What's wrong with the shrinking of the heart leaves of sharp pepper?
Dry shrinkage occurs in the heart leaves of sharp pepper, which may be the occurrence of virus disease. After the pepper is infected with the virus, there can be a variety of symptoms, such as mosaic, fern leaves, bright veins, dwarfing, yellowing, necrosis, top withering, etc., among which the fern leaf virus disease can cause the heart leaves of sharp pepper to shrink. After the occurrence of the disease, the disease can be prevented and treated according to the following methods: ① 20% virus A wettable powder 500x liquid; ② virus Jing or virulent 500x liquid; ③ 1.5% phytoling emulsion 1000 times liquid; ④ antiviral agent 1 400x liquid, sprayed every 10 days, 3 times in a row.
- Prev
Cultivation of dry lotus root
Dry lotus root likes warmth and is not tolerant to drought and flooding. Select fields with deep soil layer and free drainage and irrigation, apply 3000 kg pig and sheep fertilizer and 50 kg compound fertilizer per mu after deep ploughing and fine rake, or open shallow ditches after ploughing and raking, apply bottom fertilizer and cover soil. The introduction of dry lotus root should be from October to the end of November (or the following spring, but the provenance is extremely scarce), and the planting should be from sting to Qingming, from the Spring Equinox to Qingming. When planting, one row or two rows can be used. The row spacing is 70-90 cm and the plant spacing is 50 cm.
- Next
Planting techniques of Zanthoxylum bungeanum in three seasons
The main results are as follows: 1. Zanthoxylum bungeanum bungeanum is selected as the shrub, with a height of 2m, a diameter of 2.5m, a vertical depth of more than 4m and a horizontal distribution of more than 8m. It has strong adaptability and can be planted in barren hills, barren slopes, terraced ridges, front and back houses where the temperature is lower than-20 ℃ in winter. Generally in the middle and lower part of the slope, semi-sunny slope, gentle beam, terrace edge, terrace edge, the ridge of the field edge, sufficient light, good drainage, deep soil layer, and the production of pepper bright color, rich flavor, high quality.
Related
- Where is it suitable to grow horseradish in China? it is expected to see the middle altitude horseradish in Alishan.
- How to prevent tomato virus disease reasonably? (Control methods included)
- Many people like to plant towel gourd on the balcony. What are the main points of this method and management?
- What crops can chili peppers be mixed with?
- Fertilization techniques and matters needing attention in Tomato
- What are the grafting techniques for peach seedlings in spring?
- Harm and control methods of root swelling disease of Chinese cabbage
- What are the pests of sweet potatoes? How to prevent and cure it?
- Symptoms, causes and Control methods of navel Rot in Tomato
- The cause of "Cucumber rotten bibcock" in Farmers' planting Cucumber and its Control Plan