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Bactericidal composition containing benzovindiflupyr

A technology of fenfluconazole and a composition is applied in the field of bactericidal compositions for preventing and treating potato late blight, which can solve the problem that the simultaneous prevention and control of bacterial diseases and fungal diseases cannot be achieved, which is unfavorable to the sustainable development of agriculture, and the bacteria resistance is serious. and other problems, to achieve the effect of reducing adverse effects, rapid drug efficacy, and long lasting effect.

Inactive Publication Date: 2016-10-12
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] In agricultural production practice, fungal diseases and bacterial diseases often occur mixedly on crops, and a single fungicide often cannot achieve the purpose of simultaneously controlling bacterial diseases and fungal diseases due to the limitation of its bactericidal spectrum
At the same time, the long-term and large-scale application of a single agent has led to increasingly serious drug resistance of the bacteria. In order to achieve the ideal control effect, the dosage has to be increased, which has led to a series of problems such as excessive pesticide residues and polluted the environment, which is not conducive to the sustainable development of agriculture. sustainable development

Method used

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  • Bactericidal composition containing benzovindiflupyr

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Indoor virulence test of the combination of benzovinfluconazole with metrastrobin and syringstrobin respectively against the pathogen of potato late blight Pleurotus spirochete.

[0023] The test refers to "Pesticide Indoor Bioassay Test Guidelines NY / T1156.2-2006" and adopts the mycelium growth rate method. Take 5mL of the prepared medicinal solution and add it to a cone with 45mL of hot medium (rye medium, 45-50°C. Rye medium formula: rye 60g, sucrose 20g, agar powder 12g, add water to 1000mL) After shaking well, quickly pour it into a 90mm-diameter glass petri dish, pour 10mL of the culture medium with medicine into each petri dish, and use the sterilized aqueous solution containing an appropriate amount of acetone and Tween 80 as a control, with 4 replicates for each treatment , placed horizontally, and made into a flat plate after cooling. Insert a bacterium cake with a diameter of 0.4 cm into each dish. All operations are carried out aseptically in ul...

Embodiment 2

[0034] Example 2: 30% benzovinfluconazole · medistrobin suspension concentrate.

[0035] The following substances are all in weight ratio: 15% benzovinfluconazole, 15% metrastrobin, 5% sodium lauryl sulfate, 5% p-methoxy fatty amidobenzenesulfonic acid, naphthalenesulfonic acid condensate Sodium salt 4%, polyethylene glycol 3%, aluminum magnesium silicate 1%, polyether emulsion 0.1%, propylene glycol 1%, sodium benzoate 0.5%, deionized water to make up to 100%. The above materials were weighed in proportion, stirred and mixed, ground by a ball mill, and sheared by a high-speed shearing machine to obtain a 30% benzovinfluconazole-mediclostrobin suspension concentrate.

[0036] 5d, 10d, 20d control effects for preventing and controlling potato late blight: 30% Benzofenflupyr-Medistrobin SC dosage 60g a.i. / ha mixed with water spray control effect 81.21%, 93.72%, 82.57%; 30 % The dosage of benzovinfluconazole suspension is 60g a.i. / ha mixed with water and the spray control effect...

Embodiment 3

[0037] Example 3: 45% benzovinflufenazole · syringstrobin wettable powder.

[0038] The following substances are all in weight ratio: benzovinfluconazole 5%, syringstrobin 40%, butyl naphthalene sulfonate 5%, dioctyl sulfosuccinate sodium salt 6%, acrylic acid homopolymer sodium salt 5% %, sodium alkyl sulfonate 2%, lignosulfonate 2%, magnesium chloride 2%, bentonite 3%, white carbon black 3%, kaolin supplement 100%. The above materials are weighed in proportion, stirred and mixed, mechanically pulverized and then jet-pulverized to obtain 45% benzovinfluconazole·syringstrobin wettable powder.

[0039]5d, 10d, and 20d effects for the control of potato late blight: 45% benzovinflufenazole · syringstrobin wettable powder dosage 60g a.i. / ha mixed with water spray control effect 83.04%, 95.47%, 82.09%; 5% benzo 60g a.i. / ha mixed with water and spray control effect of fenfluconazole wettable powder is 72.27%, 82.81%, 73.02%; , 72.82%. It can be seen that the combination of benzov...

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Abstract

The invention discloses bactericidal composition containing benzovindiflupyr. The bactericidal composition is prepared from an active ingredient A, an active ingredient B and a proper pesticide aid, wherein the weight ratio of A to B is (1:40)-(40:1), and the total weight of the active ingredient A and the active ingredient B accounts for 5%-80% of the weight of the composition; the active ingredient A is benzovindiflupyr, and the active ingredient B is one of meptyldinocap and coumoxystrobin. The bactericidal composition has a remarkable synergistic effect when used for controlling potato late blight and the use effect is improved.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a fungicidal composition for preventing and treating late blight of potatoes. Background technique [0002] In agricultural production practice, fungal diseases and bacterial diseases often occur mixedly on crops, and a single fungicide often cannot achieve the purpose of simultaneously preventing and controlling bacterial diseases and fungal diseases due to the limitation of its bactericidal spectrum. At the same time, the long-term and large-scale application of a single agent has led to increasingly serious drug resistance of the bacteria. In order to achieve the ideal control effect, the dosage has to be increased, which has led to a series of problems such as excessive pesticide residues and polluted the environment, which is not conducive to the sustainable development of agriculture. Continuous development. [0003] Benzovindiflupyr is a pyrazole amide fung...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01N37/06A01N43/16A01P3/00
CPCA01N37/06A01N43/16A01N43/56A01N2300/00
Inventor 陈佛祥张志伟朱刚王礼文吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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