Preparation method of pesticide for controlling leaf miner
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- QINGDAO MAOFENG ORGANIC VEGETABLE
- Publication Date
- 2014-02-26
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
[0001] technical field
[0002] The invention belongs to the technical field of vegetable disease and insect pest control, and in particular relates to a preparation method of a medicine for preventing and controlling leaf miners.
[0003] Background technique
[0004] Leaf miners are 4 to 6 mm long and gray-brown. The male flies have hair under the front edge, the legs and tibia are gray-yellow, the tarsus is black, and the hind tibia is 3 bristles. Eggs are white, oval, 0.9 mm × 0.3 mm in size, and mature larvae are about 7.5 mm long, wrinkled, and dark yellow. The pupa, about 5 mm long, is oval in shape, initially light yellow-brown, then reddish-brown, and dark brown before eclosion. Leafminer is one of the main pests and diseases of vegetables. As larvae, it sneaks under the epidermis of the host leaf, zigzags through, and feeds on green tissues, resulting in irregular gray-white linear tunnels. When the damage is serious, almost all the leaf tissue is damaged, and ...