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Composition for preventing and controlling candidatus liberobacter asiaticum and preparation method thereof

A composition, Huanglong's technology, applied in botany equipment and methods, pest control, animal repellent, etc., can solve the problems of impractical large-scale application, poor selectivity, and low activity

Inactive Publication Date: 2018-11-27
邓方坤 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are defects of low activity and poor selectivity
Cannot be practically applied on a large scale

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Provide a composition for preventing and treating Huanglongbing, the content of each component is: benzyl isothiocyanate 10g, diallyl trisulfide 10g, DMF 20g, vegetable oil 100g, mineral oil 38g, styrylphenol polyoxygen Vinyl ether 20g, azone 2g, naphthaleneacetic acid 0.2g. Mix 10g of benzyl isothiocyanate and 10g of allicin (diallyl trisulfide), then add 20g of DMF, 100g of vegetable oil, 38g of mineral oil, 20g of styrylphenol polyoxyethylene ether, 2g of azone, and The 0.2 g mixture of orcin lactone is uniformly prepared as a composition for preventing and treating Huanglongbing.

[0033] Implementation example two:

[0034] A composition for preventing and treating Huanglongbing is provided, and the contents of each component are: 10g of glucuronide, 10g of diallyl disulfide, 20g of DMF, 90g of vegetable oil, 48g of mineral oil, 20g of styrylphenol polyoxyethylene ether, Azone 2g, naphthaleneacetic acid 0.2g. Mix 10g of glucocorticoids and 10g of diallyl disulfi...

Embodiment 3

[0036] A composition for preventing and treating Huanglongbing is provided, the contents of each component are: 10g of sulfur, 10g of benzhydryl trisulfide, 10g of DMF, 110g of vegetable oil, 38g of mineral oil, 20g of styrylphenol polyoxyethylene ether, Azone 2g, naphthaleneacetic acid 0.2g. Mix 10g of sulfur and 10g of benzhydryl trisulfide, then add 10g of DMF, 110g of vegetable oil, 38g of mineral oil, 20g of styrylphenol polyoxyethylene ether, 2g of azone, and 0.2g of indole acetic acid to prepare a uniform mixture for the control of Composition of huanglongbing.

Embodiment 4

[0038] The effect of spraying methods on the control of Huanglongbing was tested in Ningdu navel orange orchard in Ganzhou, Jiangxi.

[0039] The control targets are navel orange trees that have been diagnosed with Huanglongbing for 4 years. The composition for preventing and treating Huanglongbing obtained in Example 1 was diluted 100 times with water, and prepared as a spray liquid. When spraying, spray the entire tree evenly and thoroughly. A group of experiments sprayed 5 trees and calculated the average value. The control group was not sprayed. The diseased leaves were randomly collected before spraying, and the content of Huanglongbing bacteria in the diseased leaves was detected according to the national standard GB / T28062-2011 real-time fluorescent PCR detection method for citrus Huanglongbing. After spraying for 7 days, 15 days, and 30 days, the leaves were taken randomly again, and the content of Huanglongbing bacteria in the diseased leaves after spraying was det...

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PUM

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Abstract

The invention discloses a composition for preventing and controlling candidatus liberobacter asiaticum. The composition is prepared from a garlicin type natural product and an isothiocyanate type natural product, and other components including a plant rooting promoting growth agent, an emulsifier, a penetrant and a solvent; and the components are mixed to obtain usable missible oil. In the above manner, the composition for preventing and controlling the candidatus liberobacter asiaticum and a preparation method thereof have the advantages that two types of natural products with high candidatusliberobacter asiaticum pathogenic bacterium resisting activity are obtained through screening numerous natural products, especially natural products in Chinese herbal medicines; and fungicide prepared from the natural products is used for treating the candidatus liberobacter asiaticum and has the characteristics of high efficiency and practicability.

Description

technical field [0001] The invention relates to the field of plant disease prevention and control, in particular to a composition for preventing and treating Huanglongbing and a preparation method thereof. Background technique [0002] Huanglongbing is a disease that is extremely harmful to citrus production, and its pathogen is a Gram-negative bacterium that exclusively parasitizes in the phloem of citrus. The pathogenic bacteria of Huanglongbing spreads with the psyllid. When the psyllid carries the pathogenic bacteria of Huanglongbing and spreads to healthy citrus trees, the pathogenic bacteria will infect the roots and branches of citrus along with the sap flow of the tree. Citrus' own plant immune system is difficult to resist the infection of Huanglongbing pathogen. One year after the infection, the citrus tree was weakened and the yield was greatly reduced. After 3-5 years of infection with the huanglongbing pathogen, the tree body dies completely. [0003] Aiming ...

Claims

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Application Information

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IPC IPC(8): A01N47/46A01N41/02A01N41/00A01N37/10A01P21/00A01P1/00
CPCA01N37/10A01N41/00A01N41/02A01N47/46
Inventor 邓方坤
Owner 邓方坤
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