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Pesticide composition containing tetramycin and mandipropamid

A technology of bispropamid and pesticide composition, applied to pesticide composition and its application field, can solve problems such as unsatisfactory, easy to produce drug resistance control effect, etc., and achieves reduction of auxiliary agents, reduction of energy consumption, and prolongation of service life Effect

Inactive Publication Date: 2016-03-16
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, good quick-acting and long-lasting effect, which is not easy to produce drug resistance and is safe for crops. , a pesticide composition containing tetramycin and mandiprodil, which is beneficial to the realization of integrated pest management

Method used

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  • Pesticide composition containing tetramycin and mandipropamid
  • Pesticide composition containing tetramycin and mandipropamid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Indoor toxicity test of mixture of tetramycin and mandiprodil 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...

Embodiment 2

[0028] Example 2: 30% tetramycin·mandiprodil suspension.

[0029] Tetramycin 0.5% (active ingredient), mandipropamid 29.5% (active ingredient), fast T2% (wetting agent), ethylene glycol 2% (antifreezing agent), deionized water to make up to 100% ( filler). The raw materials are weighed according to the weight ratio, mixed and stirred to dissolve, and 30% tetramycin·mandiprodil suspension concentrate is prepared.

Embodiment 3

[0030] Example 3: Field efficacy test of 30% tetramycin·mandiprodil suspension concentrate for controlling cucumber damping-off.

[0031] The test site was Bei Village, Renshan Town, Huidong County, Huizhou City, Guangdong Province. The drug was mixed with water and sprayed 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 prevention and treatment of cucumber damping-off disease, 30% tetramycin mandipropamid suspension active ingredient dosage 80 ~ 100 grams / hectare 5 days after the drug, 10 days control effect 75.26 ~ 78.59%, 84.09-89.27%, the control effect is obviously better than a single dose of 23.4% mandipropamid suspension concentrate and 0.15% tetramycin suspension concentrate, and the medicines have no adverse effects on rice.

[0033] Table 2. 30% tetramycin·mandiprodil suspension concentrate control of cucumber damping-off field efficacy test resu...

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Abstract

The invention discloses pesticide composition containing tetramycin and mandipropamid. The effective components of the pesticide composition comprise tetramycin and mandipropamid in the weight ratio being (1:1)-(1:200), and the total weight of the tetramycin and the mandipropamid accounts for 5%-50% of that of the composition. The pesticide composition can be processed into suspending agents and is applicable to control of cucumber damping-off; the dosage of the pesticide is reduced, the pesticide use times are reduced, the use cost of the pesticide composition 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 mandipropamid 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 domestic registered products are: 1) 0.3% tetramycin suspension concentrate, prevent and treat poplar canker; 2) 0.15% tetramycin suspension c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01P3/00A01G7/06A01G13/00A01N37/36
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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