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Thiediazole copper and carmazine compound agent

A technology of mancozeb and thiazocopper, applied in biocides, animal repellents, plant growth regulators, etc., can solve the problem of no control effect on bacterial diseases of crops, and achieve superior control effect and excellent control effect , the effect of saving labor

Inactive Publication Date: 2008-07-09
ZHEJIANG LONGWAN CHEM
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0007] Mancozeb has excellent control effect on crop fungal diseases, but has no control effect on crop bacterial diseases

Method used

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  • Thiediazole copper and carmazine compound agent
  • Thiediazole copper and carmazine compound agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Example of Toxicity Assay

[0016] 1. Materials and methods:

[0017] 1. Tested strain: Physalospora piricola Nose

[0018] 2. Test medium: potato agar medium (PDA): 200g potato, 20g sucrose, 17g agar, 1000ml water.

[0019] 3. Reagent for testing: 20% Thiobacterium Copper Zhejiang Longwan Chemical Co., Ltd.

[0020] 70% Mancozeb American Dow Agrochemicals

[0021] 4. Test method: The test adopts the method of measuring the growth rate of bacteria in the drug-containing medium. Mix different concentrations of drug solutions into the melted PDA medium, shake well and make drug-containing medium plates with different concentration gradients. Repeat 3 times, put the pre-prepared mycelia growth vigorously on the plate of the pathogenic bacteria culture, use a puncher to cut out a bacterial plate (diameter is 4mm) at the outer edge of the colony, and transplant it to the culture medium containing the drug with a needle. In the center of the dish, it was cultured at a con...

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Abstract

The invention discloses a compound agent of thiediazole copper and mancozeb, which comprises the effective constituents of following weight ratio: the weight ratio between 20% thiediazole copper and 70% mancozeb is 1-10: 1-20; wherein comparatively good ration of the effective constituents is that the weight ratio between 20% thiediazole copper and 70% mancozeb is 1-8: 1-8; wherein optimal ration of the effective constituents is that the weight ratio between 20% thiediazole copper and 70% mancozeb is 1-4: 1-4. Since the thiediazole copper has excellent control efficiency to crop bacterial diseases, and the mancozeb has excellent control efficiency to crop fungicidal diseases, after the two pesticides are combined together, the invention can control a plurality of diseases, not only can control the bacterial diseases, but also can control the fungicidal diseases. The invention not only saves labor force, but also reduces agricultural cost. At the same time, the invention combines the diseases-control effect of the two pesticides together, improving the control efficiency.

Description

technical field [0001] The invention relates to a compound pesticide preparation, in particular to a compound agent of mancozeb. Background technique [0002] Thiobacterium copper is a common name in Chinese, its chemical name is 2-amino-5-mercapto-1,3,4-thiadiazole copper, its Chinese product name is Longke bacteria, its molecular formula is C4H4N6S4Cu, and its chemical structural formula is: [0003] [0004] Thiobacterium copper has a superior control effect on crop bacterial diseases, but its control effect on crop fungal diseases is poor. [0005] The chemical name of mancozeb is mancozeb ethylene bisdithiocarbamate, and its molecular formula is (C 4 h 6 N 2 S 4 Mn)X·(Zn)y, the chemical structural formula is: [0006] [0007] Mancozeb has excellent control effects on crop fungal diseases, but has no control effect on crop bacterial diseases. Contents of the invention [0008] The technical problem to be solved by the present invention is to provide a comp...

Claims

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Application Information

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IPC IPC(8): A01N55/02A01N47/24
Inventor 张学郎王一风王培楷张海珠张文胜姜方策
Owner ZHEJIANG LONGWAN CHEM
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