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Prevention method for lowering Psylla chinensis Yang et Li insect cardinal number

A technology of pear psyllid and radix, applied in the direction of botany equipment and methods, insecticides, animal repellents, etc., can solve the problems of poor control effect, high production cost, and damaged fruit surface, and achieve low cost and high efficiency. High-quality, high-efficiency effect

Active Publication Date: 2018-10-02
COTTON RES INST SHANXI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problems that existing methods for preventing and controlling pear psyllids are prone to damage to the fruit surface, high production cost, poor control effect and serious pollution, and to provide a method with high control effect, low cost, and good for the orchard ecological environment. A control method for reducing the population base of pear psyllids that is safe and improves the quality of pear fruit at the same time

Method used

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  • Prevention method for lowering Psylla chinensis Yang et Li insect cardinal number

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of control method that reduces the population base of pear psyllid in the present embodiment, its control step is:

[0022] 1), before the overwintering of pear psyllids in early November, prepare an insecticide mixture with dual activity on adults and nymphs and spray to reduce the population of overwintering adults; the insecticide mixture is prepared by the following weight of raw materials: Ingredients: 0.27g of active ingredient of chlorpyrifos, 0.1g of active ingredient of thiamethoxam and 1000g of water. The amount of pesticide mixture used is 1800kg / hm 2 -2200kg / hm 2 .

[0023] 2) In mid-November, apply sticky insect glue around the trunk 20-30cm from the ground to form a sticky insect rubber ring with a width of 5-7cm. For the second sticky insect rubber ring of 7cm, wrap the above two sticky insect rubber rings coated with sticky insect glue with 20-25cm high corrugated paper, and use tape to fix the corrugated paper; remove the corrugated paper in t...

Embodiment 2

[0027] A kind of control method that reduces the population base of pear psyllid in the present embodiment, its control step is:

[0028] 1), before the overwintering of pear psyllids in early November, prepare an insecticide mixture with dual activity on adults and nymphs and spray to reduce the population of overwintering adults; the insecticide mixture is prepared by the following weight of raw materials: Ingredients: 0.4g active ingredient of chlorpyrifos, 0.085g active ingredient of thiamethoxam and 1000g of water. The amount of pesticide mixture used is 1800kg / hm 2 -2200kg / hm 2 .

[0029] All the other steps are the same as in Example 1.

Embodiment 3

[0031] A kind of control method that reduces the population base of pear psyllid in the present embodiment, its control step is:

[0032] 1), before the overwintering of pear psyllids in early November, prepare an insecticide mixture with dual activity on adults and nymphs and spray to reduce the population of overwintering adults; the insecticide mixture is prepared by the following weight of raw materials: Ingredients: 0.33g of active ingredients of chlorpyrifos, 0.093g of active ingredients of thiamethoxam and 1000g of water. The amount of pesticide mixture used is 1800kg / hm 2 -2200kg / hm 2 .

[0033] All the other steps are the same as in Example 1.

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Abstract

The invention relates to a prevention method for lowering the Psylla chinensis Yang et Li insect cardinal number, and belongs to a fruit tree injurious insect comprehensive prevention method. The technical problem that according to an existing Psylla chinensis Yang et Li prevention method, the fruit face is likely to be damaged, the production cost is high, the prevention effect is poor, and serious contaminations are caused. By adopting the technical scheme, the prevention method for lowering the Psylla chinensis Yang et Li insect cardinal number comprises the prevention steps that 1, beforeoverwintering of Psylla chinensis Yang et Li in the first ten-day period of November, an insecticide mixing solution is prepared to be sprayed; 2, in the middle ten-day period of November, army worm adhesives are smeared to the periphery of a tree trunk, adhesive tape is adopted for fixing corrugated paper, and the corrugated paper is taken down at the first ten-day period of next January for concentrated incineration; 3, during winter shearing, polypides of parasitic natural enemies on trimmed branches can be collected and taken out and placed into a garden to be released at the first ten-dayperiod of next April; 4, at the middle ten-day period of next February, in the Psylla chinensis Yang et Li adult hibernation beginning stage, a kaolin protective agent is sprayed, and it is ensured that a protecting layer composed of kaolin granules is formed outside each branch.

Description

technical field [0001] The invention relates to a control method for reducing the population base of pear psyllids, which belongs to a comprehensive control method for fruit tree pests. Background technique [0002] The pear psyllid is a monophagous piercing-sucking pest belonging to the family Hemiptera Psyllidaceae, which occurs in more than 20 provinces including Xinjiang, Hebei, and Shanxi in my country. The pear psyllid mainly damages the leaves by nymphs, which in turn leads to damages such as fruit rust, tree physiological shock and weakening disease, and causes great losses to production. With the excessive use of chemical pesticides and the development of intensive agricultural models, pear psyllid has become one of the main control targets in pear orchards. [0003] At present, in production, it is mainly controlled by using chemical pesticides during the population growth period and the peak period of damage. Its disadvantages are fourfold: first, the use of med...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01N57/16A01N51/00A01N43/36A01P7/04
CPCA01G13/00A01N43/36A01N51/00A01N57/16
Inventor 魏明峰姚众刘珍范巧兰吴晓燕吕贝贝张丽萍范建春
Owner COTTON RES INST SHANXI ACAD OF AGRI SCI
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