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Efficient and comprehensive citrus tristeza virus prevention and control technology

A technology for comprehensive prevention and control of citrus Huanglongbing, which is applied in the field of pest control, can solve problems such as poor control effect and difficulty in prevention and control in endemic areas of Huanglongbing, reduce the frequency and cost of pesticide control, and reduce the cost of pesticide control. source pollution, and reduce the effect of spreading

Inactive Publication Date: 2019-09-03
赣州市果树植保站 +1
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Problems solved by technology

[0005] In view of the above problems, on the basis of the prior art, the present invention integrates and optimizes a set of "based on clearing up diseased trees and planting disease-free seedlings, taking net shed false planting as the key to replanting safe and large seedlings to control disease and protect gardens, and to grasp Efficient and comprehensive prevention and control of citrus huanglongbing based on five key links, focusing on effective prevention and control of citrus psyllids, supplemented by isolation of fir trees, large-scale unified prevention and control, and small-area "central household head system" joint prevention and control" The technology has effectively solved the problems of difficult prevention and control and poor prevention and control effects in Huanglongbing disease-endemic areas

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  • Efficient and comprehensive citrus tristeza virus prevention and control technology
  • Efficient and comprehensive citrus tristeza virus prevention and control technology

Examples

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Embodiment 1

[0022] This example is to prevent and control Huanglongbing in a citrus orchard in Ganzhou City, Jiangxi Province. The orchard is located in Taiwo Township, Nankang District, with a total area of ​​3 hm 2 (including land for orchard facilities such as roads), it is a hilly orchard with gentle slopes. It was established and planted in 2004. The distance between rows and plants is 5 m×3 m. The variety Newhall navel orange (Hovenia aurantium) has a total of 1 860 plants. Huanglongbing occurs. The specific prevention and control methods are as follows:

[0023] (1) "Five-step method" to quickly clean up diseased trees: On the basis of normalizing the general survey and cleaning of diseased trees, focus on the general survey and cleaning of diseased trees in autumn and winter (September-December), and spray pesticides to kill diseased trees before cleaning For citrus psyllids, follow the "five-step method" (first sawing: leave 3-7cm stumps to saw off diseased trees, second stroke:...

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Abstract

The invention discloses an efficient and comprehensive citrus tristeza virus prevention and control technology, and relates to the field of plant disease and insect pest prevention and control, in particular to a citrus tristeza virus prevention and control technology. The technology includes the following steps of firstly, rapidly cleaning an ill tree through a five-step method; secondly, replanting safe big seedlings heeled in a net house; thirdly, precisely and efficiently preventing and controlling diaphorina citri in the five key periods; fourthly, establishing a mechanism with overall prevention and treatment in large areas and 'central householder system' joint prevention and control in small areas; fifthly, planting a fir prevention and isolation belt. The citrus tristeza virus incidence rate of a fruit garden can be effectively controlled, economic loss is directly reduced, the income of fruit farmers is improved, meanwhile the pesticide prevention and treatment frequency andprevention and treatment cost for the diaphorina citri can be reduced, and therefore the pesticide surface source contamination is reduced, and the technology has remarkable economic, social and ecological benefits.

Description

technical field [0001] The invention relates to the field of prevention and control of diseases and insect pests, in particular to technologies for the prevention and control of citrus huanglongbing. Background technique [0002] Citrus Huanglongbing is a systemic infectious disease caused by Phloem bacteria, and it is also a devastating disease in citrus production. Young trees die within 1-2 years after being infected with Huanglongbing, and adult trees die or lose fruiting ability within 3-5 years. The disease is mainly transmitted by citrus psyllids and diseased seedlings. When diseased trees and citrus psyllids coexist in the field, it is very easy to cause a pandemic. When the disease is prevalent, it will cause the orchard to be destroyed in pieces. [0003] So far, citrus greening disease has occurred in more than 50 countries and regions in Asia, Africa, Oceania, South America and North America, causing great harm to the world's citrus industry. For example, Huan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G13/00
CPCA01G13/00A01G17/005
Inventor 陈慈相钟玲胡燕谢金招
Owner 赣州市果树植保站
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