1. Symptoms of yellow leaf diseaseBanana yellow leaf disease usually attacks the leaves, which will wither in a short period of time after the disease occurs. The leaves are yellow at first, then slowly turn brown and dry up. If not treated in time, the whole plant will die. Its stems can also be affected by the disease. If you cut the affected stems longitudinally, you will see reddish-brown spots or lines. 2. SolutionWhen banana yellow leaf disease is discovered, the diseased plants should be isolated and burned, otherwise it will spread to healthy plants. After removing the diseased plants, apply an appropriate amount of lime around the planting soil, or use formalin for disinfection. If the disease is serious, it is recommended to spray pesticides as soon as possible, such as chlorpyrifos wettable powder and sulfur-free suspension. 3. Daily prevention workIt is crucial to deal with the disease in a timely manner after it occurs, and it is also important to do appropriate prevention in daily life. During its growth period, you should regularly spray some drugs such as carbendazim and thiophanate-methyl, which can play a good preventive role. It is best to leave a half-month interval between each spraying. |
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