Symptoms of diseases and insect pests of traditional Chinese medicine bergamot and their control methods
Pest control
(1) the main disease is soot disease.
First, the small disease spot infected by coal gray on the leaf surface gradually spread to the whole leaf surface.
Prevention and control methods: immediate removal of diseased leaves, proper pruning, and additional application of phosphorus and potassium fertilizer.
(2) longicorn beetles
The larvae eat into the branches and feed on the pith, so the ends of the branches are withered and yellow.
Prevention and treatment: can be cut off from 3 cm, if there is still a hollow, cut down until the larvae are found. Adults like to move in the trunk at dusk and can be hunted and killed.
(3) aphids
Can be killed manually, spray tobacco and grass water.
(4) Leaf minkers and leaf rollers can be killed by picking leaves.
Related
- A course of planting techniques and methods on how to grow carrots
- How to plant the latest tulips?
- Is it better to pick tea in the morning or in the afternoon? When is the best time for tea to be picked? what is the third or fifth tea?
- Launch Yuanxiao Happy combination Haocha + Tea Yuan healthy Taste
- Penghu Tourism "Fireworks 20 Parade with You"
- 2022 West Lake Happiness holds "Digital Revitalization Voucher" and draws iphone13 and laptop.
- Banqiao Fuzhou social houses are designed to change start-up combined with police elimination to create a safe and livable environment
- The convenient measure of "mechanical weeding" in Xinbei has been abused and the Agriculture Bureau has imposed heavy penalties on the illegal land consolidation.
- Changgeng University Joins Hands with Four Memory Factories to Rescue Memory Talent Shortage
- The list of Taiwan's top 100 MVP managers is listed by the Director-General of the Farmers' Association of Sanxia District.