Method for controlling citrus yellow shoot

A technology of citrus huanglongbing and its control method, which is applied in the field of plant pest control, can solve problems such as the inability to effectively prevent citrus huanglongbing, and achieve the effects of increasing yield, ensuring a good harvest, and preventing infestation

Inactive Publication Date: 2016-07-20
HEYUAN DONGXINGWANG AGRI DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defects that the prior art cannot effectively prevent the occurrence

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A control method for citrus huanglongbing is to spray paclobutrazol pesticide when the citrus fruits form the size of mung beans in the middle and late April every year, so that the citrus trees do not grow tender shoots, so the psyllids will not bite the citrus trees during this period, and the citrus Tree cells will not be infected with viruses, and Huanglongbing will not occur. In addition, all the nutrients can be supplied to the fruit, and the yield is greatly increased;

[0021] In mid-to-late September, the peak growth period of psyllids is about to pass, and the fruits are already ripe. Spray indole acetic acid plant growth regulators to promote the growth of tender shoots, let them grow slightly in autumn, and transport nutrients to the tender shoots. There will be no fruit drop, and a bumper harvest in the coming year will be guaranteed.

[0022] According to the company's data in the past two years, using this method can reduce the occurrence of Huanglongbin...

Embodiment 2

[0024] A control method for citrus huanglongbing is to manually cut off the citrus fruits when they form the size of mung beans in the middle and late April of each year, so that the citrus trees do not grow young shoots, and they can be cut as much as the young shoots grow. If they can bite citrus trees, the citrus tree cells will not be infected with viruses, and Huanglongbing will not occur. In addition, all the nutrients can be supplied to the fruit, and the yield is greatly increased;

[0025] In mid-to-late September, the peak growth period of psyllids is about to pass, and the fruits are already ripe. Spray indole acetic acid pesticide plant growth regulator to promote the growth of tender shoots, let them grow slightly in autumn, and transport nutrients to the tender shoots. There will be no fruit drop, and a bumper harvest in the coming year will be guaranteed.

[0026] According to the company's data in the past two years, using this method can reduce the occurrence...

Embodiment 3

[0028] A control method for citrus huanglongbing is to manually cut off the citrus fruits when they form the size of mung beans in the middle and late April every year, so that the citrus trees do not grow young shoots, and cut as much as the young shoots grow, so that the psyllids will not grow during this period. By biting the citrus tree, the citrus tree cells will not be infected with the virus, and Huanglongbing will not occur. In addition, all the nutrients can be supplied to the fruit, the yield is greatly increased, and the harvest of the fruit in the coming year is guaranteed;

[0029] In mid-to-late September, the peak growth period of psyllids is about to pass, and the fruits are already ripe. Stop cutting off new shoots, let them grow slightly in autumn, and the nutrients will be transported to the shoots, so the fruit will not drop.

[0030] According to the company's data in the past two years, using this method can reduce the occurrence of Huanglongbing by 80%.

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PUM

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Abstract

The invention discloses a method for controlling citrus yellow shoot.The particular method includes immediately controlling generation of new shoots when citrus fruits are just formed and preventing growth of the new shoots; promoting growth of autumn shoots when the fruits are ripe.The method has the advantages that the yellow shoot of citrus trees can be reduced by 80%-90%; the new shoots are controlled when citruses bloom and bear the fruits in April, so that infection of woodlice can be prevented, all nutritional ingredients of the citrus trees can be advantageously supplied to the fruits, and the yield can be greatly increased; the autumn shoots are allowed to grow when the fruits are ripe in the middle ten days and the last ten days in September, so that good fruit harvest in a next year can be guaranteed.

Description

technical field [0001] The invention belongs to the technical field of plant pest control, and in particular relates to a method for controlling 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. . At present, the disease is mainly distributed in nearly 50 countries and regions in Asia, Africa, Oceania, South America and North America, and 11 of the 19 citrus producing provinces (municipalities, autonomous regions) in China have been affected by the disease, which seriously restricts the production of citrus. For the healthy development of the industry, the control of citrus greening disease is a major research focus in citrus planting technology. [0003] The current method to prevent citrus huanglongbing is to cut down citrus trees, whi...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G7/06A01G13/00
CPCA01G7/06A01G13/00A01G17/005
Inventor 杨树康钟小城谭研
Owner HEYUAN DONGXINGWANG AGRI DEV CO LTD
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