CN103070190B - Combination used for preventing and removing weed in paddy field - Google Patents
Combination used for preventing and removing weed in paddy field Download PDFInfo
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- CN103070190B CN103070190B CN201210479445.3A CN201210479445A CN103070190B CN 103070190 B CN103070190 B CN 103070190B CN 201210479445 A CN201210479445 A CN 201210479445A CN 103070190 B CN103070190 B CN 103070190B
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- oxyfluorfen
- anilofos
- combination
- preventing
- evil humulone
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Abstract
The invention relates to a combination of anilofos, oxadiazon and oxyfluorfen, which is characterized in that the combination comprises three effective components of anilofos, oxadiazon and oxyfluorfen, wherein the combination comprises 1-30% of anilofos, 1-20% of oxadiazon and 1-20% of oxyfluorfen. The weeding combination can be processed to a wettable powder, a missible oil, a micron emulsion and a suspending agent. The combination is used for preventing and removing weed in paddy field, and is safe to paddy rice, and the weed control spectrum is wide, the harm of weeds during the whole paddy rice growth period can be controlled by using the combination once.
Description
Technical field
The present invention relates to a kind of novel combination herbicides for use in paddy, belong to field of agrochemicals.
Background technology
The harm of weeds causes serious Rice Yield Loss Caused.In rice weed is prevented and kill off, use in a large number butachlor to add bensulfuron-methyl mixture at present.Due to long-term a large amount of use, cause herbicide resistance to produce, preventive effect declines.Anilofos is prevented and kill off grassy weed for rice field, but poor to the preventive effect of broad leaved weed; Evil oxadiazon and Oxyfluorfen are all effective to grassy weed and broad leaved weed, but the alone poor stability to paddy rice easily produces poisoning.In experimental basis for many years, we have invented anilofos, Evil humulone and Oxyfluorfen Herbicidal combination, once use and can prevent and kill off rice field main weeds.
Summary of the invention
The present invention relates to a kind of combination for preventing and controlling weed in rice field, it is characterized in that containing anilofos (anilofos), Evil humulone (oxadiazon) and three kinds of active ingredients of Oxyfluorfen (oxyfluorfen), and be aided with the formulation that suitable solvent, surfactant, stabilizing agent are made into, wherein anilofos is containing 1%-30% Evil humulone containing 1%-20%, and Oxyfluorfen is containing 1%-20%.The present invention has found that anilofos, Evil humulone and Oxyfluorfen Herbicidal combination have synergistic effect to weeds, and effective to preventing and killing weeds in rice field, a drug can be prevented and kill off the main weeds in rice field, and to rice safety, there is no poisoning.
The object of the invention is to overcome anilofos, Evil humulone and the alone deficiency of Oxyfluorfen and defect, the compound herbicide of a kind of rice field one-time weeding is provided, can prevent and kill off all kinds of grassy weeds in rice field, broad leaved weed, thereby save human and material resources, reduce because of a large amount of pollution of chemical pesticide to environment and the harm of human body, objects that reach volume increase, increase income of using.
In the time manufacturing with anilofos, Evil humulone of the present invention and Oxyfluorfen Herbicidal combination, can use the various carriers such as the general solid phase of agricultural chemicals known in this technical field, liquid phase and emulsification, dispersant to be processed into wetting powder, missible oil, microemulsion, suspending agent etc.
The advantage that combination of the present invention has is that all kinds of weeds of paddy field are had to good preventive effect, and a dispenser can be prevented and kill off the main weeds in rice field; To rice safety, there is no poisoning; Reduce weed killer herbicide usage amount, reduce the pollution to environment.In order to understand better the present invention, below in conjunction with embodiments of the invention, furthermore bright essentiality content of the present invention, but content of the present invention is not limited to this.
Embodiment
Provide following examples in conjunction with particular content of the present invention:
Embodiment 1 synergistic effect
Press the test of Colby method design indoor bioassay.Anilofos establish 60,80 and 100ga.i./hectare Evil humulone establish 45 and 30ga.i./hectare, Oxyfluorfen is established 60ga.i./hectare, mixed 60+45+60,60+30+60,80+45+60,80+30+60,100+45+60, six ratios of 100+30+60ga.i./hectare of establishing of anilofos+Evil humulone+Oxyfluorfens.Separately establish a nonuser contrast.After planting second day spray medicine.Every processing repeats 4 numbers.After dispenser 28 days, overground part is cut, weigh immediately, calculate inhibiting rate.
