Symptoms and Control Methods of Bell Pepper Virus Disease
Main text core guide: The topic related to the cultivation of flowering plants, focusing on the symptoms and control methods of bell pepper virus disease, is as follows:
Symptoms and Control Methods of Bell Pepper Virus Disease
After bell peppers are infected with virus disease, they mainly show four types of symptoms: mosaic, yellowing, malformation, and necrosis. Sometimes, several of these symptoms may appear simultaneously. There are many reasons for the infection of bell pepper virus disease: first, the low temperature and rainy conditions in the early stage persist, followed by high temperature and drought in the later stage; second, late sowing and late planting result in more disease occurrences in some pepper fields; third, excessive application of nitrogenous fertilizer causes the plants to grow vigorously but with reduced resistance; fourth, the soil of the previous crop being solanaceous vegetables or poor soil.
Symptoms of Bell Pepper Virus Disease
After bell peppers are infected with virus disease, they mainly show four types of symptoms: mosaic, yellowing, malformation, and necrosis, and sometimes several of these symptoms may appear simultaneously.
Damage Caused by Bell Pepper Virus Disease
When bell peppers are infected, the leaves show blister-like spots, wrinkles, uneven surfaces, severe dwarfing, obvious yellowing of the heart leaves and tender leaves, browning and necrosis of some tissues, and symptoms such as streaks, top rot, necrotic spots, and annular spots. The infected plants deform and produce an excessive number of branches in a bushy manner.
Causes of Bell Pepper Virus Disease
There are many reasons for the infection of bell pepper virus disease: first, the low temperature and rainy conditions in the early stage persist, followed by high temperature and drought in the later stage; second, late sowing and late planting result in more disease occurrences in some pepper fields; third, excessive application of nitrogenous fertilizer causes the plants to grow vigorously but with reduced resistance; fourth, the soil of the previous crop being solanaceous vegetables or poor soil.
What Medicine is Effective for Bell Pepper Virus Disease
Once bell peppers are infected with virus disease, it cannot be cured completely, whether by chemical or physical methods. Therefore, the prevention of bell pepper virus disease should focus on early prevention.
Bell pepper virus disease can be controlled by spraying pesticides such as Virucide, Zhibingling, and Virus A. The application should be repeated every 7 to 10 days and continued for 2 to 3 times.
Special Medication for Treating Bell Pepper Virus Disease
To treat bell pepper virus disease, Dukening can be used to prevent and control various virus diseases in crops such as tomatoes and peppers. Apply 400-600 times liquid every 7 days for 3-4 consecutive times, or use greenhouse yellow sticky traps for aphids.
Control Methods for Bell Pepper Virus Disease
Firstly, choose resistant varieties, then disinfect the seeds by soaking, also improve cultivation conditions, and regularly apply pesticides for prevention. For virus disease, in the early stage of the disease, apply 100 milliliters of 1.5% Zhibingling aqueous solution or 70-100 grams of 20% Virus A wettable powder per mu, with an interval of about 7 days, and repeat for 2 to 3 times.
The above information provides a detailed introduction to the symptoms and control methods of bell pepper virus disease. Have you understood it?