Tobacco leaf miner

Phthorimaea operculella (Zeller) Lepidoptera, Ga. Synonyms Gnorimoschema operculella (Zeller) alias potato moth, potato tuber moth, tobacco leaf miner, potato aphids and so on. Distribution of tobacco producing areas in the tenth provinces and cities of Shanxi, Shaanxi, Gansu, Guangxi, Guangdong, Sichuan, Yunnan, and Guizhou. It is an important quarantine subject in the world. In recent years, some tobacco growing areas in northern China have been spreading.

There are dozens of hosts such as tobacco, potatoes and eggplants.

Injury larvae invade into the leaves of the leaf, and the linear ridges appear on the leaves or the lesions are brightly blistered. Seedlings damage the top buds, causing the whole plant to die. There are also stalks that penetrate the petiole and tobacco plants.

Morphological characteristics, living habits, see potato pests - potato tuber moth.

Prevention methods (1) Strengthen quarantine and prohibit the transfer of tobacco seedlings, potatoes, eggplants, etc. from areas where there are such insects. (2) When transplanting tobacco seedlings, it was found that the larvae were killed immediately. (3) timely removal of the foot and leaves, pay attention to the removal of stubble leaves and wild hosts, concentrated deep or burned to reduce the source of insects. (4)Spray 20% of catithrate EC 800 times or 25% ECS 1000 to 1500 times, 2.5% deltamethrin EC 2000-3000 times, and spray 667m2. The liquid 75L.

Pvc Glove

Pvc Glove,Disposable Vinyl Clear Gloves,Disposable Sterile Pvc Gloves,Disposable Transparent Sterile Pvc Gloves

BIQIAO MEDICAL TECHNOLOGY(HENAN) CO.,LTD , https://www.medical-technology.net