Large-scale breeding method for laodelphax striatellus

A planthopper and feed technology, applied in animal feed, animal feed, application, etc., can solve problems such as unfavorable large-scale breeding, high requirements for light, water, and temperature, and reduce the difficulty of manual purging and save labor. and time, time saving effect

Inactive Publication Date: 2017-01-11
INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

According to data reports, artificial breeding of SBPH usually uses rice as feed, but the growth of rice requires high light, water and temperature, which is not conducive to large-scale breeding in the north.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0023] The specific implementation of the present invention will be described in conjunction with the examples.

[0024] 1. Preparation of breeding materials for SBPH:

[0025] Preparation of nutrient soil: Take the soil back from the field test site and sieve it to remove large particles such as stones, and then mix the nutrient soil with the flower soil and vermiculite bought from the market in a ratio of 2:1:1, and set it aside.

[0026] Screening and germination of wheat seeds: choose wheat varieties with broad leaves, compact plant type, and strong growth as feed. After determining the wheat variety, select seeds with the same plumpness and soak them in the soaking solution mixed with chlormequat: water at a ratio of 1:25. After soaking for 24 hours, rinse them with clean water repeatedly, drain the water, and cover the surface with soaked water. Moisturize with wet gauze, rinse the seeds every 12 hours, and prepare for sowing after the seeds are white.

[0027] Sowing:...

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Abstract

The invention relates to a large-scale breeding method for laodelphax striatellus by utilizing wheat as main feed, and belongs to the technical field of insect breeding. The large-scale breeding method comprises the following steps: screening wheat seeds and accelerating germination of the wheat seeds, sowing the germinated wheat seeds in a green house, and taking the wheat seeds as laodelphax striatellus feeding feed when wheat grows to the two-leaf one-heart period, and is 6cm high; and covering the wheat by an insect breeding cover, and breeding laodelphax striatellus on wheat seedlings covered by the insect breeding cover. According to the large-scale breeding method for the laodelphax striatellus provided by the invention, a method which takes wheat as feed to carry out laodelphax striatellus annual breeding is gradually formed based on multi-year research on diseases infected with viruses transmitted by insects such as the maize rough dwarf disease, the wheat rosette dwarf and the wheat yellow-stripe dwarf disease. The large-scale breeding method is simple and convenient to operate, guarantees consistent larva instar and a high laodelphax striatellus breeding rate, realizes annular continuous feeding for a large number of laodelphax striatellus, can provide enough test insects at any time, and meets experimental needs of many units.

Description

technical field [0001] The invention relates to a large-scale breeding method for brown planthoppers using wheat as the main feed, and belongs to the technical field of insect breeding. Background technique [0002] The brown planthopper is a major pest that seriously harms grass crops and is widely distributed throughout my country. Wheat, corn, and rice are the main food crops in northern my country, and each crop has the occurrence and damage of various viral diseases. Such as: corn rough dwarf disease, rice stripe leaf blight, wheat bush dwarf disease, wheat yellow stripe dwarf disease, etc., and the small striatellus is the main carrier of the above important viral diseases. In recent years, with the influence of factors such as farming system and abnormal climate change, there has been a new trend of viral diseases caused by SBPH. For example, in the 1970s, the wheat bush dwarf disease that occurred in Hebei Province has been sporadic in the field at present, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/033A23K50/90A23K10/30
CPCA01K67/033
Inventor 张爱红邸垫平崔禹霍良占杨菲苗洪芹
Owner INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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