CN102657196A - Benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects - Google Patents
Benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects Download PDFInfo
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- CN102657196A CN102657196A CN2012101065574A CN201210106557A CN102657196A CN 102657196 A CN102657196 A CN 102657196A CN 2012101065574 A CN2012101065574 A CN 2012101065574A CN 201210106557 A CN201210106557 A CN 201210106557A CN 102657196 A CN102657196 A CN 102657196A
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- metalaxyl
- benzene metsulfovax
- metsulfovax
- composition pesticide
- synergistic function
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Abstract
The invention relates to a benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects. The mass part ratio of benthiavalicarb-isopropyl to metalaxyl-M is 1:3. The pesticide composition provided by the invention is suitable for preventing and curing cucumber downy mildew, has very high control effects, and is a bactericide which is worthy to be popularized.
Description
Technical field
The composition pesticide that the present invention relates to belongs to the pesticidal preparations field, and specifically a kind of composition pesticide with synergistic function that contains benzene metsulfovax and Metalaxyl-M is used to prevent and treat cucumber downy mildew.
Background technology
The benzene metsulfovax, english common name benthiavalicarb-isopropyl, chemical name [[(6-fluoro benzothiazole-2-yl)-ethylamino formoxyl]-2-methyl-propyl] carbamic acid isopropyl ester.The Oomycete mycosis there is good active; The benzene metsulfovax also has excellent bactericidal activity to phytophthora root rot; Its sporangial formation and sporangial sprouting there are the good restraining effect under low concentration, but to the release of zoospore and the not effect of moving of zoospore.Similar to downy mildew of garpe bacterium, downy mildew of cucurbits bacterium with the field test results of Cruciferae Pseudoperonospora cubensis.The biological chemistry action mechanism of benzene metsulfovax just under study for action; The benzene metsulfovax has the phytophthora infestans of resistance and has the downy mildew of cucurbits of resistance that bactericidal activity is all arranged to methoxy acrylic functional group benzamide functional group, infers that the benzene metsulfovax is different with the mechanism of action that contains these functional group's bactericide.And the benzene metsulfovax not influence the oxidation of nucleic acid and protein synthetic, to the not influence of function of phytophthora root rot bacterium protoplasmic membrane.
New type bactericide benzene metsulfovax has very strong prevention, treats, oozes and annotate activity and good lasting effect and resistance of rainwater washing against property are arranged.In the field trial, the benzene metsulfovax still can effectively be controlled the downy mildew of late blight, grape and other crops of potato and tomato under lower dosage.Benzene metsulfovax and other bactericide are made into mixture, also can extraordinary drug effect be arranged to these germs.
Metalaxyl-M, English name metalaxyl-M belongs to the anilide bactericide, and chemical name is N-(2, the 6-xylyl)-N-(methoxyl group acetyl group)-D-alanine methyl esters.Metalaxyl-M has control efficiency efficiently to crop pests such as the vegetables due to Pseudoperonospora cubensis, phytophthora root rot bacterium, the rotten mildew fungus, fruit tree, tobacco, oil plant, cotton, grains.
A large amount of uses of for many years single agent and conventional complex preparation; Cause this type of medicament resistance to increase to some extent, owing to the expense raising in the process of promoting the use of of agricultural chemicals new product, plantation family production cost also increases thereupon; How to develop the potential value of old product; Making it to continue to play a greater role, is a project that is worth research, and we further investigate to this situation for this reason.Cucumber is a kind of at world wide cultivated area vegetable variety widely; Cucumber downy mildew is a kind of common disease in the green cucumber process; The harm phase is long, propagation is fast; Often cause the crop underproduction significantly serious period, has a strong impact on quality and economic benefit, develops its relevant control product and have the great market space.
Summary of the invention
The objective of the invention is benzene metsulfovax that the mechanism of action is different and Metalaxyl-M and carry out compositely, the composition pesticide of a kind of efficient, low toxicity, low-residual is provided, be used to prevent and treat cucumber downy mildew.
