Pollution-free method for controlling bradysia odoriphaga

A technique for tardy-eyed fungus and chive maggots, applied in the field of biological control and physical control, to reduce the population base and improve the effect of control

Active Publication Date: 2015-03-04
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, whether yellow is the most preferred color of this adult remains to be verified.

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  • Pollution-free method for controlling bradysia odoriphaga
  • Pollution-free method for controlling bradysia odoriphaga
  • Pollution-free method for controlling bradysia odoriphaga

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Embodiment Construction

[0008] Technical scheme of the present invention is as follows:

[0009] A method for pollution-free prevention and control of tardigrade chives, comprising the following steps:

[0010] (1) Select loose and aerated soil for site preparation and plant crops;

[0011] (2) The entomopathogenic nematode suspension of 500-1000IJS / mL is applied at the leek maggot larval stage, and the entomopathogenic nematode suspension is prepared by adding distilled water to the entomopathogenic nematode that meets the detection conditions, and a black Sticky board monitoring, when leek maggot adults appear on the sticky board, start to hang a large number of black sticky boards, the lower bottom edge of the black sticky board is 0.5-1cm away from the ground, and the long side is parallel to the ground. The number of black sticky boards per mu is 60~ 80 pieces, normal field management after application;

[0012] The above test conditions should meet the requirements of the following a:

[001...

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Abstract

The invention relates to a pollution-free method of combining entomopathogenic nematode and black sticky boards for controlling bradysia odoriphaga. During bradysia odoriphaga larval stage, a entomopathogenic nematode suspension liquid with a nematode concentration of 500-1000IJS/mL is applied, and the black sticky boards are suspended in the field for monitoring. When adult bradysia odoriphaga appears, a large number of black sticky boards are suspended, wherein the lower bottom edges of the boards are 0.5-1cm from the ground. 60-80 of the black sticky boards are suspended in each mu of field. According to the controlling method provided by the invention, biological control and physical control are combined. The colored boards are used for trapping and killing adult bradysia odoriphaga, such that pest cardinal number can be effectively reduced. Bradysia odoriphaga larva and adult controlling effects can be improved, and entomopathogenic nematode application amount can be reduced. Therefore, pollution-free, safe, and non-toxic controlling over bradysia odoriphaga pests can be realized.

Description

technical field [0001] The invention relates to the technical field of biological control and physical control, in particular to an efficient, safe and pollution-free method for preventing and controlling tardigrade gnats by using entomopathogenic nematodes and black sticky boards. Background technique [0002] Chive tardigrade is an important pest that harms leeks, mainly harming leeks, green onions, onions, shallots, garlic and other lily vegetables. Its larvae (commonly known as leek maggots) mainly gather at the roots of vegetables, eating pseudostems and bulbs and causing dead seedlings. The insect has 4 to 6 generations every year in the open field of North China, and the generations overlap seriously. The larvae dormant and overwinter in the top soil layer of 3 to 4 cm in the bulb of leek or around the root of the leek, and the most serious occurrence occurs in spring and autumn. Due to the cultivation of leeks in protected areas, the temperature and humidity conditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/033A01M99/00A01G1/00
CPCA01G13/00A01K67/033A01M1/04A01M1/14A01M99/00
Inventor 武海斌宫庆涛张坤鹏孙瑞红
Owner SHANDONG INST OF POMOLOGY
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