Paecilomyces lilacinus wettable powder, preparation method and application thereof

A technology of wettable powder, Paecilomyces lilacinus, applied in the directions of botanical equipment and methods, applications, biocides, etc.
CN102894012BActive Publication Date: 2015-03-04INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY
Publication Date
2015-03-04

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Abstract

The invention discloses paecilomyces lilacinus wettable powder, a preparation method and application thereof. The paecilomyces lilacinus wettable powder comprises the following components of paecilomyces lilacinus spore powder or fermentation liquor, a vector, a wetting agent and a dispersing agent, wherein the wetting agent is selected from any one or more of D1002, NNO or sodium lignin sulfonate; and the paecilomyces lilacinus wettable powder also comprises an ultraviolet protection agent or / and a synergist. According to the paecilomyces lilacinus wettable powder, the traditional wetting agents and dispersing agents are screened and optimized to obtain a specific species and a dosage having a smaller influence on the growth of the paecilomyces lilacinus; in addition, the ultraviolet protection agent for preventing paecilomyces lilacinus spores from being damaged by ultraviolet and the synergist for promoting plants to take roots or increasing the meloidogyne killing effect are further screened and obtained. The invention further provides the preparation method of the paecilomyces lilacinus wettable powder and the application of the wettable powder in preventing and controlling plant meloidogyne.
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Description

technical field

[0001] The invention relates to a biological pesticide preparation, in particular to a wettable powder of Paecilomyces lilacinus (P.lilacinus) for controlling root-knot nematodes and a preparation method thereof, which belongs to the field of biological pesticide preparations of Paecilomyces lilacinus. Background technique

[0002] Paecilomyces lilacinus (P.lilacinus) is a resident fungus in the soil and the rhizosphere of various plants. It has a high parasitic rate to the root-knot nematode incognita, which can reach more than 80%. Paecilomyces lilacinus is a very important plant-parasitic nematode egg-parasitic fungus, which has been widely used to control harmful plant-parasitic nematodes such as root-knot nematodes and cyst nematodes. As one of the important biocontrol bacteria for the control of plant parasitic nematodes, the rapid germination of Paecilomyces lilacinus spores can directly affect the pathogenicity of the strain to the host, and can great...

Claims

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