Technical scheme of the present invention: a kind of composition pesticide with synergistic function that contains benzene metsulfovax and Metalaxyl-M is an active ingredient with benzene metsulfovax and Metalaxyl-M, and benzene metsulfovax and the Metalaxyl-M ratio of quality and the number of copies in composition pesticide is 1:3.
Be mixed with 24% benzene metsulfovax Metalaxyl-M water dispersible granules and two kinds of pesticidal preparations of 20% benzene metsulfovax Metalaxyl-M suspending agent during composition pesticide practical application of the present invention.
The prescription of processing 24% benzene metsulfovax Metalaxyl-M water dispersible granules is following.
Benzene metsulfovax 6%, Metalaxyl-M 18%, sodium lignin sulfonate 4%, naphthalenesulfonic acid-formaldehyde condensate 3%, sodium chloride 2%, soluble starch 1%, polyvinyl alcohol 3%, kaolin complements to 100%.
Dry pulverization process, extruder grain, drying, screening make 24% benzene metsulfovax Metalaxyl-M water dispersible granules in proportion with above-mentioned prescription.
The prescription of processing 20% benzene metsulfovax Metalaxyl-M suspending agent is following.
Benzene metsulfovax 5%, Metalaxyl-M 15%, methyl naphthalene sulfonate formaldehyde condensate 5%,
Surfactant 0203B 6%, white carbon 5%, aluminium-magnesium silicate 0.4%, ethylene glycol 3%,
Tributyl phosphate 1.5%, water complements to 100%.
Above-mentioned prescription is pulverized in proportion in advance, added in the sand mill and grind, allotment makes 20% benzene metsulfovax Metalaxyl-M suspending agent after high shear mixing.
Composition pesticide of the present invention is mainly used in the control cucumber downy mildew.
Early stage or the use of disease initial stage of origination should take place in disease in composition pesticide of the present invention when using.
Composition pesticide of the present invention adopts the method for spraying to use usually, also can adopt agricultural to go up other operation techniques of using as required.
Beneficial effect of the present invention is following.
1, composition pesticide provided by the invention; In certain ratio range, cucumber downy mildew is shown obvious synergistic effect, the control efficiency of composition is significantly improved than single agent, has reduced the using dosage of agricultural chemicals; Reduced drug cost, reduced the adverse effect of agricultural chemicals ecotope.
2, two of composition pesticide provided by the invention kinds of effective ingredient mechanism of action have nothing in common with each other, and can overcome the long-term single shortcoming that makes with medicament be easy to generate resistance, prolong the service life of medicament, and the comprehensive regulation of disease is had significance.
3, the composition pesticide that provides of the present invention is to crop safety.
Embodiment
Below in conjunction with embodiment content of the present invention is done further to detail, mentioned content is not to qualification of the present invention among the embodiment, and material prescription is selected to suit measures to local conditions and the result is not had substantial influence.In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
Biologicall test embodiment 1:Benzene metsulfovax and Metalaxyl-M are mixed and make up the indoor pot experiment to cucumber downy mildew.
Test method is carried out with reference to Wu Wenjun " chemical protection of plant experimental technique introduction " (1993).Benzene metsulfovax, the former medicine of Metalaxyl-M are processed 20% suspending agent respectively carry out laboratory test.According to requirement of experiment, process the mixture preparation of single agent and respective quality ratio respectively.The concrete data of result of the test are seen table 1.
The indoor pot experiment data that table 1, benzene metsulfovax and Metalaxyl-M are mixed.
Calculate the toxicity index of each medicament and the co-toxicity coefficient (CTC value) of mixture according to the abundant method of Sun Yun, when CTC≤80 are antagonism, 80 ﹤ CTC ﹤ 120 are summation action, and CTC>=120 are synergistic effect.
