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Fungicides for preventing and treating citrus huanglongbing and their uses

A technology of citrus huanglongbing and fungicides, applied in the field of fungicides for the prevention and treatment of citrus huanglongbing, to reduce costs, improve quality, and solve the effects of no medicine to prevent

Active Publication Date: 2017-04-26
JIANGSU BAOLING CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has not been reported yet for the prevention and treatment of citrus huanglongbing.

Method used

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  • Fungicides for preventing and treating citrus huanglongbing and their uses

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Copper pyrithione 50g, phenethylphenol polyoxyethylene ether phosphate 3g, alkylphenol polyoxyethylene ether 2g, antifreeze agent ethylene glycol, 0.2g, dispersant fatty alcohol polyoxyethylene ether 5g, antifreeze Settling agent xanthan gum 1g, silicone defoamer 0.1g, appropriate amount of water, mixed, wet grinding, homogenization, deployment, to prepare a suspension.

Embodiment 2

[0019] Add 50 g of copper pyrithione, 8 g of sodium lignosulfonate, 4 g of sodium methylene bis-naphthalene sulfonate as a diffusing agent, and white carbon black to 100 g. The mixture is jet-milled to obtain a wettable powder.

Embodiment 3

[0021] Add 30g of copper pyrithione, 7g of calcium dodecylbenzenesulfonate, 8g of phenylethylphenol polyoxyethylene polyoxypropylene polyoxyethylene ether, 8g of cyclohexanone, and No. 100 solvent oil to make up to 100g. Mix, add to the enamel preparation kettle with a stirrer and stir, raise the temperature to 40°C, keep it warm for half an hour, put it into the enamel static pot and let it stand still to obtain emulsifiable cream.

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Abstract

The invention discloses a bactericide for prevention and treatment of citrus yellow shoot and application of the bactericide. An effective constituent is copper pyrithione, zinc pyrithione or sodium pyrithione. The bactericide is efficient, safe and environment-friendly, has a good prevention effect, is capable of improving crop yield, improving the fruit quality and lowering the cost, and is good for delaying germ drug resistance generation, has prevention and treatment effects on citrus yellow shoot and can solve the problem that no drug can prevent the citrus yellow shoot currently.

Description

technical field [0001] The invention relates to a fungicide for preventing and treating citrus huanglongbing. Background technique [0002] Citrus Huanglongbing is a devastating disease of citrus production in the world. It is caused by a Gram-negative bacterium limited to the phloem and can infect a variety of Rutaceae plants, including Citrus, Citrus, Aurantium and Murata. . The disease is mainly distributed in nearly 50 countries and regions in Asia, Africa, Oceania, South America and North America, and 11 of China's 19 citrus producing provinces (municipalities, autonomous regions) have been affected by the disease, seriously restricting the development of the citrus industry. healthy growth. [0003] At present, in production, the prevention and control of the disease mainly takes measures such as quarantine, cultivation of disease-free seedlings, prevention and control of citrus psyllids, digging out diseased plants, and isolation of planting. There is no medicament...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/40A01P1/00
Inventor 朱文新虞卉黄坤敏李青陆霁红
Owner JIANGSU BAOLING CHEM
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