Method for preventing and controlling valsa canker and dry cracking of willows

A rot disease and willow technology, applied in the field of tree planting, can solve the problems of bark burn damage, insignificant effect or effect, and easy disease, so as to reduce the harm of high temperature, not easy to be infected by bacteria, and reduce the loss of water. Effect

Inactive Publication Date: 2018-05-29
北京京水旺源园林绿化工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Willow rot and dry cracking are easy to occur in northern areas. Long-term lesions can cause death and large-scale infection. The industry often uses fungicides (such as gentamicin) to remove the diseased bark and rinse and disinfect, but there is no effect or the effect is not obvious , In fact, the industry has overlooked some important details. Willow is a water-loving plant, and the storage or saturation of water in the tree is high. When encountering high temperature seasons and high t

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for preventing and treating willow rot and dry cracks. In summer, smear diluted white ash powder or white ash paste on willow trunks; in winter, also smear diluted white ash powder or white ash paste on willow trunks; Ji can choose not to apply diluted lime powder or lime paste to reduce costs. In the case of existing lesions, cut off the bark of the lesions or infected areas with a knife, and the edge of the knife is inclined. Afterwards, the wound should be sterilized with a bactericidal drug, which can be Daqingmycin, etc., and then smear diluted white ash powder or white ash cream on the wound, so that the wound is not easily infected by bacteria.

[0026] Of course, in order to further reduce the possibility of the wound being infected by bacteria, before cutting off the lesion or the bark at the infected place with a knife, use a fungicide to sterilize the knife, and then cut it off.

Embodiment 2

[0028] The difference from Example 1 is that 5% to 10% of lime sulfur can be added to the diluted lime powder or lime paste, and the solution to be applied can be 55%-65% water, 25%-35% % lime powder or lime paste, 5%-10% lime sulfur mixed solution. It can be 55% water, 35% lime powder or lime paste and 10% lime sulfur mixture; it can also be 60% water, 35% lime powder or lime paste and 5% lime sulfur mixture; it can also be 60% % water, 30% lime powder or lime paste, and 10% lime sulfur. The solution that needs to be applied has a certain bactericidal effect and has a certain retention time, which is beneficial to the recovery of tree wounds.

Embodiment 3

[0030] Generally speaking, when cutting trees, the edge of the knife is inclined, and the straight surface is easy to cause infection of the wound. At this time, the inclined surface can be between 30 ° and 60 °, and can be 45 °, which is convenient for excision of the bark. It is not easy to make wound infection.

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PUM

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Abstract

The invention discloses a method for preventing and controlling valsa canker and dry cracking of willows. The technical scheme comprises the following key points: 1) coating diluted lime powder or lime paste on trunks of the willows in summer; 2) coating diluted lime powder or lime paste on the trunks of the willows in winter too; 3) in the case of disease speckles, removing the disease speckles or infected barks by using a knife, and enabling a cut edge to be sloped; 4) washing and disinfecting wounds by using a bactericidal medicine; and 5) coating the wounds with diluted lime powder or limepaste. The method provided by the invention achieves the effect that the valsa canker and dry cracking of the willows can be effectively prevented and controlled.

Description

technical field [0001] The invention relates to the field of tree planting, in particular to a method for preventing and treating willow rot and dryness. Background technique [0002] Willow rot and dry cracking are easy to occur in northern areas. Long-term lesions can cause death and large-scale infection. The industry often uses fungicides (such as gentamicin) to remove the diseased bark and rinse and disinfect, but there is no effect or the effect is not obvious , In fact, the industry has overlooked some important details. Willow is a water-loving plant, and the storage or saturation of water in the tree is high. When encountering high temperature seasons and high temperature periods, direct sunlight exposure to water-saturated bark will cause burn damage, especially for tending forest willows. Most of them are young trees, and the bark is mostly without lignification, which is more prone to disease. In the high cold environment in winter, the bark is easy to frostbite....

Claims

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Application Information

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IPC IPC(8): A01G13/00A01G7/06A01N59/06A01P1/00
CPCA01G7/06A01G13/00A01N59/06
Inventor 李德强
Owner 北京京水旺源园林绿化工程有限公司
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