Suppress growth test through indoor bacterium colony and find that benzene metsulfovax, Metalaxyl-M are 1:5 according to mass ratio
～Be born to grow to bacterium of downy mildew of cucumber and all have the synergy inhibitory action in the composite back of the ratio of 5:1, wherein obvious with 1:3 synergy, co-toxicity coefficient is 229.48, and the two compound synergic property is remarkable, can more effectively suppress the expansion of bacterium colony.
Biologicall test embodiment 2:The field medicine effect test of 24% benzene metsulfovax Metalaxyl-M water dispersible granules control cucumber downy mildew.
Adopt 24% benzene metsulfovax Metalaxyl-M water dispersible granules control cucumber downy mildew, the experiment place is Li Lin village, Chen Jiang town, Huizhou City, Guangdong Province, and test period is in June, 2011, selects the comparatively serious field piece of downy mildew morbidity, adopts the mode of mechanical spraying.Converting 1000 times of liquid of water dilution with 40% commercially available dimethomorph water dispersion granula (Qingdao east crude drug industry Co., Ltd) serve as the contrast medicament, converts water with 24% benzene metsulfovax Metalaxyl-M water dispersible granules and dilutes the processing that makes an experiment of 1500 times of liquid.3d after the dispenser, the preventive effect of 24% benzene metsulfovax Metalaxyl-M water dispersible granules and 40% dimethomorph water dispersion granula is respectively 83.6% and 78.1%, and the preventive effect of 7d is respectively 89.3% and 79.4% after the dispenser, and the preventive effect of 14d is respectively 92.5% and 81.7% after the dispenser.Test shows that 24% benzene metsulfovax Metalaxyl-M water dispersible granules has good control therapeutic action to cucumber downy mildew, and preventive effect is higher than commercially available conventional products 40% dimethomorph water dispersion granula.
Biologicall test embodiment 3:The field medicine effect test of 20% benzene metsulfovax Metalaxyl-M suspending agent control cucumber downy mildew.
Adopt 20% benzene metsulfovax Metalaxyl-M suspending agent control cucumber downy mildew, the experiment place is the Hunan Yueyang Yunxi District, and test period is in August, 2011, selects the comparatively serious field piece of downy mildew morbidity, adopts the mode of mechanical spraying.Converting 2000 times of liquid of water dilution with commercially available 25% Fluoxastrobin suspending agent (Britain Syngenta Co., Ltd) serve as the contrast medicament, converts water with 20% benzene metsulfovax Metalaxyl-M suspending agent and dilutes the processing that makes an experiment of 1500 times of liquid.3d after the dispenser, the preventive effect of 20% benzene metsulfovax Metalaxyl-M suspending agent and 25% Fluoxastrobin suspending agent is respectively 87.6% and 83.2%, and the preventive effect of 7d is respectively 90.9% and 86.1% after the dispenser, and the preventive effect of 14d is respectively 94.0% and 87.3% after the dispenser.Test shows that 20% benzene metsulfovax Metalaxyl-M suspending agent has good control therapeutic action to cucumber downy mildew, and preventive effect is higher than commercially available conventional products 25% Fluoxastrobin suspending agent.
Claims (5)
1. composition pesticide with synergistic function that contains benzene metsulfovax and Metalaxyl-M, it is characterized in that: active ingredient is made up of benzene metsulfovax and Metalaxyl-M.
2. the composition pesticide with synergistic function that contains benzene metsulfovax and Metalaxyl-M according to claim 1 is characterized in that: the ratio of quality and the number of copies in composition pesticide of benzene metsulfovax and Metalaxyl-M is 1:3.
3. according to claim 1 and the 2 described composition pesticides that contain benzene metsulfovax and Metalaxyl-M, it is characterized in that: be mixed with 24% benzene metsulfovax Metalaxyl-M water dispersible granules and two kinds of pesticidal preparations of 20% benzene metsulfovax Metalaxyl-M suspending agent during practical application with synergistic function.
