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Sterilizing composition containing isopyrazam and azoxystrobin

A technology of pyraclostrobin and fluoxastrobin, which is applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of metabolic interference, influence on photosynthesis, yield loss, etc., so as to reduce the dosage and drug use. The effect of low cost and low cost of use

Inactive Publication Date: 2016-07-13
GUANGDONG ZHONGXUN AGRI TECH
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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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  • Sterilizing composition containing isopyrazam and azoxystrobin
  • Sterilizing composition containing isopyrazam and azoxystrobin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: Indoor activity determination test

[0020] (1) Indoor spore germination test of wheat powdery mildew:

[0021] The wheat powdery mildew bacteria were inoculated into a petri dish containing PDA medium and cultured at 25°C in the dark. A large number of spores were found to be produced by microscopic examination, and a spore suspension was prepared with sterile water for later use.

[0022] The original drug was made into 24% pyraclostrobin-fluoxastrobin suspension for testing, and 4 groups of different treatments were set up, among which 0.3 μg / mL, 0.6 μg / mL, and 1.2 μg / mL (active ingredient) Compare with a clear water. The test method was carried out with reference to Wu Wenjun's "Introduction to Experimental Techniques of Plant Chemical Protection" (1993). Refer to Table 1 for test results.

[0023] Table 1. Indoor spore germination test results

[0024]

1

2

3

Clear water control

Active ingredients

0.3μg / mL ...

Embodiment 2

[0032] Example 2: 24% pyraclostrobin fluoxastrobin suspension concentrate

[0033] Weigh 4% pyraclostrobin, 20% fluoxastrobin, 2% Nongru 602#, 4% Nongru 500#, 3% lignosulfonate, 0.2% xanthan gum, 4% ethylene glycol , 0.5% silicone defoamer, add deionized water to make up to 100%. After the above raw materials are mixed, 24% pyraclostrobin-fluoxastrobin suspension concentrate is prepared through high-speed shear emulsification.

Embodiment 3

[0034] Example 3: 48% pyraclostrobin fluoxastrobin water dispersible granules

[0035] Weigh 8% pyraclostrobin, 40% fluoxastrobin, 4% sodium lauryl sulfate, 12% sodium lignosulfonate, 6% naphthalenesulfonate, 1.2% disintegrant, and bentonite to make up to 100%. After the above raw materials are mixed, they are pulverized and granulated by a jet mill to obtain 48% pyraclostrobin-fluoxastrobin water-dispersible granules.

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PUM

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Abstract

The invention relates to a sterilizing composition containing isopyrazam and azoxystrobin.The sterilizing composition contains the effective components of isopyrazam and azoxystrobin according to the weight ratio being 1:10-10:1, and the sum weight of isopyrazam and azoxystrobin accounts for 1-8% of the composition.The sterilizing composition can be prepared into a particle agent or a suspending agent and has a good prevention and treatment effect on wheat powdery mildew.The sterilizing composition of the dosage form is environmentally friendly in the processing process, high in selectivity and easy to use and has high operability and great actual application value.

Description

technical field [0001] The invention relates to a bactericidal composition, the active ingredients of which include pyraclostrobin and fluoxastrobin, and are used for preventing and treating wheat powdery mildew. Background technique [0002] Pyrafenapyramide, a succinate dehydrogenase inhibitor, is currently mainly used to prevent and control wheat powdery mildew. It is a third-generation succinate dehydrogenase inhibitor with higher activity and duration. [0003] Fluoxastrobin is a methoxyacrylate fungicide. The mechanism of action of fluoxastrobin is also a mitochondrial respiration inhibitor, that is, it inhibits mitochondrial respiration through electron transfer between cytochrome b and C1. Fluoxastrobin has dual characteristics of fast-acting and long-lasting effect, and has good compatibility with crops. Appropriate processing formulations can further improve its penetration into leaves through the cuticle. Although its absorption capacity through seeds and roots i...

Claims

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Application Information

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IPC IPC(8): A01N43/88A01N43/56A01P3/00
CPCA01N43/88A01N43/56
Inventor 朱刚陈佛祥王礼文吴泽伟张志伟颜石雷
Owner GUANGDONG ZHONGXUN AGRI TECH
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