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Novel vegetable root nematode prevention and cure organic modifying agent

A root-knot nematode disease and improvement agent technology, applied in the direction of nematicides, organic fertilizers, biocides, etc., can solve the problems of vegetable quality decline, greenhouse vegetable loss, death, etc., to promote crop growth, improve soil, increase soil The effect of fertility

Inactive Publication Date: 2007-12-05
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In recent years, with the increase of greenhouses, root-knot nematode disease has become more and more serious, which has brought serious losses to greenhouse vegetables, resulting in decreased vegetable quality, low yield, death and extinction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Artificial cultivation of the biocontrol fungus Paecilomyces lilacinus: the rice husk is sterilized by moist heat (ie, in a closed high-pressure steam sterilizer, 0.1MPa, 121°C for 60min for sterilization) to make a medium. After letting it cool, insert Paecilomyces lilacinus into it, and after culturing at 20°C for 3 days, the mycelia are completely covered with the culture medium. Then take it out to dry. In addition, dry the decomposed wheat straw and pulverize it for later use.

[0018] Take 1 kg of dried Paecilomyces lilacinus culture and pulverize it, and then mix it with 99 kg of wheat straw decomposed matter powder with a conical double-helix mixer for 35 minutes until the uniformity reaches more than 95%, which is the finished product.

[0019] Method of use: Before planting cucumbers, apply in furrows or holes at an amount of 20kg per mu, and then plant cucumbers. The control effect against root-knot nematodes at the seedling stage exceeds 70%, and the fresh ...

Embodiment 2

[0021] Artificial cultivation of the biocontrol agent Paecilomyces lilacinus: The rice husk is sterilized by moist heat (ie, in a closed high-pressure steam sterilizer, 0.1MPa, 121°C for 45min to sterilize) to make a medium. After letting it cool, insert Paecilomyces lilacinus into it, and culture it at 20°C for 4 days until the mycelium is fully covered with the culture medium. Then take it out to dry. In addition, dry the decomposed wheat straw and pulverize it for later use.

[0022] Take 2 kg of dried Paecilomyces lilacinus culture and pulverize it, then mix it with 98 kg of wheat straw decomposed matter powder with a conical double-helix mixer for 35 minutes, and the uniformity reaches more than 95%, which is the finished product.

[0023] Using method is the same as embodiment 1.

Embodiment 3

[0025] Artificial cultivation of the biocontrol agent Paecilomyces lilacinus: The rice husk is sterilized by moist heat (ie, in a closed high-pressure steam sterilizer, 0.1MPa, 121°C for 50min for sterilization) to make a medium. After letting it cool, insert Paecilomyces lilacinus into it, and culture it at 20°C for 5 days until the mycelium is fully covered with the culture medium. Then take it out to dry. In addition, dry the decomposed wheat straw and pulverize it for later use.

[0026] Take 3 kg of dried Paecilomyces lilacinus culture and pulverize it, then mix it with 97 kg of wheat straw decomposed matter powder with a conical double-helix mixer for 35 minutes, and the uniformity reaches more than 95%, which is the finished product.

[0027] Using method is the same as embodiment 1.

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Abstract

The organic modifier for preventing and controlling vegetable rot knot nematode disease consists of dried wheat straw decaying process in 90-99 wt% and Paecilomyces lilacinus as biological germicidal agent in 1-10 wt% mixed homogeneously. The organic modifier may be applied in preventing and controlling vegetable rot knot nematode disease effectively. It has no toxicity to vegetable, high efficiency, high safety and environment friendship.

Description

technical field [0001] The invention relates to an organic improver for preventing and treating vegetable root-knot nematode disease. Background technique [0002] Root-knot nematode (Meloidogyne) is widely distributed all over the world, with a wide range of hosts, and severely damages plants. After the disease occurs, the yield is generally reduced by about 10%, and the serious one is as high as more than 75%. At the same time, it can make fungi and bacteria easy to infect plants, which is one of the important reasons for inducing plant diseases. [0003] In recent years, with the increase of greenhouses, root-knot nematode disease has become more and more serious, which has brought serious losses to greenhouse vegetables, resulting in decreased vegetable quality, low yield, death and complete production. The control of root-knot nematodes has always been dominated by chemical agents. Due to the extensive use of chemical pesticides, the problems of pesticide residues, poi...

Claims

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Application Information

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IPC IPC(8): C09K17/32A01N63/00A01P5/00C09K101/00
Inventor 李洪连孙炳剑袁虹霞邢小萍
Owner HENAN AGRICULTURAL UNIVERSITY
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