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Application of Rhabditis (Oscheius) spp. in control of plant nematode

A technology for small rod nematodes and plant nematodes, applied in the fields of application, nematicides, plant growth regulators, etc., to achieve the effects of easy cultivation and propagation, convenient use, and easy acquisition

Inactive Publication Date: 2006-12-27
刘奇志
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Problems solved by technology

[0004] Traditionally, it is believed that nematodes of the genus Rhabditis (Oscheius) (abbreviated as small rod nematodes) are bacteria-eating nematodes. There is no report that small rod nematodes can inhibit the population density of plant nematodes at home and abroad, and there is no field use of small rod nematodes Rhabditis ( Oscheius) spp to control plant nematodes to achieve effective control

Method used

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  • Application of Rhabditis (Oscheius) spp. in control of plant nematode
  • Application of Rhabditis (Oscheius) spp. in control of plant nematode
  • Application of Rhabditis (Oscheius) spp. in control of plant nematode

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Experimental program
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Embodiment

[0020] 1 Materials and methods

[0021] 1.1 Test material

[0022] The test agent: the small rod nematode Rhabditis (Oscheius) sp. (Bn) was lured by the lab members from the cucumber rhizosphere soil in the greenhouse with mature larvae of the greater wax moth, and the mature larvae of the greater wax moth were used to separate, purify, and amplify It can be propagated and cultivated, and can be released to the public. The collected small rod nematodes were suspended in the aqueous solution, stored at 4°C by the shallow water layer method, and administered within 20 days.

[0023] 1.2 Test site

[0024] This experiment was carried out in a greenhouse in Liancheng Township, Tongxu County, Henan Province. The greenhouse runs east-west, 50m long and 8m wide, and is divided into 40 north-south ridges. The cross-section of the ridge is saddle-shaped, and the saddle valley is used for watering. Two rows of cucumbers are planted on both sides, with about 40 plants in each row. Th...

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Abstract

The invention relats to an application of Rhabditis(Oscheius)spp. to preventing and treating plant nematodes. It is indicated by field tests that Rhabditis(Oscheius)spp. can suppress population density accretion of plant nematodes, has an obvious suppression effect for plant parasitic nematodes at cucumber roots in greenhouses, and can be used as a ecological prevention and treatment preparation for biology. Rhabditis(Oscheius)spp. can be used conviently, without chemical pesticide residue. Rhabditis(Oscheius)spp. spreads broadly, and obtained easily.

Description

technical field [0001] The invention relates to the technical field of biological ecological control, in particular to the application of the small rod nematode Rhabditis (Oscheius) spp in the prevention and control of harmful nematodes - plant nematodes. technical background [0002] There are many kinds of plant nematodes with wide distribution, and the plant diseases caused directly or indirectly by them have become the main problems in the production of economic crops such as agriculture, animal husbandry and forestry. In recent years, with the expansion of the planting area of ​​vegetables, fruit trees and other crops in protected areas, due to the characteristics of high temperature, high humidity, closed microclimate and heavy cropping cultivation in greenhouses, many plant nematodes have avoided the restriction of land adverse climate and continued to spread. Therefore, the problem of plant nematodes has become more and more prominent, and has become an important lim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/00A01P5/00
Inventor 刘奇志
Owner 刘奇志
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