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Method for preventing pine wood nematode diseases

A technology for pine wood nematode disease and pine wood nematode, which is applied in the field of agricultural pest control, can solve problems such as the need to improve the control efficiency of ethyl palmitate, solve the problem of mass reproduction and rapid spread, improve diapause rate, and prevent and control pine wood nematodes. Effects of nematodes

Inactive Publication Date: 2020-04-28
HEZE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the control efficiency of ethyl palmitate still needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The whole plant of the succulent plant Peach Beauty is taken, washed and dried naturally, and then the juice of the Peach Beauty plant is collected by physical pressing method, and set aside. Another fluorite is crushed and passed through a 100-200 mesh sieve to obtain fluorite powder for later use.

[0019] The fluorite powder is completely immersed in a sufficient amount of peach beauty plant juice (it can be completely immersed at the beginning of immersion, and there is still liquid juice after immersion), and after fully immersing for 4-6h, the fluorite is Dry at low temperature (20-30°C) until the water content is lower than 5wt%, and grind to nano powder (50-200nm).

[0020] The modified fluorite nano-powder obtained above is added into ethyl palmitate in an amount of 1 wt% to fully disperse to prevent and control pine wood nematodes.

Embodiment 2

[0022] Take the whole plant of the succulent plant Komatsu japonica, wash it and dry it naturally, and then collect the plant juice of the succulent plant by means of physical pressing, and set it aside. Another fluorite is crushed and passed through a 100-200 mesh sieve to obtain fluorite powder for later use.

[0023] Completely immerse the fluorite powder in a sufficient amount of Pine japonica plant juice (it can be completely immersed at the beginning of immersion, and there is still liquid juice after immersion), and after fully immersing for 4-6h, the fluorite is Dry at low temperature (20-30°C) until the water content is lower than 5wt%, and grind to nano powder (50-200nm).

[0024] The modified fluorite nano-powder obtained above is added into ethyl palmitate in an amount of 1 wt% to fully disperse to prevent and control pine wood nematodes.

[0025] The scheme in the following application examples of the present invention is to carry out further research on the basi...

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Abstract

The invention belongs to the technical field of agricultural pest control, and particularly relates to a method for controlling pine wood nematode disease. The invention discloses a method for preventing and treating pine wood nematodes. On the basis of a scheme for preventing and treating pine wood nematode disease by using ethyl palmitate in the prior art; fluorite nano powder modified by juiceof selected succulent plants is added into ethyl palmitate; under the condition that the application amount of the low-dosage ethyl palmitate of the pine tree body is 0.5 to 5mu l / m <3>; the diapauserate of the pine wood nematodes is further improved, a large number of pine wood nematodes stop breeding, diffusion type pine wood nematodes (including diffusion type three-year-old larvae (LIII) anddiffusion type four-year-old larvae (LIV)) are formed, propagation of vector insects during eclosion of monochamus alternatus in January to May of the next year is reduced, and pine wood nematode diseases can be effectively prevented.

Description

technical field [0001] The invention belongs to the technical field of agricultural pest control, and in particular relates to a method for preventing and controlling pine wood nematode disease. Background technique [0002] Pine wood nematode disease, known as the "cancer" of pine trees, is the most dangerous forest disease in the world. It is a devastating disease of pinaceae plants. The entire pine forest can be destroyed within 5 years, which is extremely harmful. The destructiveness of pine wood nematode disease lies in: strong pathogenicity, fast host death; fast spread, and often caught off guard; once it occurs, it is difficult to control. It not only causes huge losses to the national economy, but also destroys the natural landscape and ecological environment, and poses a serious threat to my country's rich pine forest resources. At present, the control of pine wood nematode disease mainly depends on removing all diseased trees, but because of the particularity of...

Claims

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Application Information

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IPC IPC(8): A01N65/08A01N37/02A01P15/00
CPCA01N37/02A01N65/00A01N65/08
Inventor 王步勇问荣荣王娟李莹莹李秀伟
Owner HEZE UNIV
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