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Sterilizing composition

A composition and technology for crop diseases, applied in the directions of fungicides, biocides, biocides, etc., can solve the problem of high drug cost, and achieve the effects of stable drug efficacy, improved drug efficacy, and cost reduction.

Inactive Publication Date: 2010-01-06
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Blasticamide has good crop safety and outstanding environmental compatibility, but the drug cost of blastamide is high, and it is very difficult to popularize and apply it on a large scale

Method used

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  • Sterilizing composition
  • Sterilizing composition
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Bioassay example 1: Pot test of rice blastamide and tricyclazole compounded against rice blast fungus

[0019] Test object: rice blast fungus (collected from the field and separated and purified)

[0020] Test method: potted plant method. Rice seedlings at the three-leaf stage with consistent growth vigor were selected, 2 seedlings per pot, and 5 pots were selected for each treatment. The rice blast fungus was cultured on the tomato juice oat agar medium, and after spore production, the spores were washed with sterile water, filtered with double-layer gauze and made into 1×10 5 spores / mL of the spore suspension was evenly sprayed and inoculated on the test rice seedlings, and after the inoculation, they were covered with a black plastic bag to moisturize and cultivate for 24 hours. After 24 hours of inoculation, medicament treatment was carried out, and 5 concentration gradients were set for each medicament, and sprayed with a Potter spray tower at a pressure of 50 PS...

Embodiment 1

[0036] Embodiment 1: 33% rice blastamide tricyclazole wettable powder

[0037] Blasticamide 30%, Tricyclazole 3%, Sodium Dodecyl Sulfonate 2%, Sodium Lignosulfonate 3%, NNO 5%, White Carbon Black 10%, Kaolin supplemented to 100%.

Embodiment 2

[0038] Embodiment 2: 48% rice blastamide tricyclazole wettable powder

[0039] Blasticamide 40%, tricyclazole 8%, NNO 5%, sodium lignosulfonate 5%, pull-off powder 0.5%, diatomaceous earth to make up to 100%.

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Abstract

The invention relates to a sterilizing composition. Effective components of the sterilizing composition include fenoxanil and tricyclazole, and the balance of auxiliary components which is allowed to be used and is acceptable in pesticide, wherein the mass ratio of the fenoxanil to tricyclazole is 30:1-1:70, and a better ratio is 10:1-1:20. The sterilizing composition can be prepared into any preparation form used in agriculture by utilizing known methods, wherein better preparation forms include wettable powder, suspending agent, oil suspending agent and water dispersible granule. The mixing of the fenoxanil and the tricyclazole has obvious synergism and is mainly used for preventing and treating rice diseases.

Description

technical field [0001] The invention relates to a fungicidal composition, especially a fungicidal composition containing blastamide and tricyclazole, which is mainly used for preventing and treating rice blast. Background technique [0002] Rice blast is one of the important diseases of rice, which has a large area of ​​occurrence, high prevalence, and serious damage. It seriously affects the yield and quality of rice, and brings great losses to rice production. In recent years, with the long-term single use of traditional pesticides such as rice blastin and tricyclazole, the resistance of rice blast fungus has become more and more serious, which has become a major problem in chemical control. [0003] Fenoxanil is a new type of high-efficiency amide fungicide with good systemic and long-lasting effects. It prevents the infection of Magnaporthe grisea by inhibiting the penetration from appressoria, and contributes to the biosynthesis of melanin. Dehydrogenase inhibitors. B...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N39/04A01P3/00
Inventor 刘胜召张承来殷如龙张洪曹明章孔建
Owner SHENZHEN NOPOSION AGROCHEM
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