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Manual breed conservation method of synonycha grandis adults in wintering period

A technology for the overwintering period of the large-shouldered ladybug, which is applied to the field of artificial conservation of the adult large-shouldered ladybug during the wintering period, and can solve the problem of destroying the natural overwintering site of the ladybug, death of the overwintering ladybug, and low survival rate of the overwintering ladybug. problem, to achieve the effect of improving the survival rate of overwintering, easy to master, and good seed preservation effect

Inactive Publication Date: 2011-11-23
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main reasons are: on the one hand, the overwintering survival rate of ladybugs is low under natural conditions, and secondly, the natural overwintering places of ladybugs are artificially destroyed when sugarcane is harvested, and a large number of overwintering ladybugs die due to the burning of sugarcane leaves.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] 1. Feed preparation

[0019] 1) Preparation of frozen sugarcane cotton aphid: A large amount of fresh sugarcane cotton aphid is collected from the field from August to October every year, packed in a petri dish with a diameter of 10cm, and stored in a refrigerator at -18℃ for later use. In October, a large amount of fresh sugarcane will be collected in the field. Cotton aphid; take as needed.

[0020] 2) Preparation of sucrose water: take 1 part of white granulated sugar in a clean container with weight as a unit, add 10 parts of water, and stir until completely dissolved to obtain sucrose water; prepare as needed.

[0021] 2. Preparation for indoor overwintering sites: 6-8 sections of 15-20cm long sugarcane dead leaf sheaths are placed vertically in a glass tank with a diameter of 18cm×30cm, and a petri dish with a diameter of 5cm is placed at the bottom of the tank. The absorbent cotton is filled with sucrose water. Then spread frozen sugarcane aphid around the bottom of th...

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PUM

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Abstract

The present invention relates to an indoor artificial preservation method of synonycha grandis adults in a wintering period. The method is characterized in that an outdoor wintering environment of the synonycha grandis adults is simulated indoors, a large amount of the synonycha grandis adults in sugar cane fields are collected in late November every year before cold winter and put in the indoor wintering environment, bred by an artificial feed and protected for wintering; the simulated wintering environment is formed by vertically putting 6-8 sections of withered sugar cane sheaths with the length to be 15-20cm in a glass tank with the size that is 18cm is multiplied by 30cm, and arranging a petri dish with the diameter to be 5cm at the tank bottom. The tank is added with absorbent cotton which fully absorbs sugar cane water, and tightly covered with a metal gauze at the opening of the tank. The indoor artificial preservation method of the synonycha grandis adults has the advantages of obviously improving the wintering survival rate of the ladybugs, good preservation effect, effectively and safely protecting wintering for the adult ladybugs, convenient operation and easy mastery. The indoor artificial preservation method is a set of simple and feasible method, and is widely applicable to sugar cane areas.

Description

Technical field: [0001] The invention relates to an artificial seed conservation method for adults of ladybird beetle overwintering period. Background technique: [0002] The sugarcane cotton aphid Ceratovacuna lanigera Zehntner belongs to the order of Homoptera and Aphididae. It is one of the main pests in sugarcane production, and its occurrence area can reach more than 80% of the planting area. In general, the yield of damaged sugarcane is reduced by 13.7% to 24.6%, the weight loss is more than 50%, and the sucrose content is reduced by 10% to 40%. At present, the control of sugarcane cotton aphid mainly relies on chemical pesticides. Due to the long-term continuous use of high-toxic and broad-spectrum pesticides, it not only kills a large number of natural enemies of pests in nature, destroys the ecological balance, makes the pests resistant to pesticides, and pollutes the environment. Pesticide residues in sugar endanger human health. Therefore, research and development an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033A23K1/18A23K10/20A23K20/163A23K50/90
Inventor 黄应昆李文凤尹兴祥王晓燕罗志明卢文洁
Owner SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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