Control of Diseases and pests of Eucommia ulmoides
Disease
The main results are as follows: (1) Rhizoctonia solani mostly occurs in the seedbed with low temperature and high humidity, heavy soil viscosity, too dense seedlings and too late uncovering grass. Prevention and control methods: sprinkle 710 kg of ferrous sulfate powder per mu or spray 3 kg of 40% formaldehyde solution per mu, and then cover the grass to disinfect the soil; when sowing, use 50% carbendazim 2.5 kg per mu mixed with fine soil and sprinkled on the seedbed or sowing ditch; during the onset of the disease, irrigate with 50% carbendazim 1000 times solution.
(2) Root rot is easy to occur when it is rainy from June to August. The plot with high terrain, good drainage and loose soil should be selected as the nursery. Prevention and treatment: at the initial stage of the disease, 50% topiramate was irrigated with 1000 times liquid.
(3) the leaf blight is harmful to the leaves, and the leaves die when it is serious. Prevention and cure method: clean the countryside; spray 1-1-1-100 Bordeaux liquid during the growing period.
Insect pest
The larvae of the leopard silkworm moth damage the branches, resulting in the decline of the tree. Control methods: clean the countryside in winter; in early June, brush the tree trunk with whitening agent before the adults lay eggs; spray 40% dimethoate emulsion 400-800 times on the tree trunk during the larval incubation period.
In addition, there are also pests such as aphids and coir moths.
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.