Method for utilizing microwaves to kill diaphorina citri on basis of ground self-propelled wheel machines

A citrus psyllid, self-propelled technology, which is applied in the device, application, animal husbandry and other directions of catching or killing insects, can solve the problems of single wavelength and poor killing effect, and achieves a high degree of automation and remarkable citrus psyllid nymphs. , the effect of reducing the cost of human and material resources

Active Publication Date: 2019-09-20
GUANGXI ACAD OF SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent CN201810639091 (application number) discloses the application of a special light source in trapping citrus psyllids and the citrus psyllid trap. The wavelength of the special light source is 409.9nm~511.6nm. Greatly improve the effect of trapping citrus psyllids with light; at the same time, the wavelength of the special light source is single, the pertinence is strong, the specificity of trapping citrus psy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0030] Example 1:

[0031] A method for killing citrus psyllid nymphs based on a ground self-propelled wheel machine using microwaves includes the following steps:

[0032] (1) Psyllid nymph survey: randomly selected citrus fruit trees for citrus psyllid survey. Any of psyllid eggs, psyllid nymphs or adult psyllids found on citrus fruit trees are all considered to be psyllid positive, and the positive rate of psyllids 87%;

[0033] (2) Route planning of self-propelled wheeled machine: measure the distance between citrus orchard trees, and set each middle line of citrus fruit tree as the automatic route of self-propelled wheeled machine;

[0034] (3) Microwave to kill citrus psyllids: According to the survey results of step (1), use a self-propelled wheel equipped with microwave antenna to kill citrus psyllid nymphs. The height of the microwave antenna of the self-propelled wheel is equal to the middle of the citrus canopy. The microwave emission direction is the left and right sides ...

Example Embodiment

[0037] Example 2:

[0038] A method for killing citrus psyllid nymphs based on a ground self-propelled wheel machine using microwaves includes the following steps:

[0039] (1) Psyllid nymph survey: randomly selected citrus fruit trees for citrus psyllid survey. Any of psyllid eggs, psyllid nymphs or adult psyllids found on citrus fruit trees are all considered to be psyllid positive, and the positive rate of psyllids 62%;

[0040] (2) Route planning of self-propelled wheeled machine: measure the distance between citrus orchard trees, and set each middle line of citrus fruit tree as the automatic route of self-propelled wheeled machine;

[0041] (3) Microwave to kill citrus psyllids: According to the survey results of step (1), use a self-propelled wheel equipped with microwave antenna to kill citrus psyllid nymphs. The height of the microwave antenna of the self-propelled wheel is equal to the middle of the citrus canopy. The microwave emission direction is the left and right sides ...

Example Embodiment

[0044] Example 3:

[0045] A method for killing citrus psyllid nymphs based on a ground self-propelled wheel machine using microwaves includes the following steps:

[0046] (1) Psyllid nymph survey: randomly selected citrus fruit trees for citrus psyllid survey. Any of psyllid eggs, psyllid nymphs or adult psyllids found on citrus fruit trees are all considered to be psyllid positive, and the positive rate of psyllids 28%;

[0047] (2) Route planning of self-propelled wheeled machine: measure the distance between citrus orchard trees, and set each middle line of citrus fruit tree as the automatic route of self-propelled wheeled machine;

[0048] (3) Microwave to kill citrus psyllids: According to the survey results of step (1), use a self-propelled wheel equipped with microwave antenna to kill citrus psyllid nymphs. The height of the microwave antenna of the self-propelled wheel is equal to the middle of the citrus canopy. The microwave emission direction is the left and right sides ...

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Abstract

The invention discloses a method for utilizing microwaves to kill diaphorina citri on the basis of ground self-propelled wheel machines and relates to the technical field of microwave application. According to the method, the positive rate of diaphorina citri is divided into three levels, wherein the first level is lower than 40%, the second level is higher than or equal to 40% and lower than 80%, and the third level is higher than or equal to 80%; according to different positive rates of diaphorina citri, different microwave killing processes are adopted; when the 2-4 self-propelled wheel machines are utilized to kill diaphorina citri at intervals, the microwave power is gradually increased from the lowest level 500-800 W to the highest level 1,800-2,000 W, the microwave frequency is gradually reduced from the highest level 2.4-2.5 GHz to 890-940 MHz, and diaphorina citri at various parts of citrus are killed through microwave treatment, different in intensity and penetration depth, of the self-propelled wheel machines, a microwave thermal effect and a non-thermal effect. The method has an obvious killing effect on diaphorina citri, the positive rate of diaphorina citri after microwave treatment is reduced by 90% or above at most, the population number of diaphorina citri in an orchard is greatly reduced, the ability of diaphorina citri to transmit Huanglongbing is limited, and transmission and spread of Huanglongbing are effectively prevented. In addition, there is no need to use chemical agents, and the method is low in cost, ecological, environmentally friendly and efficient for killing diaphorina citri.

Description

technical field [0001] The invention belongs to the technical field of microwave applications, and in particular relates to a method for killing citrus psyllid nymphs by using microwaves based on a ground self-propelled wheeled machine. Background technique [0002] Citrus Huanglongbing (Huanglongbing) is currently the number one devastating disease of citrus production in the world, which is caused by Phloem bacteria parasitic in the phloem of plants. Due to the serious harm and high fatality rate, and the lack of effective prevention and control methods so far, Huanglongbing is called the "cancer" of citrus. [0003] The citrus psyllid is the only natural carrier of Huanglongbing in the field. In the whole life cycle of the citrus psyllid, there are three stages: eggs, nymphs and adults. Effectively controlling the population of citrus psyllid is an effective way to control citrus greening disease. The traditional control methods of citrus psyllid mainly include physical...

Claims

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Application Information

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IPC IPC(8): A01M1/22
CPCA01M1/226
Inventor 黄志民陈先锐谢能中黄慨
Owner GUANGXI ACAD OF SCI
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