4. the composition pesticide with synergistic function that contains benzene metsulfovax and Metalaxyl-M according to claim 3 is characterized in that the prescription of two kinds of pesticidal preparations is following,
The prescription of 24% benzene metsulfovax Metalaxyl-M water dispersible granules is following:
Benzene metsulfovax 6%, Metalaxyl-M 18%, sodium lignin sulfonate 4%, naphthalenesulfonic acid-formaldehyde condensate 3%, sodium chloride 2%, polyvinyl alcohol 3%, kaolin complements to 100%;
The prescription of 20% benzene metsulfovax Metalaxyl-M suspending agent is following: benzene metsulfovax 5%, Metalaxyl-M 15%, methyl naphthalene sulfonate formaldehyde condensate 5%; Surfactant 0203B 6%, white carbon 5%, aluminium-magnesium silicate 0.4%; Ethylene glycol 3%, tributyl phosphate 1.5%, water complements to 100%.
5. according to claim 1, the 2 or 4 described composition pesticides that contain benzene metsulfovax and Metalaxyl-M, it is characterized in that being used to prevent and treat cucumber downy mildew with synergistic function.
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| CN2012101065574A CN102657196A (en) | 2012-04-12 | 2012-04-12 | Benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects |
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| CN2012101065574A CN102657196A (en) | 2012-04-12 | 2012-04-12 | Benthiavalicarb-isopropyl and metalaxyl-M containing pesticide composition with synergist effects |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103081931A (en) * | 2013-01-17 | 2013-05-08 | 湖南农大海特农化有限公司 | Benthiavalicarb isopropyl/dimethomorph bactericidal composition |
| CN103766360A (en) * | 2012-10-21 | 2014-05-07 | 深圳诺普信农化股份有限公司 | Compounded sterilization composition containing benthiavalicarb-isopropyl |
| CN106508943A (en) * | 2015-09-15 | 2017-03-22 | 南京华洲药业有限公司 | Bactericidal composition containing benthiavalicarb-isopropyl and prochloraz, and applications thereof |
Citations (2)
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| CN1409596A (en) * | 1999-12-13 | 2003-04-09 | 拜尔公司 | Fungicidal combinations of active substances |
| CN101642118A (en) * | 2009-09-08 | 2010-02-10 | 深圳诺普信农化股份有限公司 | Composition for plant protection |
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2012
- 2012-04-12 CN CN2012101065574A patent/CN102657196A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409596A (en) * | 1999-12-13 | 2003-04-09 | 拜尔公司 | Fungicidal combinations of active substances |
| CN101642118A (en) * | 2009-09-08 | 2010-02-10 | 深圳诺普信农化股份有限公司 | Composition for plant protection |
Non-Patent Citations (2)
| Title |
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| 冯化成: "新颖杀菌剂苯噻菌胺(benthiavalicarb-isopropyl)", 《世界农药》 * |
| 李海屏: "世界杀菌剂开发进展及趋势", 《化工科技市场》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766360A (en) * | 2012-10-21 | 2014-05-07 | 深圳诺普信农化股份有限公司 | Compounded sterilization composition containing benthiavalicarb-isopropyl |
| CN103766360B (en) * | 2012-10-21 | 2015-05-13 | 深圳诺普信农化股份有限公司 | Compounded sterilization composition containing benthiavalicarb-isopropyl |
| CN103081931A (en) * | 2013-01-17 | 2013-05-08 | 湖南农大海特农化有限公司 | Benthiavalicarb isopropyl/dimethomorph bactericidal composition |
| CN103081931B (en) * | 2013-01-17 | 2016-02-17 | 湖南农大海特农化有限公司 | The bactericidal composition of benzene metsulfovax and dimethomorph |
| CN106508943A (en) * | 2015-09-15 | 2017-03-22 | 南京华洲药业有限公司 | Bactericidal composition containing benthiavalicarb-isopropyl and prochloraz, and applications thereof |
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Application publication date: 20120912 |