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New use of lauric acid in prevention and control of meloidogyne incognita

A technology of root-knot nematode incognita and lauric acid, applied in the field of lauric acid, can solve problems such as root-knot nematode incognita

Active Publication Date: 2012-01-25
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As a natural fatty acid, lauric acid is non-toxic, and has many applications in food additives, spice industry, pharmaceuticals, etc., but there is no report on the control of root-knot nematode incognita.

Method used

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  • New use of lauric acid in prevention and control of meloidogyne incognita
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  • New use of lauric acid in prevention and control of meloidogyne incognita

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Experimental program
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Embodiment 1

[0018] Embodiment 1, the methanol solution of different concentration lauric acid is to the influence of incognita (Meloidogyne incognita)

[0019] 1, material: lauric acid (CAS: 143-07-7, Sigma) is made into the solution that concentration is 0.50mM, 1.00mM, 2.00mM and 4.00mM with chromatographically pure methanol, obtains respectively the methanol solution of 0.50mM lauric acid ( Insecticide 1), 1.00 mM lauric acid in methanol (insecticide 2), 2.00 mM lauric acid in methanol (insecticide 3), and 4.00 mM lauric acid in methanol (insecticide 4). Store in -20°C refrigerator for later use.

[0020] Meloidogyne incognita (Meloidogyne incognita) (Wu Yang, Zheng Jingwu, Shang Hanwu. Classification and identification of root-knot nematodes and progress. Zhejiang Agricultural Journal. 2005, 17: 106-110, the public can obtain from China Agricultural University) instar larvae.

[0021] 2. Method: Use insecticides 1-4 and chromatographically pure methanol (control) to treat the second...

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PUM

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Abstract

The invention discloses new use of lauric acid in prevention and control of meloidogyne incognita. According to the new use, the lauric acid is used for preparing a meloidogyne incognita insecticide; and in the insecticide, the lauric acid can be separately used as an active ingredient, and can also be compatible with other active ingredients for preventing and controlling the meloidogyne incognita to form an active ingredient. The insecticide is a methanol solution of the lauric acid, the insecticide is a repellent or an attractant, and the concentration of the lauric acid in the repellent is 4.00mM; and the concentration of the lauric acid in the attractant is 0.5 to 2.00mM. The methanol solution of the lauric acid used for preventing and controlling the meloidogyne incognita is safe, nontoxic and effective; when the concentration of a lauric acid solution is 4.00mM, the meloidogyne incognita can be repelled, and the lethality of the meloidogyne incognita is up to 67 percent; and when the concentration of the lauric acid solution is 0.5 to 2.00mM, the meloidogyne incognita can be attracted, and the lethality of the meloidogyne incognita reaches 39 percent.

Description

technical field [0001] The invention relates to a new application of lauric acid, in particular to the application of lauric acid in preventing and treating root-knot nematode incognita. Background technique [0002] Root-knot nematode is one of the important pathogenic organisms in the world. It has brought serious losses to the world's agricultural production, and the agricultural economic losses caused by it are as high as 157 billion in the world every year. There are more than 90 kinds of root-knot nematodes reported in the world, and southern root-knot nematode (Meloidogyne incognita), Java root-knot nematode (M.javanica), peanut root-knot nematode (M.arenaria) and northern root-knot nematode (M. .hapla) accounted for 95% of the whole root-knot nematodes. Meloidogyne incognita can cause a range of problems in facility production and reduce the yield of a large number of commercial crops. In northern my country, root-knot nematodes are the main species, and root-knot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/02A01P5/00A01P17/00A01P19/00
Inventor 左元梅董林林李晓林钟丽娜
Owner CHINA AGRI UNIV
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