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Sterilizing blend

A compound agent and preparation technology, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of increasing the cost of farmers' use of environmental pollution and other problems, and achieve low cost, good control effect, and delay the occurrence of resistance Effect

Inactive Publication Date: 2009-12-16
车志忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with years of use, the resistance of the compound has become more obvious year by year, and the amount of use per mu has also increased year by year, which is bound to increase the cost of use for farmers and the risk of environmental pollution

Method used

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  • Sterilizing blend

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Table 1 Indoor bacteriostatic test of hymexyl and mefenaxyl compound and single agent (rice blight)

[0025] Processing combination

[0026] The indoor antibacterial test results shown in Table 1 show that the co-toxicity coefficients of the mixtures of hymexyl and metalaxyl constructed according to several ratios, except 1:5, 1:3, and 9:1, All are greater than 100, indicating that the constructed (3:1, 5:1) has a synergistic effect. Among several ratios, the co-toxicity coefficient of 1:5 is the largest. From the co-toxicity coefficient and economic considerations, it is recommended to choose 5:1 Proportioning, that is, the total active ingredient content of the two medicaments is 3.0%, including 2.5% hymexyl and 0.5% mefenaxyl.

Embodiment 2

[0028] Table 2 Field disease control effect of 3.0% Jingjia·hymexazol water agent at different concentrations

[0029] deal with

[0030] It can be seen from Table 2 that the 3.0% Jingjia·Hymexazol water agent has a good control effect on rice blight, and the efficacy also increases with the increase of the dosage.

Embodiment 3

[0032] Take 2.53 parts of hymexyl 99% former medicine, 0.56 part of metalaxyl 90% former medicine, add 3.0 parts of ethanol, 4.0 parts of ethylene glycol, 3.0 parts of calcium lignosulfonate, 0.5 part of sulfuric acid, 86.5 parts of water, Add them together into the mixing tank, stir until the original drug is completely dissolved, and obtain the 3.0% Jingjia·hymexazol aqueous solution of the present invention.

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Abstract

The invention discloses a sterilizing blend, comprising hymexazol and mefenoxam with parts ratio by weight being 2.5 to 25:0.5 to 5. The invention has advantages of good control effect to rice wilt in seedling stage, low cost of agricultural chemicals, capability of delaying generation of resistibility, non-pollution to environment as both hymexazol and mefenoxam being low-toxic pesticide, and good control effect to blight, damping-off diseases and root rot diseases of various vegetables and fruits.

Description

technical field [0001] The invention relates to a bactericidal compound agent suitable for rice to prevent and cure blight at the seedling stage of rice and various vegetables, melon and fruit wilt, damping-off and root rot. Background technique [0002] Rice blight is a major disease that poses a great threat during the seedling raising period. It is mostly caused by the infection of pathogenic fungi in the soil due to the influence of adverse environment. There are different degrees of occurrence every year. Mild occurrence causes the growth of seedlings to weaken and the roots to grow sluggishly. Severe occurrence of seedlings withers and turns yellow to death, resulting in insufficient seedlings, delaying farming time, and affecting rice production. [0003] In agriculture, the main agent currently used to prevent and control rice blight is the compound of hymexyl and metalaxyl. The effect of the compound agent on preventing and treating rice blight is recognized, and t...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N37/46A01P3/00
Inventor 车志忠
Owner 车志忠
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