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Fluopicolpkd-containing bactericidal composition

A composition and technology of agricultural fungicides, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of high use cost and easy generation of drug resistance, achieve reasonable components, overcome and eliminate bacteria resistance, crops. good safety effect

Active Publication Date: 2011-10-19
SINOCHEM LANTIAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] Although pyrflustrobin has the above-mentioned advantages, it has the disadvantages that the cost of use is high, and it is easy to produce drug resistance when used alone

Method used

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  • Fluopicolpkd-containing bactericidal composition
  • Fluopicolpkd-containing bactericidal composition
  • Fluopicolpkd-containing bactericidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Example 1, Pyflustrobin and propineb, cymoxanil, dimethomorph, flumorph, chlorothalonil, metalaxyl, fluazinam, fluoxamid, benthiazil complex pairing Indoor Toxicity Test of Cucumber Downy Mildew

[0041] Test object: Cucumber downy mildew fungus (Pseudoperonospora cubensis) was cultured in vivo in our laboratory for a long time.

[0042] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T 1156.11-2008". Select two potted cucumber seedlings with the same growth at the true leaf stage (remove the growth point), dry them naturally after spraying, inoculate after 24 hours of spraying, take fresh cucumber downy mildew diseased leaves, dip them in distilled water with a brush and wash them. Sporangia on the back of diseased leaves, made into sporangia suspension (2-3×10 5 each / ml), evenly spray inoculation on the cucumber seedlings with an inoculation sprayer (pressure 0.1MPa), the test material after inoculation is moved to the artificial ...

Embodiment 2

[0065] Example 2: Combination of pyrflustrobin with propineb, cymoxanil, dimethomorph, flumorph, chlorothalonil, metalaxyl, fluazinam, fluoxamid, and benthiazil Indoor Toxicity Test of Capsicum Blight

[0066] Test object: Pepper blight pathogen (Phytophthora capsici) was provided by the Institute of Biology, Zhejiang University, and has been identified as having strong pathogenicity.

[0067] Test method: refer to the mycelial growth rate method of "Agricultural Industry Standard NY / T 1156.2-2006 of the People's Republic of China". Cultivate the pathogenic bacteria of Pepper blight with PDA medium. When the colony is just full of the petri dish, use a puncher with a diameter of 5mm to form a bacterial block at the edge of the colony, and use an inoculation needle to move the bacterial block to the pre-prepared toxic PDA for cultivation. Then cultured in a 25°C incubator, and each treatment was repeated 4 times. Depending on the growth of the CK colony, use the cross method ...

Embodiment 1

[0078]Formulation Example 1: 60% Pyflustrobin·Propineb Water Dispersible Granules

[0079] Weigh 20% pyrflustrobin, 40% propine zinc, 3% TERSPERSE 2700, 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), 3% pull open powder BX (dibutyl naphthalene sulfonic acid sodium), 2% K-12 (sodium lauryl sulfate), 3% diatomaceous earth, 5% glucose, and kaolin to 100%.

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Abstract

The invention discloses an agricultural bactericidal composition for prevention and treatment of downy mildew and eqpidemic diseases. The bactericidal composition comprises two active components of a first active component and a second active component, wherein the first active component is fluopicolpkd (having a structural formula is shown in the patent specification), and the second active component comprises one or more of propineb, cymoxanil, dimethomorph, flumorph, chlorothalonil, metalaxyl, fluazinam, fluopicolide and benthiavalicarb-isopropyl. A weight ratio of the first active component to the second active component is in a range of (50: 1) to (1: 50). The bactericidal composition disclosed by the invention has the advantages of good bactericidal effects, low pharmacy cost, safety on crops, and good effects of prevention and treatment of downy mildew and eqpidemic diseases of melons, fruit trees and vegetables.

Description

technical field [0001] The invention belongs to the field of pesticide compositions, in particular to a fungicidal composition for preventing and treating downy mildew and blight. Background technique [0002] Downy mildew and blight are common and frequently-occurring diseases of melons, fruit trees, vegetables and other crops, which seriously affect the yield and quality of products and often become devastating diseases. [0003] Downy mildew is a plant disease caused by downy mildew in fungi. Downy mildew can occur at all stages from seedlings to harvest, and the adult plants suffer the most. It mainly damages the leaves and develops from the base to the upper leaves. In the early stage of the disease, light yellow sub-circular to polygonal lesions are formed on the leaves. When the air is humid, a frosty mold layer is formed on the back of the leaves, and sometimes it can spread to the leaves. In the later stage, the disease spots are withered and contiguous, and they...

Claims

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Application Information

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IPC IPC(8): A01N47/14A01N43/40A01N47/34A01N43/84A01N37/34A01N37/46A01N47/12A01P3/00
Inventor 胡伟群陈杰朱卫刚张晓铭胡冬松刑家华
Owner SINOCHEM LANTIAN
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