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Method for improving reproductive capacity of Chrysopa septempunctata

A lacewing and ability technology, applied in the field of insect physiology, can solve problems such as no one has studied, and achieve the effects of increasing the number of eggs laid, improving the hatching rate of eggs, and prolonging the duration of egg laying.

Inactive Publication Date: 2016-06-01
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI +1
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

How does the use of hormone analogues affect reproductive indicators such as insect egg production? In which insects does a hormone analog work? During which period of growth and development should it be used? What kind of solution should be prepared? What is the appropriate concentration? What method should be adopted to enter the insect body conveniently and quickly? No one has studied these issues so far

Method used

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  • Method for improving reproductive capacity of Chrysopa septempunctata
  • Method for improving reproductive capacity of Chrysopa septempunctata
  • Method for improving reproductive capacity of Chrysopa septempunctata

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Embodiment Construction

[0013] specific implementation plan

[0014] The present invention will be further clarified through the detailed description of specific embodiments below, but it is not intended to limit the present invention, but only for illustration.

[0015] A buffer solution is prepared, and the hormone analog is dissolved in the buffer solution at a certain concentration. 50 female lacewings were selected, and the hormone analog solution was delivered to the lacewing through a specific method; at the same time, another 50 female lacewings were selected, and the buffer solution was delivered to the lacewing through the same method. Then the large lacewing females and males are mixed and reared, allowing them to mate and lay eggs. Record the pre-spawning period, the amount of spawning, and the spawning period. Collect the eggs produced every day, hatch them at a suitable temperature, and record the hatching rate. Compared with the large lacewings using the buffer solution, the first o...

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Abstract

The invention discloses a method for improving reproductive capacity of Chrysopa septempunctata which is important predatory insects. Through use of a certain hormone analogue, the reproductive process of the Chrysopa septempunctata is regulated and controlled, vitellogenin synthesis is promoted, the preoviposition period is shortened, the oviposition period is prolonged, the oviposition amount is increased, and the egg hatching rate is increased. The method is convenient and quick, can be applied to large-scale production of the Chrysopa septempunctata, can improve the reproductive capacity of the Chrysopa septempunctata and has very bright application prospect.

Description

technical field [0001] The invention belongs to the field of insect physiology, and in particular relates to a method for improving the reproductive capacity of the lacewing. Background technique [0002] The application of chemical pesticides in the control of agricultural pests causes environmental pollution and ecological imbalance. Controlling pests by means of natural enemy insects is an effective and green means of control and has a very broad application prospect. Dacaoling is an important predatory natural enemy of agricultural, forestry, fruit and vegetable pests in my country. It is widely distributed, has a large population, and both adults and larvae can prey on a variety of pests. It is an important part of the agricultural and forestry ecosystem and is highly valued by domestic and foreign bio-control workers. [0003] Large-scale production is the development trend of the application of natural enemy insects, and there is no report on the large-scale reprodu...

Claims

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Application Information

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IPC IPC(8): A01K67/033
Inventor 毛建军张婷婷曾凡荣张国财
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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