Manual breed conservation method of synonycha grandis adults in wintering period

A technology for the overwintering period of lady beetles and the overwintering period, which is applied in the field of artificial conservation of the overwintering period of adult lady beetles, and can solve the problems of death of overwintering lady beetles, destruction of natural overwintering places of lady beetles, and low survival rate of lady beetles over wintering, etc. problems, to achieve the effect of easy to master, improve the survival rate of overwintering, and good seed preservation effect

Inactive Publication Date: 2009-02-04
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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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 pla

Method used

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Embodiment Construction

[0018] 1. Feed preparation

[0019] 1) Preparation of frozen sugarcane cotton aphids: collect a large amount of fresh sugarcane cotton aphids from the field from August to October every year, pack them in petri dishes with a diameter of 10 cm, cover them, and store them in a -18°C refrigerator for later use. Cotton aphid; take as needed.

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

[0021] 2. Preparation of indoor overwintering place: Put 6-8 sections of 15-20cm long dead sugarcane sheaths vertically in a glass tank with a diameter of 18cm×30cm in height, and put a petri dish with a diameter of 5cm at the bottom of the tank, which contains absorbent cotton that can absorb enough sucrose water. Scatter frozen sugarcane cotton aphids around the bottom of the cylinder again.

[0022] 3. Collection of overwintering adults: I...

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Abstract

An indoor artificial preservation method of synonycha grandis adults in a wintering period 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 preservation method for the overwintering stage of adult beetle beetles. Background technique: [0002] The sugarcane cotton aphid Ceratovacuna lanigera Zehntner belongs to 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. Damaged cane generally reduces yield by 13.7% to 24.6%, heavy ones reduce yield by more than 50%, and sucrose content decreases 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 highly toxic and broad-spectrum pesticides, it not only kills a large number of natural enemies of pests in nature, destroys the ecological balance, causes pests to develop resistance, and pollutes the environment. It is also easy to cause Pesticide residues in sugar are harmful to human health. Therefore researching and devel...

Claims

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Application Information

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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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