfuronmethyl, KIH 6127 three kinds of pharmacy mix to target weeds fresh weight inhibition being the theoretical value of the percentage contrasted; E is penoxsuam, halosulfuronmethyl, KIH 6127 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, KIH 6127 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, KIH 6127 is to Monochoria vaginalis, barnyard grass and difformed galingale herb synergistic function.
The combination of table 1, penoxsuam, halosulfuronmethyl, KIH 6127 is to barnyard grass toxicity test result
The combination of table 2, penoxsuam, halosulfuronmethyl, KIH 6127 is to special-shaped nutgrass flatsedge toxicity test result
The combination of table 3, penoxsuam, halosulfuronmethyl, KIH 6127 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 KIH 6127, and each component percentages is folding hundred content.
5% penoxsuam 3% halosulfuronmethyl 12% KIH 6127 wetting powder: penoxsuam 5%, halosulfuronmethyl 3%, KIH 6127 12%, K-123%, sodium butylnaphthalenesulfonate 5%, NNO 3%, sodium methylene bis-naphthalene sulfonate 5%, white carbon 4%, kaolin supplies 100%.Above-mentioned mixing of materials is even, after air-flow crushing after mechanical crushing, mix, 5% penoxsuam 3% halosulfuronmethyl 12% KIH 6127 wetting powder can be obtained.
2.5% penoxsuam 1% halosulfuronmethyl 2.5% KIH 6127 granule: penoxsuam 2.5%, halosulfuronmethyl 1%, KIH 6127 2.5%, talcum powder 3%, sticky powder 1%, 1,2-PD 0.5%, 6%PVA solution 1.5%, kaolin supplies 100%.By above-mentioned thing class co-grinding, add remaining PVA solution and carry out coating, dry, through packing after the assay was approved, getting and can obtain 2.5% penoxsuam 1% halosulfuronmethyl 2.5% KIH 6127 granule.
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 5% penoxsuam 3% halosulfuronmethyl 12% KIH 6127 wetting powder, treatment agent 2 is 2.5% penoxsuam 1% halosulfuronmethyl 2.5% KIH 6127 granule, treatment agent 3 is 22% penoxsuam suspending agent, treatment agent 4 is 75% halosulfuronmethyl water dispersible granules, treatment agent 5 is 10% KIH 6127 wettable 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 4,5% penoxsuam 3% halosulfuronmethyl 12% KIH 6127 wetting powder preventive effect 87.6 ~ 93.1%, 2.5% penoxsuam 1% halosulfuronmethyl 2.5% KIH 6127 granule preventive effect 90.5 ~ 93.6%, drug effect is obviously better than 22% penoxsuam suspending agent, 75% halosulfuronmethyl water dispersible granules, 10% KIH 6127 wettable 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. contain a Herbicidal combinations for penoxsuam and halosulfuronmethyl and KIH 6127, it is characterized in that: active ingredient is penoxsuam, halosulfuronmethyl, KIH 6127; Penoxsuam percentage by weight is in the composition 0.01% ~ 30%, and halosulfuronmethyl percentage by weight is in the composition 0.01% ~ 30%, and KIH 6127 percentage by weight is in the composition 0.1% ~ 40%, and all the other are insecticides adjuvant.
2. the Herbicidal combinations containing penoxsuam and halosulfuronmethyl and KIH 6127 according to claim 1, is characterized in that: its formulation is wetting powder or granule.
3. the Herbicidal combinations containing penoxsuam and halosulfuronmethyl and KIH 6127 according to claim 1 is preventing and kill off the application in transplanted rice field annual weed.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409995A (en) * | 2015-11-26 | 2016-03-23 | 广东中迅农科股份有限公司 | Weeding composition containing pyriminobac-methyl, metazosulfuron and triafamone |
| CN107517968A (en) * | 2017-08-04 | 2017-12-29 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing pretilachlor, penoxsuam and halosulfuronmethyl |
| CN108271796A (en) * | 2018-03-27 | 2018-07-13 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam and KIH 6127 |
| CN109105380A (en) * | 2018-10-15 | 2019-01-01 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam and KIH 6127 |
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| 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 |
| CN103392713A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Weeding composition containing penoxsulam and pyriminobac-methyl |
| CN104322529A (en) * | 2014-10-08 | 2015-02-04 | 江苏东宝农药化工有限公司 | Weed killer composition having broad spectrum weed killing effect |
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2015
- 2015-06-17 CN CN201510338217.8A patent/CN104886103A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103392713A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Weeding composition containing penoxsulam and pyriminobac-methyl |
| CN104322529A (en) * | 2014-10-08 | 2015-02-04 | 江苏东宝农药化工有限公司 | Weed killer composition having broad spectrum weed killing effect |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409995A (en) * | 2015-11-26 | 2016-03-23 | 广东中迅农科股份有限公司 | Weeding composition containing pyriminobac-methyl, metazosulfuron and triafamone |
| CN107517968A (en) * | 2017-08-04 | 2017-12-29 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing pretilachlor, penoxsuam and halosulfuronmethyl |
| CN108271796A (en) * | 2018-03-27 | 2018-07-13 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam and KIH 6127 |
| CN109105380A (en) * | 2018-10-15 | 2019-01-01 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam and KIH 6127 |
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