Compound bactericidal composition for preventing and controlling soft rot of kiwifruits

A composition and antifreeze technology, applied in the direction of fungicides, biocides, biocides, etc., to achieve the effect of safe use and good poisonous activity

Inactive Publication Date: 2018-12-04
GUIZHOU DAOYUAN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no application for a fungicidal composition compounded with prothiozole and isothiazolone to control kiwifruit soft rot

Method used

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  • Compound bactericidal composition for preventing and controlling soft rot of kiwifruits
  • Compound bactericidal composition for preventing and controlling soft rot of kiwifruits
  • Compound bactericidal composition for preventing and controlling soft rot of kiwifruits

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Take Guizhou Daoyuan Biotechnology Co., Ltd. to produce 1.0 kg of prothiazol with a mass fraction of 98%, and then take 2.0 kg of isothiazolinone liquid product with a mass fraction of 15% produced by Shandong Delan Chemical Co., Ltd. for compounding Become the base material of the composite bactericidal composition of 3.0 kg preventing and treating kiwifruit soft rot;

[0044] Take 600-1 0.4 kg of wetting and dispersing agent agricultural milk, 0.02 kg of thickening agent xanthan gum, 0.4 kg of antifreeze ethylene glycol, and 0.05 kg of defoaming agent methanol, and add water together with the base material until 10kg, to obtain control kiwifruit The compound bactericidal composition of soft rot disease 10kg.

Embodiment 2

[0046] Take Guizhou Daoyuan Biotechnology Co., Ltd. to produce 2.0 kg of prothiazol with a mass fraction of 98%, and then take 2.0 kg of isothiazolinone liquid product with a mass fraction of 15% produced by Shandong Delan Chemical Co., Ltd. for compounding Become the base material of the compound bactericidal composition of 4.0 kg preventing and treating kiwifruit soft rot;

[0047] Take 600-1 0.4 kg of wetting and dispersing agent agricultural milk, 0.02 kg of thickening agent xanthan gum, 0.4 kg of antifreeze ethylene glycol, and 0.05 kg of defoaming agent methanol, and add water together with the base material until 10kg, to obtain control kiwifruit The compound bactericidal composition of soft rot disease 10kg.

Embodiment 3

[0049] Take Guizhou Daoyuan Biotechnology Co., Ltd. to produce 2.0 kg of prothiazol with a mass fraction of 98%, and then take 1.0 kg of isothiazolinone liquid product with a mass fraction of 15% produced by Shandong Delan Chemical Co., Ltd., and compound Become the base material of the composite bactericidal composition of 3.0 kg preventing and treating kiwifruit soft rot;

[0050] Take 600-1 0.4 kg of wetting and dispersing agent agricultural milk, 0.02 kg of thickening agent xanthan gum, 0.4 kg of antifreeze ethylene glycol, and 0.05 kg of defoaming agent methanol, and add water together with the base material until 10kg, to obtain control kiwifruit The compound bactericidal composition of soft rot disease 10kg.

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PUM

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Abstract

The invention discloses a compound bactericidal composition for preventing and controlling soft rot of kiwifruits. The compound bactericidal composition is an aqueous suspension and comprises an active ingredient and auxiliaries, wherein the active ingredient is obtained by compounding prothioconazole with isothiazolinone base materials; the auxiliaries include a wetting dispersant, a thickener, an anti-freezing agent and a defoaming agent; and the mass percentages of all the components are as follows: 5%-50% of active ingredient, 2%-6% of wetting dispersant, 0.1%-0.4% of thickener, 3%-5% of anti-freezing agent and 0.4%-0.6% of defoaming agent, and water is added to be up to100%. The mass ratio of prothioconazole to isothiazolinone in the active ingredient is 1:4-4:1. After the two base materials are compounded, the composition disclosed by the invention is obviously doubled and safe in use and has good toxic activity for main pathogenic bacteria including botryosphaeria, lasiodiplodiaand Neofusicoccum parvum resulting in the soft rot of the kiwifruits, and the toxic activity is higher than that of single of prothioconazole with isothiazolinone. The compound bactericidal composition is suitable for preventing and controlling the soft rot of kiwifruits planted in rural areas.

Description

technical field [0001] The invention relates to fungicides, specifically, it belongs to fungicides containing organic compounds, and further, it belongs to fungicide compositions for preventing and treating kiwi fruit soft rot. technical background [0002] Kiwifruit soft rot disease mainly occurs in the post-ripening stage of kiwi fruit after harvest. The pulp inside the fruit becomes soft and rots, losing its edible value. It is manifested by a small finger-sized depression in the pulp, and the epidermis of the depression is peeled off. The center of the diseased part is milky white. The surrounding is yellow-green, and the periphery is dark green in a ring shape, and the pulp is soft and rotten. The fungus of kiwifruit soft rot survives the winter on dead branches and fruit stems with mycelium, conidia and asthecia. After overwintering, the mycelium and pycnidia resume their activities in the second spring and become the source of primary infection. Rainwater is the main...

Claims

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Application Information

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IPC IPC(8): A01N47/18A01N43/80A01N25/04A01P3/00
CPCA01N47/18A01N25/04A01N43/80
Inventor 陈华保刘建民张国利
Owner GUIZHOU DAOYUAN BIOTECH
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