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A kind of agricultural fungicide composition

A composition and biocide technology, applied in the directions of fungicides, biocides, chemicals for biological control, etc., can solve problems such as easy generation of resistance, and achieve improved efficacy, increased action sites, and delayed The effect of bacterial resistance

Active Publication Date: 2015-08-12
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, chemical control is the key measure to prevent and control plant diseases and insect pests. It is even the only effective measure when faced with the emergency of diseases, insects, weeds, and pests. However, long-term single use of certain pesticide ingredients can easily lead to resistance

Method used

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  • A kind of agricultural fungicide composition
  • A kind of agricultural fungicide composition
  • A kind of agricultural fungicide composition

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Bioassay Example 1: Indoor Toxicity Determination of Prothioconazole and Zhongshengmycin to Cucumber Powdery Mildew

[0019] Test object: Cucumber powdery mildew (Sphaerotheca fulignea), collected from the field, cultivated in an artificial climate chamber.

[0020] Test method: refer to the "Agricultural Industry Standards of the People's Republic of China" (indoor bioassay test guidelines for pesticides and fungicides NY / T1156.11-2008 and NY / T1156.6-2006), and adopt the pot method.

[0021] Choose cucumber seedlings with 2 complete true leaves and consistent growth, and cut off the growth point. Each treatment of 5 pots of cucumber seedlings, repeated 5 times. Write the label number with a marker pen, insert it into the potted seedlings, and arrange them in sequence for testing. After spraying for 24h, inoculate the conidia suspension of Cucumber powdery mildew (spore concentration 1×10 5 spores / ml). After inoculation, the test materials were moved to the greenhou...

example 2

[0030] Bioassay Example 2: Indoor Toxicity Determination of Prothioconazole and Zhongshengmycin to Wheat Powdery Mildew

[0031] Test object: wheat powdery mildew (Erysiphe graminis), collected from wild wheat powdery mildew strains in the field, and separated and purified.

[0032] Test method: This test refers to the "Agricultural Industry Standards of the People's Republic of China" (Pesticide Indoor Bioassay Test Guidelines for Fungicides NY / T1156.4-2006), and the pot plant method is used.

[0033] 24 hours after the chemical treatment, the fresh spores of powdery mildew bacteria produced on the leaves of the diseased wheat within 24 hours were evenly shaken off and inoculated on the potted wheat seedlings at the 2-3 leaf stage. Dry naturally, cultivate and observe under suitable conditions. There were 3 pots per treatment, 10 plants per pot, and the treatment without pesticide was used as the blank control. After 10 days, the control effect of the test agents on wheat p...

Embodiment 1

[0045] Formulation example 1: 82% prothioconazole Zhongshengmycin wettable powder

[0046] Formula composition: active ingredient prothioconazole 80%, active ingredient Zhongshengmycin 2%, sodium lauryl sulfate (wetting agent) 3%, naphthalenesulfonate (diffusion agent) 3%, lignosulfonic acid Sodium (dispersant) 5%, kaolin (filler) make up to 100%.

[0047] Example of Suspending Concentrate

[0048] Mix the pesticide active ingredient, dispersant, wetting agent, thickener, defoamer, preservative, antifreeze agent and water according to the ratio of the formula, and then grind and / or high-speed shear to obtain suspension agent products.

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PUM

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Abstract

The invention discloses an agricultural sterilizing composition comprising effective components including prothioconazole and zhongshengmycinin in the mass ratio of 40:1 to 1:40 and the balance of auxiliary components allowable to use and acceptable in a pesticide. The composition disclosed by the invention can be prepared into an emulsion in water, a suspending agent, a micro-capsule suspending agent, missible oil, wettable powder or water dispersible granules by using known methods. After prothioconazole and zhongshengmycinin are compounded according to a certain ratio, a remarkable synergistic effect is taken, and the agricultural sterilizing composition is mainly used for preventing and controlling cucumber powder mildew and wheat powdery mildew.

Description

technical field [0001] The invention belongs to the technical field of pesticide compounding, and relates to an agricultural bactericidal composition, in particular to an agricultural bactericidal composition containing prothioconazole and its application for preventing and controlling crop diseases. Background technique [0002] Prothioconazole, English common name: prothioconazole, molecular formula: C 14 h 15 Cl 2 N 3 OS, a triazolethione fungicide developed by Bayer CropScience, is an ergosterol biosynthesis inhibitor. It has strong systemic, protective, therapeutic and eradicating activities, and has a long-lasting effect and a wide bactericidal spectrum. It is mainly used to prevent and control many diseases on cereals, wheat, beans, sugar beets and field vegetable crops. [0003] At present, chemical control is the key measure to prevent and control plant diseases and insect pests. It is even the only effective measure when faced with the emergency of diseases, in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/18A01P3/00A01N43/653
Inventor 孙承艳张华东赵娜仲旭云王新军曹明章孔建
Owner SHENZHEN NOPOSION AGROCHEM
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