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Pesticide composition containing tetramycin and sedaxane

A fluoxafen-pesticide composition technology, applied in the directions of fungicides, biocides, animal repellents, etc., can solve the problems of dead leaves, difficult elongation of new leaves, large losses, etc., and achieves a lasting period Long, overcoming resistance, prolonging the effect of life

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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It occurs to varying degrees in the southern and northern rice regions of my country. In the popular year, the yield is generally reduced by 10-20%, and the severe reduction is as high as 40-50%. It is in the shape of fire. Although some rice plants do not die, the new leaves drawn out are not easy to elongate. The plants shrink and do not head or pull out short ears. The disease occurs during the booting and heading stage, and severe knot blast and neck blast occur, which can cause a large number of white ears or half white ear, great loss

Method used

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  • Pesticide composition containing tetramycin and sedaxane
  • Pesticide composition containing tetramycin and sedaxane
  • Pesticide composition containing tetramycin and sedaxane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: Indoor toxicity test of tetramycin·fluxazone against pathogenic rice pear spore (Pyricularia oryzae Cav.).

[0029] The test objects were collected from the rice blast in the field, and the method was referred to "The Agricultural Industry Standard of the People's Republic of China NY / T 1156.4-2006". According to Sun Yunpei's method, the synergistic effect of drug mixture is evaluated according to the co-toxicity coefficient (CTC), that is, CTC≤80 is synergistic antagonism, 8050 / EC of test agent 50 ) × 100; Theoretical toxicity index TTI = the toxicity index of A agent × the percentage content of A agent in the mixture + the toxicity index of B agent × the percentage content of B agent in the mixture; co-toxicity coefficient (CTC) =[Actual Toxicity Index (ATI) of Mixture / Theoretical Toxicity Index (TTI) of Mixture]×100

[0030] Table 1. Indoor toxicity test results of tetramycin·fluxazone against pathogenic rice pear spore (Pyricularia oryzae Cav.).

[00...

Embodiment 2

[0034] Example 2: 10% tetramycin·fluxazone suspension.

[0035]

[0036]

[0037] The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare a 10% tetramycin·fluxazone suspension.

Embodiment 3

[0038] Example 3: 10% tetramycin·fluxazone microemulsion.

[0039]

[0040] Dissolve fluvaxamin with acetone first, then add methanol, 602, MP-10, tetramycin, and deionized water in sequence, each single material needs to be stirred for 20 minutes before adding, and 10% tetramycin·fluxazone can be made cycloheximide microemulsion.

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PUM

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Abstract

The invention discloses a pesticide composition containing tetramycin and sedaxane. The pesticide composition comprises an inert ingredient, tetramycin and the sedaxane; the ratio of the parts by weight of the tetramycin to the sedaxane ranges from 1:1 to 1:80, and the total weight of the tetramycin and the sedaxane in the composition ranges from 1% to 80%; the tetramycin and the sedaxane have the obvious synergistic interaction effect on pathogen fungi after being compounded, and the pesticide composition is suitable for preventing and treating crop diseases caused by the pathogen fungi, and is particularly suitable for preventing and treating rice blast caused by pyricularia oryae.

Description

technical field [0001] The bactericidal composition of the present invention uses tetramycin and fenfluxamin as active ingredients, and is suitable for preventing and treating crop diseases caused by Pyricularia oryzae Cav., especially rice blast. Background technique [0002] Tetramycin is a biopesticide produced by Streptomyces ahygroscopicus subsp.Wuzhouensis n.subsp through submerged fermentation of strains. It induces crop resistance by inhibiting the growth of hyphae and promotes crop resistance. It grows to achieve the purpose of prevention and control, and is suitable for the prevention and control of various fungal and bacterial diseases of various forest trees. [0003] Fluxazone is a systemic fungicide, which can inhibit the normal respiratory process of target pathogenic bacteria, and has good therapeutic and protective effects. [0004] Rice blast is one of the four major diseases of rice. It is caused by Phyricularia grisea (Cooke) Sacc. Pyricularia oryae Cav....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01P3/00A01N43/56
Inventor 陈佛祥张志伟朱刚吴泽伟王礼文
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