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Compound biological agent and its application in eradicating root-knot nematode

A technology of biological preparations and nematodes, applied in the field of compound biological preparations for the control of root-knot nematodes, can solve the problem that the extraction rate is only 18.70%, and achieve the effect of being suitable for mass production and promotion, simple and effective in use, and low in cost

Active Publication Date: 2021-10-29
北京国康本草物种生物科学技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While utilizing organic solvents to carry out the extraction of Mianma Guanzhong, the extraction rate is only 18.70%.

Method used

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  • Compound biological agent and its application in eradicating root-knot nematode
  • Compound biological agent and its application in eradicating root-knot nematode
  • Compound biological agent and its application in eradicating root-knot nematode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The active ingredients of the composite biological preparation are: 0.5 g of xylanase, 0.1 g of cellulase, and 0.1 g of protease. Table 3 shows the results of treating the soil of the yam cropping land according to the treatment methods in Table 2.

[0043] Table 3 Number of ground nematodes in yam cropping after treatment

[0044]

Embodiment 2

[0046] The active ingredient of the composite biological preparation is composed of: 0.2 g of xylanase, 0.2 g of cellulase, and 0.1 g of protease. Table 4 shows the results of treating the soil of the yam cropping land according to the treatment methods in Table 2.

[0047] Table 4 Number of ground nematodes in yam cropping after treatment

[0048]

Embodiment 3

[0050] The active ingredient of the composite biological preparation is composed of: 0.3 g of xylanase, 0.1 g of cellulase, and 0.2 g of protease. Table 5 shows the results of treating the soil of the yam cropping land according to the treatment methods in Table 2.

[0051] Table 5 Number of ground nematodes in yam cropping after treatment

[0052]

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Abstract

The present invention relates to compound biological preparation and its application in eradicating root-knot nematode. The active ingredient contained in the composite biological preparation is a composition for preventing and controlling nematodes, and the composition contains seaweed polysaccharide, xylanase, cellulase, protease and β-glucosidase. The composite biological preparation made of the composition is easily soluble in water, can be added to the irrigation liquid, penetrates into the soil while irrigating, and achieves the effect of preventing and controlling root-knot nematodes, and can also be used to irrigate the soil before planting. The method of use is simple and effective. The nematode control rate reaches more than 90%, is non-toxic and harmless to animals and plants, has low cost, and is suitable for mass production and popularization.

Description

technical field [0001] The invention relates to the technical field of biological control, in particular to a compound biological preparation for controlling root-knot nematode and its application. Background technique [0002] Root-knot nematode Meloidogyne spp. is a soil-borne pathogen that is a bilaterally symmetrical, colorless, transparent invertebrate. The nematode body can be divided into body wall and body cavity. The body wall is composed of cuticle, subdermis and muscle from the outside to the inside. Inside the body wall is the body cavity, which is filled with body fluid used to moisten various organs. This liquid As the original blood of nematodes, it supplies the nutrients and oxygen needed by the nematodes. Nematodes harm the plant root system, induce plant root distortion to form "tumor-like" protrusions, cause plant physiological lesions, affect plant growth and development, and cause crop quality to decline, yield reduction by 20-40%, severe yield reductio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N61/00A01N43/16A01P5/00A01G13/00
CPCA01G13/00A01N43/16A01N61/00A01N2300/00
Inventor 王代军单思博
Owner 北京国康本草物种生物科学技术研究院有限公司