Bactericidal composition containing metrafenone and meptyldinocap

Abstract

The invention discloses a bactericidal composition containing metrafenone and meptyldinocap and application thereof. The bactericidal composition consists of a first active ingredient metrafenone and a second active ingredient meptyldinocap, wherein the weight ratio of the first active ingredient to the second active ingredient is 1:80-80:1, preferentially 1:50-50:1. The sum of the first active ingredient content and the second active ingredient content is 1%-80% of the total weight of the composition, preferentially 10%-60%. The composition can be prepared into missible oil, a micro-emulsion, an emulsion in water, micro capsules, an aqueous solution, a suspending agent, a dispersible oil suspending agent, wettable powder and water dispersible granules which are agriculturally allowable. The bactericidal composition is reasonable in ingredient and good in bactericidal effect, and the activity and the bactericidal effect of the bactericidal composition are not the simple activity sum of the ingredients. Compared with an existing single preparation, the bactericidal composition has remarkable synergistic effect besides the remarkable bactericidal effect, has high safety to crops and has remarkable prevention and control effect on powdery mildew.

Description

technical field [0001] The invention relates to a bactericidal composition, which is composed of the first active ingredient metrafenone, the second active ingredient metrastrobin and auxiliary agents, and belongs to the technical field of compound pesticides. Background technique [0002] Metrafenone, the English name is metrafenone, and the chemical name is 3'-bromo-2,3,4,6'-tetramethoxy-2',6-dimethylbenzophenone. The benzophenone fungicides developed by BASF in Germany were first created in 1998 by the American cyanamide company (now owned by BASF). It has been registered in many countries since 2003 and launched in Chile in 2009. It has the functions of protection, treatment, eradication and inhibition of sporulation for various types of powdery mildew. It can strongly inhibit the germination of pathogenic bacteria steamed buns at low mass concentrations. It is different from the mechanism of action of known commercial fungicides. It has been reported that the mechanis...

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Problems solved by technology

[0004] After searching, the applicant found that there is no bibliographical report on the mixing of metrastrobin and metrastrobin to prevent and control crop powdery mildew. Further experiments have found that the compounding of metrafenone and metrastrobin with different mechanisms of action has obvious The synergistic effect can significantly improve the control effect on powdery mildew, reduce the amount of medicine, reduce the cost of control, and have high safety for crops

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