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Microbicide composition for preventing and controlling wheat powdery mildew and application of composition

A fungicide composition and technology for wheat powdery mildew, applied in the field of pesticides, can solve problems such as metabolic interference, influence on photosynthesis, yield loss, etc., and achieve the effects of delaying drug resistance, reducing drug dosage, and long lasting effect.

Inactive Publication Date: 2014-12-10
JIANGSU LVDUN PLANT PROTECTION AGROCHEM EXPERIMENTAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mildew spots are scattered separately in the early stage, and then combined to form a large mildew spot, which can even cover the whole leaf, seriously affecting photosynthesis, disturbing normal metabolism, causing premature aging, and loss of yield

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: 55% metconazole-pyrastrostrobin water-dispersible granules in percentage by weight

[0017] The fungicide composition for preventing and treating wheat powdery mildew includes 5g metconazole, 50g pyraclostrobin, 4g sodium lauryl sulfate, 2g lauryl alcohol polyoxyethylene ether, 2g lignosulfonate, 2g sulfonic acid polyformaldehyde condensate (NNO), 2g polyethylene glycol, 4g ammonium sulphate and 10g sodium carboxymethylcellulose supplemented with kaolin to 100g.

Embodiment 2

[0018] Embodiment 2: percentage by weight is 55% metconazole-pyrastrostrobin water dispersible granule

[0019] The fungicide composition for preventing and treating wheat powdery mildew includes 50g metconazole, 5g pyraclostrobin, 4g sodium lauryl sulfate, 2g lauryl alcohol polyoxyethylene ether, 2g lignosulfonate, 2g sulfonic acid polyformaldehyde condensate (NNO), 2g polyethylene glycol, 4g ammonium sulfate, 10g sodium carboxymethylcellulose, which was supplemented by kaolin to 100g.

[0020] According to the formula of Examples 1 and 2, the active ingredients, additives, and fillers are mixed, stirred evenly, and pulverized to obtain mother powder, and the mother powder and binder (carboxymethyl cellulose) are mixed evenly, and then granulated, Drying and sieving can prepare metconazole-pyrastrostrobin water-dispersible granules.

Embodiment 3

[0021] Example 3: 50% metconazole-pyrastrostrobin wettable powder

[0022] The fungicide composition of controlling wheat powdery mildew comprises 25g metconazole, 25g pyraclostrobin, 4g sodium lauryl sulfate, 4g sodium lignosulfonate and 2g pull open powder (BX), and it is supplemented 100g by diatomaceous earth .

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PUM

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Abstract

The invention discloses a microbicide composition for preventing and controlling wheat powdery mildew, and belongs to the technical field of pesticides. The microbicide composition comprises the following active components in percentage by weight: 5%-60% of metconazole and 5%-60% of pyraoxystrobin, wherein the weight ratio of the metconazole to the pyraoxystrobin is (1 : 10) to (10 : 1). The invention further discloses application of the microbicide composition to prevention and control of the wheat powdery mildew. According to the microbicide composition, the metconazole and the pyraoxystrobin are compounded and various assistants are added, so that three dosage forms with excellent effects of preventing and controlling the wheat powdery mildew are researched and developed, a remarkable synergistic effect on the wheat powdery mildew is achieved, and the prevention and control effects can be remarkably improved; moreover, part of medium-high-toxicity microbicides can be replaced, the dosage is reduced, the environmental pollution is alleviated, and the agricultural product residues are reduced; due to the application of the microbicide composition to prevention and control of the wheat powdery mildew, the drug resistance of the wheat powdery mildew on a single microbicide can be delayed, and the microbicide composition has the advantage of long lasting period.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a fungicide composition for preventing and treating wheat powdery mildew and an application thereof. Background technique [0002] Powdery mildew can occur from seedling to heading. It mainly damages wheat leaves, but also stems and ears. Small yellow dots start to appear on the leaves, and then expand and develop into round or oval lesions with a white powdery mold layer on the surface. Generally, the lower leaves are more than the upper leaves, and the back of the leaves is more than the front. The mildew spots are scattered separately in the early stage, and then combined to form a large mildew spot, which can even cover the whole leaf, seriously affecting photosynthesis, disturbing normal metabolism, causing premature aging, and loss of yield. Contents of the invention [0003] Purpose of the invention: The purpose of the present invention is to provide a ...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01P3/00A01N43/56
Inventor 赵来成王莉莉陈源缪康吴祥张建华
Owner JIANGSU LVDUN PLANT PROTECTION AGROCHEM EXPERIMENTAL
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