Artificial feed of spodoptera frugiperda and preparation method of artificial feed
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A technology of Spodoptera frugiperda and artificial feed, which is applied in the field of insect breeding to achieve the effect of uniform growth of larvae
Inactive Publication Date: 2019-08-30
ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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However, there are few reports on the research on the formula of artificial diet of fall armyworm at present, so there is an urgent need to develop an artificial diet suitable for fall armyworm
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Embodiment 1
[0030] An artificial feed for Spodoptera frugiperda, comprising the following ingredients by weight percentage: 5% corn flour, 1% wheat germ flour, 2% yeast powder, 0.4% phospholipid, 1% agar, 0.1% preservative, anti-mold 0.1% morin, 0.2% morin, 0.06% steviol and 0.2% β-sitosterol, and the balance is water; wherein, the pH of the water is 5.0.
[0031] The preservatives are sodium benzoate, sorbic acid and methylparaben in a weight ratio of 1:1:5.
[0032] The antifungal agent is phosphoric acid and propionic acid in a weight ratio of 1:10.
[0033] The preparation method of described artificial feed is:
[0034] Take water, add agar, heat to dissolve, and the mass of water is 3 times of the mass of agar; add the remaining components at 60°C, stir evenly, cool, and store for later use.
Embodiment 2
[0036] An artificial feed for Spodoptera frugiperda, comprising the following ingredients by weight percentage: 10% corn flour, 4% wheat germ flour, 6% yeast powder, 0.7% phospholipid, 3% agar, 0.3% preservative, anti-mold 0.3% morin, 0.5% morin, 0.1% steviol and 0.6% β-sitosterol, and the balance is water; wherein, the pH of the water is 5.5.
[0037] The preservatives are sodium benzoate, sorbic acid and methylparaben in a weight ratio of 1:2:7.
[0038] The antifungal agent is phosphoric acid and propionic acid in a weight ratio of 1:12.
[0039] The preparation method is the same as in Example 1.
Embodiment 3
[0041] An artificial feed for Spodoptera frugiperda, comprising the following ingredients by weight percentage: 10% corn flour, 1% wheat germ flour, 5% yeast powder, 0.6% phospholipid, 3% agar, 0.2% preservative, anti-mold 0.3% of morin, 0.5% of morin, 0.1% of steviol and 0.6% of β-sitosterol, and the balance is water; wherein, the pH of water is 5.2;
[0042] Preservatives are sodium benzoate, sorbic acid and methylparaben in a weight ratio of 1:2:7;
[0043] The antifungal agent is phosphoric acid and propionic acid in a weight ratio of 1:10.
[0044] The preparation method is the same as in Example 1.
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Abstract
The invention provides an artificial feed of spodoptera frugiperda and a preparation method of the artificial feed. The artificial feed disclosed by the invention comprises the following ingredients of 5-10% of corn flour, 1-4% of wheat germ powder, 2-6% of yeast powder, 0.4-0.7% of phospholipid, 1-3% of agar, 0.1-0.3% of a preservative, 0.1-0.3% of a mildew-proof agent, 0.2-0.5% of morin, 0.06-0.1% of steviol, 0.2-0.6% of beta-sitosterin and the balance water, wherein the pH of the water is 5.0-5.5. The artificial feed disclosed by the invention is good in mildew preventing effects. After thefeed is fed, the larva period of the spodoptera frugiperda is shortened to 11.3+ / -0.4d, the chrysalis period of the spodoptera frugiperda is shortened to 8.0+ / -0.5d, the generation period is shortened to 32.2+ / -0.1d, the average survival rate of the spodoptera frugiperda at the larval phase reaches 96.11%, and the body height of aged larva of the spodoptera frugiperda reaches 30+ / -2mm.
Description
technical field [0001] The invention relates to the technical field of insect feeding, in particular to an artificial feed for Spodoptera frugiperda and a preparation method thereof. Background technique [0002] Spodoptera frugiperda, commonly known as Fall Armyworm (Fall Armyworm), belongs to the Lepidoptera Noctuidae family Spodoptera genus, is a kind of omnivorous pest native to tropical and subtropical regions of America, widely distributed in the American continent , which harm a variety of crops, was rated as the world's top ten plant pests by the International Center for Agriculture and Biological Sciences CABI in the "2017 State of the World Plant Report". On June 5, 2019, the General Office of the Ministry of Agriculture and Rural Affairs issued the "Notice on Doing a Good Job in the Emergency Prevention and Control of Fall Armyworm", which showed that Fall Armyworm invaded Yunnan and Guangxi from Southeast Asia in January 2019. provinces (autonomous regions, munic...
Claims
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