Pesticide composition containing tetramycin and propamocarb

A pesticide composition, a technology of propamocarb, which is applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve the problems of easy to produce drug resistance control effects, unsatisfactory effects, etc., to reduce energy consumption, reduce Additives, the effect of prolonging the service life

Inactive Publication Date: 2016-03-30
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of easy occurrence of drug resistance in the existing pesticide application technology and the unsatisfactory actual control effect, to provide a high-efficiency, low toxicity,

Method used

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  • Pesticide composition containing tetramycin and propamocarb
  • Pesticide composition containing tetramycin and propamocarb

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Indoor toxicity test of tetramycin mixed with propamocarb against Pythium delhii.

[0023] Referring to the standard bioassay method NY / T1156.2-2006, the drug-containing medium method is adopted: take 6 mL of the drug solution with a series concentration of each single agent and mixed agent, add it to 54 mL of PDA medium cooled to 45 ° C, and prepare the A plate of drug-containing media is required at the final concentration. Then, a 6mm-diameter hyphae piece was prepared from the edge of the target bacterial colony cultured for 7 days, and moved to each series of drug-containing medium, with the hyphae facing down, and each treatment was repeated 4 times. After the treatment, they were cultured in a constant temperature biochemical incubator at 25±1°C. After 3 days, the medium plate was taken out, and the colony diameter of each treatment was measured by the cross method, and the mycelial growth inhibition rate of each treatment was calculated.

[0024] Ac...

Embodiment 2

[0028] Example 2: 50% tetramycin·propamocarb aqueous solution.

[0029] Tetramycin 0.3% (active ingredient), propamocarb 49.7% (active ingredient), organic silicon 2% (wetting agent), urea 1% (antifreezing agent), and deionized water to make up to 100% (filler). The raw materials are weighed according to the weight ratio, mixed and stirred to dissolve, and 50% tetramycin·49.9% propamocarb aqueous solution is prepared.

Embodiment 3

[0030] Example 3: Field efficacy test of 50% tetramycin·propamocarb aqueous solution for controlling cucumber damping-off.

[0031] The test site is Runbei Village, Renshan Town, Huidong County, Huizhou City, Guangdong Province. The drug was sprayed with water at the early stage of cucumber damping-off, and the control effect was investigated 5 days and 10 days after the application.

[0032] As can be seen from Table 2, the control of cucumber damping-off disease, 0.3% tetramycin 49.7% propamocarb active ingredient dosage 600 ~ 800 grams / hectare 5 days after the drug, 10 days control effect 80.57 ~ 83.82%, 83.31-87.04%, the control effect is obviously better than a single agent of 772 g / L propamocarb water agent and 0.15% tetramycin water agent, and the agents have no adverse effects on rice.

[0033] Table 2. Field efficacy test results of 50% tetramycin·propamocarb aqueous solution for controlling cucumber damping-off.

[0034]

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PUM

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Abstract

The invention discloses pesticide composition containing tetramycin and propamocarb. The pesticide composition comprises effective ingredients including the tetramycin and the propamocarb in the weight part ratio of 1:10-1:320, and the sum of the weight of the tetramycin and the weight of the propamocarb accounts for 10%-80% of the weight of the composition. An aqueous solution can be prepared from the pesticide composition, and the pesticide composition is applicable to control of damping-off of cucumbers; with the adoption of the pesticide composition, the dosage of pesticides is decreased, the number of pesticide usage times is decreased, the pesticide usage cost is reduced, and the pesticide composition is safe to crops.

Description

technical field [0001] The invention relates to a pesticide composition and its application field, in particular to a pesticide composition with tetramycin and propamocarb as active ingredients. Background technique [0002] Pythium delliense (Bythium deliense Meurs.) belongs to the flagellate subdivision fungus, infecting cucumber and causing it to suffer from damping-off disease, which seriously affects cucumber production. In order to effectively control Pythium delhii and protect crops from losses caused by Pythium delhii in the production process, previous researchers have prepared a variety of compounds and preparations for the prevention and control of Pythium delhii, many of which have been disclosed in the literature, and a large number of Chemicals are already used in reality. [0003] Tetramycin (tetramycin), the current registered products in China are: 1) 0.3% tetramycin aqueous solution to prevent and treat poplar canker; 2) 0.15% tetramycin aqueous solution t...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01N43/90A01P3/00
CPCA01N47/12A01N43/90A01N2300/00
Inventor 陈佛祥张志伟吴泽伟朱刚王礼文颜石雷
Owner GUANGDONG ZHONGXUN AGRI TECH
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