Method for radically treating citrus candidatus liberobacter

A technology for citrus Huanglongbing and citrus, which is applied in the field of radical treatment of citrus Huanglongbing, can solve the problems of difficulty in completely killing citrus psyllids, inappropriate concentration of pesticides, limited utilization of pesticides, etc. Save pesticides, the effect is remarkable

Inactive Publication Date: 2019-08-06
郑建秋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the pathogens live in the phloem, it is difficult to spray pesticides on the leaves, and the sprayed medicinal liquid will also pollute the environment; in addition, citrus psyllids often occur with the new shoots of citrus trees, and the spraying is only effective on the existing shoots of citrus trees. The psyllids that occur when new shoots grow have an effect, but have little effect on the psyllids that occur when new shoots grow after spraying. Even the best medicine uses the foliar spray method, and the utilization rate of pesticides is limited, so it is impossible to do

Method used

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  • Method for radically treating citrus candidatus liberobacter
  • Method for radically treating citrus candidatus liberobacter
  • Method for radically treating citrus candidatus liberobacter

Examples

Experimental program
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Effect test

Embodiment 1

[0042] like figure 2 As shown, in the citrus orchard where Huanglongbing occurs, a 50L plastic bucket 5 is placed, and a solution for radically curing citrus Huanglongbing is prepared in the plastic bucket 5, and the prepared solution for radically curing citrus Huanglongbing contains 0.02% Neophyte solution, 0.02% pyriproxyfen solution, 0.4% Yishibang solution; the bottom of the plastic bucket is about 50cm above the ground, so that the solution for radically curing citrus Huanglongbing can be directly injected by gravity; on the side wall near the bottom of the plastic bucket 5 Open two round holes with puncher, connect two sets of trees with syringes altogether (only have drawn wherein a set of syringes among the figure, and every cover of syringes has two needle tubes), the infusion hose 10 one ends in the trees with syringes and The round holes on the plastic bucket 5 are connected, and the other end of the infusion hose 10 is connected to the inlet of the three-way join...

Embodiment 2

[0054] In the citrus orchard where Huanglongbing occurs, the 0.4% Yishibang solution used to enhance tree vigor in Example 1 is replaced with 0.33% biological polypeptide A solution or 0.33% biological polypeptide B solution, and the device and method used Same as in Example 1, the citrus huanglongbing control effect is 59.6% to 88% when the citrus trees are injected for 20 to 60 days.

Embodiment 3

[0056] In the citrus orchard where Huanglongbing occurs, the 0.02% neophytomycin solution of the A-type bactericidal solution in Example 1 is replaced with 0.05% streptomycin or agricultural streptomycin solution, the device, method and embodiment used In the same way, the citrus huanglongbing control effect was 64.3% to 93.8% when the citrus trees were injected for 20 to 60 days.

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Abstract

The invention discloses a method for radically treating citrus candidatus liberobacter. A solution for radically treating the citrus candidatus liberobacter is prepared and loaded in a suitable container, a needle tube of an injection syringe for trees is connected with the container, a needle is inserted into the rhizome of a citrus tree or the main root close to the ground surface, a liquid drainage hole in the syringe for the trees reaches the phloem and the xylem, and the solution for radically treating the citrus candidatus liberobacter is injected through the syringe for trees, wherein the solution for radically treating the citrus candidatus liberobacter contains any one or two of bactericidal solutions, one or more of diaphorina citri killing solutions and one or more of tree vigorimprovement solutions. The method for radically treating the citrus candidatus liberobacter has the advantages that the prevention and control of bacteria of the citrus candidatus liberobacter, the prevention and control of the diaphorina citri and the improvement of the tree vigor of diseased trees are organically combined, integrated prevention and control are conducted, and the effect is obvious.

Description

technical field [0001] The invention relates to prevention and control of forestry diseases and insect pests, in particular to a radical cure method for citrus huanglongbing. Background technique [0002] Citrus huanglongbing is a devastating disease and a worldwide problem. It is rampant in nearly 50 countries and regions in Asia, Europe, Africa, Australia, Oceania, South America and North America. The disease was discovered in Florida, the main citrus producing area of ​​the United States in 2005. Since 2006, it has caused a loss of 3.6 billion US dollars in the state. In my country, the disease has a history of nearly a hundred years. Since the 1970s, the disease has destroyed more than 1 million mu of citrus orchards in Guangxi, and the direct economic loss has exceeded 10 billion yuan. At least 100 million sick trees were felled in southern Jiangxi due to Huanglongbing disease. From 2010 to 2015, nearly 100 million citrus trees were infected with disease in my country...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G13/00A01N47/44A01N43/40A01N37/44A01N37/46A01N43/90A01N51/00A01P7/04A01P1/00
CPCA01G13/00A01G17/005A01N37/44A01N37/46A01N43/40A01N43/90A01N47/44A01N51/00
Inventor 郑建秋曹永松冯晓东郑川楠陈传培郑翔孔丽萍
Owner 郑建秋
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