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
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[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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