Athetis lepigone larva feed and preparation method thereof

A technology of spodoptera and feed, which is applied in the field of larvae feed and its preparation, can solve the problems of low egg production per female and high mortality of larvae, so as to improve the survival rate and shorten the period of development , the effect of increasing the amount of eggs laid by adults

Active Publication Date: 2012-08-15
INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Corn seedlings are generally used as feed for indoor breeding of the two-pointed moth, which has the problems of high larval mortality, relatively long larval life, light weight of average female and male pupae, and low egg production per female.
However, there is no domestic report on the related research on the use of artificial feed for the indoor rearing of the two-pointed moth.

Method used

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  • Athetis lepigone larva feed and preparation method thereof
  • Athetis lepigone larva feed and preparation method thereof
  • Athetis lepigone larva feed and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1 Preparation of Feed 1 for Spodoptera larvae

[0023] Utilize the present invention to prepare 1000g feed 1, at first take raw material by weight percentage: corn flour 15.0%, soybean flour 2.0%, yeast powder 10.0%, sorbic acid 0.25%, complex vitamin B 0.12%, ascorbic acid 0.37%, sucrose 3.12% , agar 2.50%, distilled water 66.64%.

[0024] Mix corn flour, soybean flour and yeast powder, bake in an oven at 110-120° C. for 1 hour, add a small amount of distilled water, mix well, and use it as component A for later use. Mix sorbic acid, B complex vitamins, and ascorbic acid, grind to powder, and use as component B for later use. Add agar and sucrose in proportion to the remaining distilled water, cook until completely dissolved, add component A while stirring, keep stirring, and remove from the heat for 15-20 minutes after boiling; when the temperature drops to 50-55°C, pour in component A B. Stir well and cool to room temperature to obtain Feed 1 for the larvae...

Embodiment 2

[0026] Example 2 Preparation of Feed 2 for Spodoptera larvae

[0027] Utilize the present invention to prepare 1000g feed 2, first take raw material by weight percentage: 4.60% of corn flour, 6.90% of soybean flour, 3.68% of yeast powder, 5.0% of wheat germ flour, 0.23% of casein, 1.38% of corn leaf powder, Acid 0.23%, citric acid 0.14%, vitamin B complex 0.092%, ascorbic acid 0.23%, cholesterol 0.046%, choline chloride 0.046%, sucrose 0.46%, agar 1.38%, distilled water 75.586%.

[0028] Mix corn flour, soybean flour, yeast powder, wheat germ flour, casein, and corn leaf flour, bake in an oven at 110-120°C for 1 hour, add a small amount of distilled water and mix thoroughly, and use it as component A for later use. Mix sorbic acid, citric acid, B complex vitamins, ascorbic acid, cholesterol, and choline chloride, grind them into powder, and use them as component B for later use. Add agar and sucrose in proportion to the remaining distilled water, cook until completely dissolv...

Embodiment 3

[0029] Example 3 Preparation of Feed 3 for Spodoptera larvae

[0030] Utilize the present invention to prepare 1000g feed 3, at first take raw material by weight percentage: corn flour 10.6%, soybean flour 8.40%, yeast powder 5.03%, sorbic acid 0.28%, formaldehyde 0.12%, ascorbic acid 0.5%, sucrose 4.19%, agar 1.12%, distilled water 69.76%.

[0031] Mix corn flour, soybean flour and yeast powder, bake in an oven at 110-120° C. for 1 hour, add a small amount of distilled water, mix well, and use it as component A for later use. Mix sorbic acid, formaldehyde, and ascorbic acid, grind to powder, and use it as component B. Add agar and sucrose in proportion to the remaining distilled water, cook until completely dissolved, add component A while stirring, keep stirring, and remove from the heat for 15-20 minutes after boiling; when the temperature drops to 50-55°C, pour in component A B. Stir well and cool to room temperature to obtain Feed 3 for the larvae of Spodoptera exigua. ...

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Abstract

The invention provides Athetis lepigone larva feed, which is made of, in weight percentage, 1-15% of cornmeal, 2-10% of soybean meal, 1-10% of yeast powder, 0-5% of wheat germ flour, 0-5.0% of casein, 0-5.0% of corn leaf powder, 0.1-2.0% of sorbic acid, 0-1.0% of formaldehyde, 0-2.0% of citric acid, 0-1.0% of vitamin B complex, 0-0.5% of ascorbic acid, 0-0.05% of cholesterol, 0-0.5% of choline chloride, 0.1-5.0% of cane sugar, 0.1-5.0% of agar and the balance of distilled water. The invention further provides a preparation method of the Athetis lepigone larva feed, which includes adding the distilled water to cook the agar and the cane sugar, adding the cornmeal prior to boiling, and adding the sorbic acid and the like after boiled stuff is removed from fire. The Athetis lepigone larva feed is applicable to feeding larvae of Athetis lepigone, survival rate of the larvae and egg laying amount of next-generation adults can be increased, and sufficient insect sources are provided for laboratory study of the Athetis lepigone.

Description

technical field [0001] The invention relates to the preparation of insect feed, in particular to a feed for larvae of the spodopteryx moth and a preparation method thereof. Background technique [0002] Athetis lepigone Moschler belongs to Lepidoptera Noctuidae. It is mainly distributed in Japan, Korea, Siberia and Far East in Europe and Asia. It is a new pest after the reform of farming system in my country. Domestically, since the insect was first discovered in 2005 in Hebei Province to injure summer maize seedlings, the area infested by it has gradually expanded, and the degree of damage has become more and more serious, which has seriously threatened the safe production of summer maize in the Huanghuaihai region. The larvae of this insect mainly concentrate on the root base of host crops, bite the young tissues of the root base, or damage the stem at the base of the stem, resulting in the death of seedlings, especially corn seedlings at the 3-5 leaf stage. [0003] Due ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18
Inventor 党志红高占林李耀发潘文亮李妍妍温晋津李楠许桂明
Owner INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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