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Method for preventing and treating soil insects by entomopathogenic nematodes

A technology of entomopathogenic nematodes and subterranean pests, applied in botany equipment and methods, gardening, hunting equipment, etc., can solve problems affecting crop quality, threatening human health, and unsatisfactory effects, and achieves high infection and lethal effectiveness, The effect of strong search host ability and fast onset time

Inactive Publication Date: 2016-08-10
ZHEJIANG LYUDUN BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the control of underground pests is still dominated by chemical insecticides, but the effect is not ideal, and it is easy to cause environmental pollution, threaten human health and other negative effects
Controlling subterranean pests through highly toxic chemical pesticides or increasing the amount of pesticide application not only leads to a substantial increase in their resistance to pesticides, but also seriously affects the quality of crops

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] 1. Preparation of Entomopathogenic Nematode Suspension

[0026] Dilute with about 100L of water per 100 million entomopathogenic nematodes, and prepare an entomopathogenic nematode suspension with a concentration of 1000IJs / ml according to this ratio.

[0027] 2. Application time

[0028] During the period of underground pest larvae, apply after the sun goes down in the evening or on cloudy days, when the soil temperature is between 16-30°C, and avoid applying when the sun is violent or there is heavy rain and wind.

[0029] 3. Application amount

[0030] Apply 100 L of entomopathogenic nematode suspension at a concentration of 1000 IJs / ml per mu.

[0031] 4. Application method

[0032] The entomopathogenic nematode suspension is put into the spraying equipment for uniform spraying or the entomopathogenic nematode is directly put into the reservoir in proportion to be applied by irrigation.

[0033] The technical effect that the present invention reaches

[0034] A...

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PUM

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Abstract

The invention discloses a method for preventing and treating soil insects by entomopathogenic nematodes. The method is characterized by comprising the specific steps: (a) preparing an entomopathogenic nematode suspension; (b) applying the entomopathogenic nematode suspension at a larval stage of the soil insects in a manner of enabling the entomopathogenic nematode suspension to be uniformly distributed to the land surface of crop soil; and (c) infecting larvae of the soil insects in the soil by the entomopathogenic nematodes in the entomopathogenic nematode suspension, so as to prevent and treat the soil insects. The method is a pollution-free natural-enemy biological control technology and has the characteristics of being convenient in application, high in host-searching capability, high in infected killing effectiveness, high in effect taking speed, safe to human and livestock, natural enemies and environments and the like, the defects of the traditional microbial agent biopesticides that the effect taking speed is low, resistance is easy to generate, the soil insects cannot be prevented and treated, and the like are broken through, and the soil insects can be prevented and treated instead of high-toxicity high-residue chemical pesticides, so that the method not only has ecological significance, but also has important environment-friendly significance.

Description

【Technical field】 [0001] The invention relates to the technical field of biological control, in particular to the technical field of the method for controlling underground pests through entomopathogenic nematodes. 【Background technique】 [0002] Subterranean pests refer to omnivorous insects that live in the soil and harm the underground parts of plants, seeds, seedlings or main stems near the soil surface during their whole life or at a certain stage of their life. Subterranean pests are the great enemies of crops. They harm seeds, young shoots, and rhizomes, resulting in lack of seedlings and even destruction of seeds, resulting in reduced crop yields, especially grubs, mole crickets, cutworms, and needleworms. [0003] At present, chemical insecticides are still the main method for underground pest control, but the effect is not ideal, and it is easy to cause environmental pollution and threaten human health and other negative effects. Controlling underground pests throu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01M99/00
CPCA01G13/00A01M99/00
Inventor 蒋千盛锡良
Owner ZHEJIANG LYUDUN BIOTECH CO LTD
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