Result of the test demonstration, alone 60, the 80 and 100 grams of a.i./hectares of anilofos are respectively 24.7%, 37.9% and 54.8% to barnyard grass growth inhibition ratio, and the inhibiting rate of carp intestines is respectively to 28% and 35%; The alone 30 and 45 grams of a.i./hectares of Evil humulone are respectively 33.5% and 54.8% to barnyard grass growth inhibition ratio, and the inhibiting rate of carp intestines is respectively to 27.4% and 40.6%; The alone 60 grams of a.i./hectares of Oxyfluorfen are respectively 51.4% to barnyard grass growth inhibition ratio, and the inhibiting rate of carp intestines is respectively to 56.8%.Anilofos+Evil humulone+Oxyfluorfens are used with and established 60+45+60,60+30+60,80+45+60,80+30+60, six ratios of 100+45+60,100+30+60 gram a.i./hectare are mixed is respectively 91.3%, 87.7%, 93.5%, 88.4%, 96.6% and 94.3% to barnyard grass growth inhibition ratio, all high than the theoretical value calculating by Colby method.Anilofos+Evil humulone+Oxyfluorfen, under above-mentioned mixed ratio, is respectively 83.7%, 77.2%, 85.6%, 85.1%, 90.2 and 87.8% to carp intestines growth inhibition ratio, also high than theory of correspondences inhibiting rate.This result shows that anilofos+oxadiazon+Oxyfluorfen is mixed has obvious synergistic effect to weeds.
Embodiment 2: to rice safety evaluation
Evaluate the mixed safety to paddy rice of anilofos+Evil humulone+Oxyfluorfens in greenhouse.Supply examination barnyard grass and crop in hot-house culture.Fill 4/5 loam by 9cm × 9cm plastic basin, barnyard grass and paddy rice are sowed respectively in different plastic basin.The every basin of barnyard grass seed is broadcast 30, after planting earthing 0.5cm; The every basin of rice paddy seed that vernalization shows money or valuables one carries unintentionally is broadcast 15, broadcasts rear earthing 0.5cm.Every other day water once, keep ground moistening, in order to emerging and normal growth of the barnyard grass for examination and paddy rice.Paddy rice is in 2 leaf phase final singlings, and then every basin 10 young plants simulate the water layer management of field-transplanting paddy rice, keep 1-2cm water layer.Reagent agent is 37% Sha Bai Lin Evil humulone Oxyfluorfen micro emulsion.Treatment dosage sees the following form:
Experimental scheme is that completely random is arranged, and repeats for 4 times.Use mixing pesticide-clay mixture for the medicament of examination.Barnyard grass is spread fertilizer over the fields pesticide-clay mixture at soil table after sowing earthing, and paddy rice was spread fertilizer over the fields pesticide-clay mixture in water layer in 4 leaf phases.After dispenser, 15 days " Invest, Then Investigate " overground part barnyard grasses and paddy rice fresh weight.Process in contrast with not dispenser, calculate the fresh weight inhibiting rate of medication processing.To barnyard grass data, convert treatment dosage to logarithm value, fresh weight inhibiting rate converts probability value to, calculates toxicity regression curve and ED
90value.To paddy rice data, by relatively difference between mean of multiple averaging number.
At duration of test, low dosage is processed and is not observed the symptom that paddy rice is injured, two high dose processing, and Rice Production is subject to certain inhibition.37% Sha Bai Lin Evil humulone Oxyfluorfen micro emulsion 20,40,80,160 and 320ga.i./mu, in the pesticide-clay mixture method processing of 4 leaf phase of paddy rice, to the virulence regression equation formula of paddy rice fresh weight inhibiting rate are:
y＝1.6515x-0.1058
Calculate 37% ED of Sha Bai Lin Evil humulone Oxyfluorfen micro emulsion to paddy rice according to this virulence regression equation
10value is 207.3ga.i./mu.
The virulence regression equation of the probability value (y) of 37% Sha Bai Lin Evil humulone Oxyfluorfen micro emulsion 1.25,2.5,5,10 and 20g a.i./mu treatment dosage logarithm (x) and barnyard grass fresh weight inhibiting rate is:
y＝3.2258x+2.6785
Calculate 37% ED of Sha Bai Lin Evil humulone Oxyfluorfen micro emulsion to barnyard grass according to this virulence regression equation
90value is 16.2ga.i./mu.
According to test data analyzer, the selectivity index of 37% Sha Bai Lin Evil humulone Oxyfluorfen micro emulsion between barnyard grass (before seedling) and paddy rice (4 leaf phase) is 16.This result of the test shows, Sha Bai Lin Evil humulone Oxyfluorfen mixture is used paddy rice very safe at transplanting rice field.
Embodiment 3:37% wetting powder
By 16 parts of anilofos, 9 Fen Evil humulones, 12 parts of Oxyfluorfens, 10 parts of WPA-9503 compound auxiliaries, 56 parts of kaolin mix, and pulverize and obtain active ingredient and be 37% wetting powder.
