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Germicide composition

A composition, the technology of myclobutanil, applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of high production and use costs of fluazinam, high risk of resistance, etc., to improve drug efficacy, overcome and Bacteria resistance, the effect of increasing the site of action

Active Publication Date: 2011-03-16
DONGGUAN RUIDEFENG BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the current production and use costs of fluazinam are relatively high, and long-term use alone also has a great risk of resistance

Method used

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  • Germicide composition
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0045] The composition of the present invention has obvious synergistic effect on powdery mildew bacteria, etc., not just the simple addition of the effects of the two agents, which can be clearly seen from the results of the following toxicity test. Biological Assay Example 1: Indoor Toxicity Determination of Compositions against Cucurbit Powdery Mildew

[0046] The test object is cucumber powdery mildew (Sphaerotheca fuliginea).

[0047] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1156.11-2008". Two cucumber seedlings at the true leaf stage were selected in pots with the same growth potential, and 5 pots were selected for each treatment, and the numbers were reserved for future use. Spray with a Potter spray tower at a pressure of 50PSI, 5mL per pot. For the test treatments, see Table 1, Table 2, and Table 3, and 5 concentration gradients were set for each drug. After 24 hours, the inoculation concentration was 3×10 5 spores / mL of...

Embodiment 1、30

[0075] Embodiment 1, 30.3% fluazinam · myclobutanil emulsifiable concentrate

[0076] Fluazinam 30%, myclobutanil 0.3%, Nongru No. 500 2% (emulsifier), and xylene (solvent) were supplemented to 100%.

Embodiment 1

[0077] Embodiment 1, 500 g / liter fluazinam suspending agent, 12.5% ​​myclobutanil emulsifiable concentrate carry out field efficacy test according to active ingredient 150 g / ha, 200 g / ha, 75 g / ha respectively, to cucumber powdery mildew after drug treatment The 7-day control effects were 91.37%, 82.39% and 79.09%, respectively, and the control effects of the composition were obviously better than those of the single agents.

[0078] The results of each treatment to control cucumber powdery mildew

[0079]

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Abstract

The invention discloses a germicide composition. The germicide composition consists of an active ingredient (A), namely fluazinam, and an active ingredient (B), namely any one of myclobutanil, difenoconazole, tebuconazole, propiconazol, hexaconazole, flutriafol, metconazole, epoxiconazole, flusilazole, fluquinconazole, tetraconazole, triadimenol, triadimefon, diniconazole, penconazole and cyproconazole, wherein the mass ratio of A to B is 1:100-100:1. The composition has obvious synergistic effect and high prevention effect, and is applied to the prevention and control of various diseases of fruits and vegetables, particularly the prevention and control of powdery mildew.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to the application of a bactericidal composition mainly composed of fluazinam and triazole bactericides. Background technique [0002] Powdery mildew is a plant disease caused by fungi of the family Erysiphacesae. Mostly ectoparasitic, all or most of the mycelium is exposed on the surface of the leaves, stems, shoots, buds, flowers and fruits of the host plant, and produces a large number of mycelia, conidiophores and conidia white powder visible to the naked eye. [0003] Powdery mildew is widespread all over the world, especially in dicotyledonous plants. The main powdery mildews in China include cereal powdery mildew caused by Ery-siphe graminis; powdery mildew of melons, beans, hemp and other plants caused by Sphaerotheca fuliginea Grape powdery mildew caused by Uncinula necator; Powdery mildew of more than 80 kinds of trees such as mulberry, pear, persimmon, walnut, chestnut, li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/40A01N55/10A01P3/00
Inventor 张承来曹明章王新军李广泽
Owner DONGGUAN RUIDEFENG BIO TECH
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