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Semi-artificial feed for Spodoptera frugiperda and preparation method of semi-artificial feed and method for feeding Spodoptera frugiperda

A semi-artificial technology of Spodoptera frugiperda, which is applied in the field of insect breeding, can solve the problems of low survival rate of young larvae of Spodoptera frugiperda, affect the scale of feeding of Spodoptera frugiperda, and complex feed ingredients, etc., so as to improve the survival rate of larvae, The effect of low cost and easy preparation

Pending Publication Date: 2019-12-20
INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are few studies on the semi-artificial diet of Spodoptera frugiperda, and artificial feeds of other Noctuidae insects are often used instead or improved, resulting in low survival rate of young larvae of Spodoptera frugiperda and complex feed ingredients
Complicated preparation and high feed cost
Thereby seriously affecting the expansion of the breeding scale of fall armyworm

Method used

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  • Semi-artificial feed for Spodoptera frugiperda and preparation method of semi-artificial feed and method for feeding Spodoptera frugiperda
  • Semi-artificial feed for Spodoptera frugiperda and preparation method of semi-artificial feed and method for feeding Spodoptera frugiperda

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The preparation method of embodiment 1 Spodoptera frugiperda larva artificial feed comprises the following steps:

[0039] (1). Weigh the following components by weight: soybean 100g, corn flour 100g, yeast powder 60g, corn oil 4g, ascorbic acid 2g, sorbic acid 2g, methyl p-hydroxybenzoate 2g, cholesterol 0.8g, agar 16g, water 1000g.

[0040] (2). Put the soybean powder, yeast powder, and corn flour in step 1 together into an autoclave, and sterilize for 30 minutes under the conditions of a pressure of 1.0 MPa and a temperature of 121° C., and then take out the obtained product for later use.

[0041] (3). The corn oil, ascorbic acid, sorbic acid, methyl p-hydroxybenzoate, cholesterol in (1), and 5%-10% (weight) water in (1) are stirred evenly to obtain a mixed product.

[0042] (4). Mix the product obtained in (2) with the mixed product obtained in (3), add 10%-20% (weight) water in (1), and stir again to obtain a secondary mixed product.

[0043](5). The agar in the...

Embodiment 2

[0052] The preparation method of embodiment 2 Spodoptera frugiperda larva artificial feed comprises the following steps:

[0053] (1). Weigh the following components by weight: 1000g of water, 120g of soybean flour, 100g of corn flour, 40g of yeast powder, 3.5g of corn oil, 3g of ascorbic acid, 2g of sorbic acid, 2g of methyl p-hydroxybenzoate, and 0.8g of cholesterol , Agar 16g.

[0054] (2) Put the soybean powder, yeast powder, and corn flour in (1) together into an autoclave, and sterilize for 30 minutes under the conditions of a pressure of 1.0 MPa and a temperature of 121°C, and take it out for use.

[0055] (3). The corn oil, ascorbic acid, sorbic acid, methyl p-hydroxybenzoate, cholesterol in (1), and 5%-10% (weight) of water in (1) are stirred evenly to obtain a mixed product.

[0056] (4). Mix the product obtained in (2) with the mixed product obtained in (3), add 10%-20% (weight) of water in (1), and stir again to obtain a secondary mixed product.

[0057] (5). The...

Embodiment 3

[0066] The preparation method of embodiment 3 Spodoptera frugiperda larva artificial feed comprises the following steps: (1) weighing following weight components: water 1000g, soybean powder 100g, corn flour 120g, yeast powder 40g, corn oil 3g, ascorbic acid 3g, Sorbic acid 2g, methyl p-hydroxybenzoate 2g, cholesterol 0.8g, agar 16g.

[0067] (2) Put the soybean powder, yeast powder, and corn flour in (1) together into an autoclave, and sterilize for 30 minutes under the conditions of a pressure of 1.0 MPa and a temperature of 121°C, and take it out for use.

[0068] (3). The corn oil, ascorbic acid, sorbic acid, methyl p-hydroxybenzoate, cholesterol in (1), and 5%-10% (weight) of water in (1) are stirred evenly to obtain a mixed product.

[0069] (4). Mix the product obtained in (2) with the mixed product obtained in (3), add 10%-20% (weight) of water in (1), and stir again to obtain a secondary mixed product.

[0070] (5). The agar in the step (1) is put into the remaining ...

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Abstract

The invention provides a semi-artificial feed for Spodoptera frugiperda and a preparation method of the semi-artificial feed and a method for feeding the Spodoptera frugiperda. The semi-artificial feed comprises soybean meal (7.00%-9.00%), yeast meal (3.00%-4.50%), corn meal (7.50%-9.50%), corn oil (0.20%-0.30%), ascorbic acid (0.20%-0.30%), sorbic acid (0.10%-0.20%), methyl parahydroxybenzoate (0.10%-0.20%), cholesterol (0.060%-0.065%), agar (1.00%-1.50%), and water (75.00%-80.00%), base on weight percentage. The feed provided by the invention has low cost, wide source of feed raw materials,and simple and convenient preparation, is suitable for growth, development and reproduction of the Spodoptera frugiperda, can be used for group feeding, and thus can realize long-term successive large-scale feeding of the Spodoptera frugiperda (large-scale feeding with successive generations). Moreover, the preparation method of the semi-artificial feed for Spodoptera frugiperda is provided.

Description

technical field [0001] The invention belongs to the technical field of insect feeding, and in particular relates to an artificial feed for Spodoptera frugiperda and its preparation method and feeding method. Background technique [0002] Spodoptera frugiperda belongs to Lepidoptera Noctuidae. Its larvae are like marching and spread in groups. It is an omnivorous pest native to America and subtropical regions. It is a migratory pest and can harm corn, Rice, sorghum, potatoes, sugarcane and more than 80 kinds of crops have resulted in reduced or even no harvests. [0003] In order to realize the effective control of fall armyworm, reduce and avoid the harm to crops, it is urgent to effectively control the invasive fall armyworm, reduce and avoid the harm to crops, and urgently need Comprehensive prevention and control, the use of comprehensive prevention and control measures requires indoor toxicity testing, research on biological characteristics and screening of insecticides...

Claims

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Application Information

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IPC IPC(8): A23K50/90A23K10/30A23K10/16A23K20/174A23K20/168A23K20/163A23K20/158A23L3/3508A23L3/3517A01K67/033
CPCA23K50/90A23K10/30A23K10/16A23K20/174A23K20/168A23K20/163A23K20/158A23L3/3508A23L3/3517A01K67/033Y02A40/90
Inventor 刘旭刘昌华陈庆东陈松刘虹伶李超刘月悦李晓邹成佳崔丽娜郝员敏
Owner INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI
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