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Integrated control method of Chinese chives root maggots

A leek root maggot, integrated control technology, applied in the directions of botanical equipment and methods, resistance to vector-borne diseases, pesticides, etc. Unique insect mechanism, good effect and high organic matter content

Inactive Publication Date: 2017-12-15
何振贤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In production practice, organophosphorus pesticides, such as phoxim and chlorpyrifos, have been used for root irrigation for a long time. However, with the use of a single pesticide for a long time, the pests develop resistance and the control effect is weakened.
As a result, the concentration of pesticides continues to increase, the number of medications and the amount of pesticides continue to increase, the toxicity of pesticide residues is relatively high, and the potential risk of soil pollution increases, which puts a huge pressure on the food safety of agricultural products.

Method used

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  • Integrated control method of Chinese chives root maggots

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Effect test

Embodiment 1

[0029] A kind of comprehensive control method of leek root maggot, described method comprises the steps:

[0030] The first step, when preparing the ground before sowing leeks, first apply farmyard manure as base fertilizer, evenly apply it to the soil, apply 1500 kilograms of farmyard manure per mu, and then plow at least 20cm deep; the farmyard manure is made by farmers using crop straw as raw material. High temperature stack retting;

[0031] Second step, in the generation stage of leek root maggot adult, spray 2.5% deltamethrin 1500 times liquid to kill adult;

[0032] The third step, when root maggots occur, use 500 times of leek root maggot medicine to irrigate the roots;

[0033] The leek root maggot medicament is made from raw materials in parts by weight: 10 parts of chitosan, 12 parts of garlic, 8 parts of Bacillus thuringiensis, 6 parts of Beauveria bassiana oospores, 12 parts of brown sugar, 12 parts of saccharomyces and nutrient solution 200 copies;

[0034] Th...

Embodiment 2

[0041] A kind of comprehensive control method of leek root maggot, described method comprises the steps:

[0042] The first step, when preparing the ground before sowing leeks, first apply farmyard manure as a base fertilizer, apply it evenly to the soil, apply 2000 kilograms of farmyard manure per mu, and then plow at least 20cm deep; the farmyard manure is made by farmers using crop straw as raw material. High temperature stack retting;

[0043] Second step, in the generation stage of leek root maggot adult, spray 2000 times of liquid of 2.5% deltamethrin to kill adult;

[0044] The third step, when root maggots occur, use 800 times of leek root maggot medicine to irrigate the roots;

[0045] The leek root maggot medicament is made from raw materials in parts by weight: 10 parts of chitosan, 12 parts of garlic, 8 parts of Bacillus thuringiensis, 6 parts of Beauveria bassiana oospores, 12 parts of brown sugar, 12 parts of saccharomyces and nutrient solution 200 copies;

[...

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Abstract

The invention provides an integrated control method of Chinese chives root maggots. The integrated control method comprises the steps that when land preparation is conducted before Chine chives are sowed, farmyard manure is applied as base fertilizer firstly, and then deep ploughing is conducted; in the occurrence period of the adults of the Chinese chives root maggots, a 2.5 % deltamethrin 1500-2000-bold solution is sprayed to kill the adults; in the occurrence period of the root maggots, a Chinese chives root maggot 500-800-bold pesticide is used for watering the roots. According to the integrated control method, the pesticide repeatedly infect the maggots and has long-last period persistence, and no maggots exist in the whole season by only using the pesticide once; due to the fact that the planting field of Chinese chives is sufficient in water and fertilizer, rich in soil, high in organic matter content and extremely suitable for growth and propagation of probiotics such as bacillus thuringiensis, beauveria tenella and saccharomycetes, once entering pest bodies, the probiotics can propagate in quantity by using nutrient substances in the pest bodies, produce a large quantity of spores to continue infecting other pests, and have extremely high re-infection ability, and the pests are infected nest by nest and pests die in large patches, so that the lasting period of the pesticide effect can be as long as one year.

Description

technical field [0001] The invention belongs to the technical field of vegetable production, and in particular relates to a comprehensive control method for leek root maggots. Background technique [0002] Leek root maggots seriously endanger the growth of leeks. They are the main target of leek production and management, and are also the link where vegetable farmers invest the most in manpower and material resources in leek farming activities. In production practice, organophosphorus pesticides, such as phoxim and chlorpyrifos, have been used for root irrigation for a long time. However, with the use of a single pesticide for a long time, the pests develop resistance and the control effect is weakened. As a result, the concentration of pesticides continues to increase, the frequency and dosage of pesticides continue to increase, the toxicity of pesticide residues is relatively high, and the potential risk of soil pollution increases, which puts a huge pressure on the food s...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01N65/42A01N43/16A01N63/00A01N63/04A01P7/04
CPCA01G13/00A01N43/16A01N63/00A01N63/30A01N65/00A01N65/42Y02A50/30
Inventor 何振贤
Owner 何振贤
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