What about the honey worm with celery?
The diseases of celery include early blight, spot blight, Sclerotinia sclerotiorum, virus disease, soft rot and black spot, and the main pests are aphids. Its control techniques are: agricultural control, physical control, biological control. Honey bugs are often called aphids. So let's find out what to do with celery honey worms with the editor today.
1. Drug prevention and treatment
Celery honey worms absorb juice, causing the leaves to curl, grow slowly, and even stop growing. Spray treatment as soon as possible after discovery. Imidacloprid, malathion, aldicarb, permethrin and ivy are all fine. Please stop using the drug a week before harvest. In addition, attention should be paid to agricultural prevention and control. According to the habits of honey insects, they can be wiped out when they lay eggs. Planting should not be intercropped with or adjacent to other hosts.
2. Agricultural prevention and control
Collect seeds from disease-free plants and select seeds that are sterile and have good resistance to diseases and insect pests. The seeds were soaked in 55 ℃ constant temperature water for 15 minutes. Crop rotation for 2-3 years was carried out in seriously ill areas. In the early stage of the disease, the disease is called the old leaves with no function at the bottom, which are taken out of the field and buried deeply. Avoid flood irrigation, timely drainage after rain in open field cultivation, and control field humidity. Apply sufficient base fertilizer. Arrange to sow seeds and cultivate strong seedlings. Strengthen water management, promote root development and plant exuberant growth, in order to improve plant disease resistance. If you raise seedlings in the high temperature season, you should shade the sun and cool down.
3. Biological control
The use of botanical pesticides, such as aphids, should be controlled with matrine or EC rotenone. The filtrate after soaking in plant ash was sprayed on the leaves to control aphids. Biogas slurry or compost extract to control aphids.
- Prev
What to do if the wheat is damaged by medicine?
In late spring and early summer, all kinds of crops have entered the vigorous growth period, and pesticides have also entered the peak season. However, due to improper use, many different degrees of drug damage occur every year, thus affecting crop yield. So what if the wheat is damaged by drugs? Let's take a look at it with the editor.
- Next
Is lettuce leaf oilseed rape?
When people buy green vegetables, they can't tell the difference between oil wheat and lettuce leaves. Many people will make mistakes and think that oil wheat vegetables and lettuce leaves are the same kind of vegetables. So is lettuce leaf oilseed rape? Let's learn about it together with the editor.
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.