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Method for green and organic prevention and control of pieris rapae in facility vegetable greenhouse

A technology for vegetable greenhouses and cabbage caterpillars, applied in botany equipment and methods, insecticides, animal repellents, etc., can solve problems such as difficulty in control, drug resistance of cabbage caterpillars, polluted vegetable yield and quality, etc., to improve effect of effect

Inactive Publication Date: 2017-04-19
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

Improper use of chemical pesticides not only pollutes the yield and quality of vegetables, but also leads to resistance of cabbage caterpillars due to repeated use, making control more difficult

Method used

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  • Method for green and organic prevention and control of pieris rapae in facility vegetable greenhouse
  • Method for green and organic prevention and control of pieris rapae in facility vegetable greenhouse
  • Method for green and organic prevention and control of pieris rapae in facility vegetable greenhouse

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Embodiment Construction

[0009] Technical scheme of the present invention is as follows:

[0010] A green and organic method for preventing and controlling cabbage caterpillars in a facility vegetable greenhouse, comprising the following steps:

[0011] (1) Select facility vegetable sheds for site preparation and plant vegetables;

[0012] (2) Dissolve and dilute the moisturizer with water to prepare a moisturizer diluent, mix the moisturizer diluent with entomopathogenic nematodes that meet the detection conditions to prepare a moisturizer nematode suspension, and the concentration of nematodes in the moisturizer nematode suspension is 500~ 1000IJS / mL, when spraying, add detergent at the same time, apply humectant nematode suspension to kill cabbage larvae during the larval stage of vegetable cabbage caterpillar, and carry out normal field management after application;

[0013] The above entomopathogenic nematodes that meet the detection conditions should meet the following requirements:

[0014] T...

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Abstract

The present invention relates to a method for green and organic prevention and control of pieris rapae in a facility vegetable greenhouse. According to the method, the mixture of sodium carboxymethyl cellulose and soluble starch is adopted as a humectant, the humectant dilution liquid and insect pathogen nematode are mixed to prepare a humectant nematode suspension, the nematode concentration in the humectant nematode suspension is 500-1000 IJS / mL, a detergent is added during spraying, and the appropriate application time and the appropriate application mode are matched. According to the present invention, with the prevention and control method, the pieris rapae prevention and control effect can be improved, the disadvantage that the nematode is not suitable for the prevention and control of leaf insect pest is overcome, and the pieris rapae can be biologically controlled by rationally utilizing the insect pathogen nematode; and the high-toxicity and high-residue pesticide and other chemical pesticide varieties can e replaced, and the obtained suspension can be used in the production of organic vegetables so as to truly achieve the green prevention and control effect of the pieris rapae in the organic vegetable cultivation.

Description

technical field [0001] The invention relates to the technical field of biological control, in particular to a green and organic method for preventing and controlling cabbage caterpillars in facility vegetable greenhouses Background technique [0002] Cabbage butterfly belongs to Lepidoptera, Hammercera suborder, Pelicidae. The cabbage butterfly is also known as the cabbage white butterfly, and the larvae are also called cabbage caterpillars. The distribution range of the insect is very wide, and it is distributed in all provinces and regions of the country. The larvae have mixed feeding habits and can feed on 9 families of plants including Cruciferae, Compositae, and Convolvulaceae. They mainly damage cruciferous vegetables, especially cabbage, rapeseed, radish, cauliflower, mustard greens, turnips, and cabbage. . When cabbage caterpillars feed, they excrete fecal pollution while feeding. There are 5 instars of larvae. Before the 3rd instar, they usually do damage on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/02A01N25/04A01P7/04A01G13/00
CPCA01G13/00A01N63/10
Inventor 武海斌孙瑞红宫庆涛张坤鹏王传增王中堂付丽
Owner SHANDONG INST OF POMOLOGY
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