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Integrated control method for willow plagiodera versicolora

A technology for comprehensive prevention and control of willow trees, applied in the fields of botanical equipment and methods, horticulture, and application, can solve problems such as inability to significantly reduce harm, high cost, environmental pollution, etc., and achieve the effect of simple method, good effect, and harm reduction effect.

Inactive Publication Date: 2014-11-05
江苏世阳生物科技有限公司
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Problems solved by technology

At present, the main control method is to spray pesticides during the pest occurrence period, once a week on average. This method cannot significantly reduce the damage during the pest pest peak period, and the cost is high and pollutes the environment.

Method used

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Embodiment Construction

[0012] A comprehensive control method for willow willow blue leaf beetle, the steps are as follows:

[0013] (1) In late September, when adults and larvae appear to be suspended animation, spray the tree body with 1500 times of 20% pyrethrin;

[0014] (2) In mid-December, the soil under the willow forest was plowed 25cm deep, and the pests hidden in the soil were exposed to freeze to death;

[0015] (3) At the end of January of the second year, when the soil is relatively moist, sow 3% isofenphos-methyl granules under the willow forest, with an amount of 500-700 grams per mu, so that it can penetrate into the soil and kill poison The pests that enter the soil can also enrich the soil and make the willow tree strong;

[0016] (4) In the first ten days of February of the second year, make a 20cm-wide poisonous circle around the trunk at a distance of 40cm from the ground; the specific method of making the poisonous circle: sandwich cotton between two layers of gauze, Apply she...

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Abstract

The invention discloses an integrated control method for willow plagiodera versicolora. In the last ten days of September, when imagoes and larvae show feigndeath, a 20% fenvalerate 1500-time solution is sprayed onto trees; in the middle ten days of December, soil under a willow forest is deeply ploughed for 25 cm; in the last ten days of next January, 3% isofenphos-methyl granules are spread under the willow forest with 500-700 grams per mu; in the first ten days of next February, a toxic ring with the width of 20 cm is made at the position, 40 cm away from the ground, of each trunk and wound around the trunk by one circle. The integrated control method is simple, convenient to implement, good in effect and capable of making the harm caused by plagiodera versicolora be reduced by more than 85%.

Description

technical field [0001] The invention relates to a method for comprehensive prevention and control of willow blue leaf beetle. Background technique [0002] The important pest of willow is the willow blue leaf beetle, which belongs to the coleoptera Chrysophyllaceae willow blue leaf beetle. The adults and larvae feed on the willow leaves to form nicks or holes. Among them, the insect damage is the most serious from July to September, which can kill the new shoots and tender leaves of willow trees. Leaves eat light, seriously affecting the normal growth of willows. In the middle and late October, the trees are successively downed, and the adult insects live through the winter. At present, the main control method is to spray pesticides once a week on average during the occurrence period of the pests. This method cannot significantly reduce the harm during the peak period of the pests, and the cost is high and pollutes the environment. Contents of the invention [0003] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00
Inventor 马赞留李敏邬荣领张健
Owner 江苏世阳生物科技有限公司
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