What happened to the dry shrinkage 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
Black show eggplant
The newly bred first-generation hybrid for protected land has a height of 85 cm and a semi-erect plant type. Precocious, the first flower node is 9 nodes, the fruit is dark purple, long strip (33x3.5 cm), and the single fruit weighs more than 150g. The peel is bright, the color is uniform and the consistency is good. Under the condition of low temperature, the fruit setting ability is strong, the coloring is good under low light, the commercial fruit rate is high, and the commercial property is good. It is suitable for early spring or overwintering cultivation in greenhouse or solar greenhouse. The Yangtze River basin is generally sown from late September to early October, planted in the first and middle of November, and cultivated with multi-layer mulch.
- Next
Control of withering and yellowing of winter onions in spring
Recently, the author has been receiving letters or calls from the masses to inquire about the management of winter onions in spring. Some people talk about winter onions that grow well under low temperature conditions. After the temperature rises in the beginning of spring, there appears the phenomenon of yellowing leaves, aging roots and even withering. Cold-tolerant winter onions seedlings are not as good as local winter onions. Why? Through field observation, the author learned that a similar situation occurred in winter onions in most parts of the country in the spring of 2005. In Jiaodong Peninsula, which has the largest planting area in China, there are many
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