Embodiment 4:37% missible oil
By 16 parts of anilofos, 9 Fen Evil humulones, 12 parts of Oxyfluorfens, 46 parts of dimethylbenzene, 20 parts of 656H compound auxiliary mixed dissolutions obtain active ingredient is 37% missible oil.
Embodiment 5:37% microemulsion
Just 16 parts of anilofos, 9 Fen Evil humulones, 12 parts of Oxyfluorfens, 5% dimethyl sulfoxide (DMSO), 1 part of dodecyl sodium sulfate, 12 parts of styrenated phenol APEOs, 48 parts of water mix, and stir and obtain active ingredient and be 37% microemulsion.
Embodiment 6:37% suspending agent
By 16 parts of anilofos, 9 Fen Evil humulones, 12 parts of Oxyfluorfens, 1 part of dodecyl sodium sulfate, 5 parts of sorbitol polyoxyethylene ethers, 0.3 part of sodium lignin sulfonate, 0.2 part of methylcellulose, 1 part of ethylene glycol, 58.5 parts of water mix, and colloid mill homogenize obtains active ingredient is 37% suspending agent.
Claims (4)
1. the combination for preventing and controlling weed in rice field, it is characterized in that containing anilofos (anilofos), Evil humulone (oxadiazon) and three kinds of active ingredients of Oxyfluorfen (oxyfluorfen), and be aided with the formulation that suitable solvent, surfactant, stabilizing agent are made into, wherein anilofos contains 1%-20% containing 1%-30% Evil humulone, Oxyfluorfen is containing 1%-20%, and the ratio of anilofos, Evil humulone, three kinds of active ingredients of Oxyfluorfen is: anilofos ∶ Evil humulone: Oxyfluorfen=12～20: 6～9: 12.
2. a kind of combination for preventing and controlling weed in rice field according to claim 1, is characterized in that, wherein the ratio of anilofos, Evil humulone, three kinds of active ingredients of Oxyfluorfen is: anilofos ∶ Evil humulone: Oxyfluorfen=16: 9: 12.
3. a kind of combination for preventing and controlling weed in rice field according to claim 1 and 2, is characterized in that being processed into microemulsion, wetting powder, missible oil and suspending agent.
4. the purposes of a kind of combination for preventing and controlling weed in rice field according to claim 1 and 2, is characterized in that preventing and kill off for paddy field weed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479445.3A CN103070190B (en) | 2012-11-23 | 2012-11-23 | Combination used for preventing and removing weed in paddy field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210479445.3A CN103070190B (en) | 2012-11-23 | 2012-11-23 | Combination used for preventing and removing weed in paddy field |
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| CN103070190A CN103070190A (en) | 2013-05-01 |
| CN103070190B true CN103070190B (en) | 2014-09-24 |
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| CN201210479445.3A Expired - Fee Related CN103070190B (en) | 2012-11-23 | 2012-11-23 | Combination used for preventing and removing weed in paddy field |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112136822A (en) * | 2020-10-20 | 2020-12-29 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing oxadiargyl, anilofos and oxyfluorfen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144601A (en) * | 1996-05-29 | 1997-03-12 | 李福元 | Agricultural herbicide composition |
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| EP1743527A2 (en) * | 2001-12-05 | 2007-01-17 | Bayer CropScience Aktiengesellschaft | herbicides based on substituted carboxylic acid anilides |
| CN102057904A (en) * | 2010-12-08 | 2011-05-18 | 周梅芝 | Weeding compositions and weeding method for garlic field |
| CN102334486A (en) * | 2011-11-14 | 2012-02-01 | 山东胜邦绿野化学有限公司 | Composite herbicide and preparation method thereof |
-
2012
- 2012-11-23 CN CN201210479445.3A patent/CN103070190B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144601A (en) * | 1996-05-29 | 1997-03-12 | 李福元 | Agricultural herbicide composition |
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| EP1743527A2 (en) * | 2001-12-05 | 2007-01-17 | Bayer CropScience Aktiengesellschaft | herbicides based on substituted carboxylic acid anilides |
| CN102057904A (en) * | 2010-12-08 | 2011-05-18 | 周梅芝 | Weeding compositions and weeding method for garlic field |
| CN102334486A (en) * | 2011-11-14 | 2012-02-01 | 山东胜邦绿野化学有限公司 | Composite herbicide and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 噁草酮WP防除水稻移栽田一年生杂草的效果及安全性.《杂草科学》.2011,第29卷(第1期),第54-57页，摘要. |
| 莎稗磷•噁草酮WP防除水稻移栽田一年生杂草的效果及安全性;顾慧玲 等;《杂草科学》;20110325;第29卷(第1期);第54-57页，摘要 * |
| 顾慧玲 等.莎稗磷• |
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