What is the best medicine for preventing and treating watermelon yellow leaf disease
Core content of this article: the best knowledge of using medicine to prevent and treat watermelon yellow leaf disease, if there is any wrong, please correct!
What is the best medicine for preventing and treating watermelon yellow leaf disease
When watermelon yellow leaf disease occurs, it is best to place it in a well-ventilated area, ventilate, and then use microbial agents and appropriate watering to improve the yellowing of the leaves. If it is severe, it is best to spray the special medicine continuously for three times every ten days for prevention and treatment, and do a good job in the prevention of watermelon yellow leaf disease in time.
What is watermelon yellow leaf disease
The main cause of watermelon yellow leaf disease is malnutrition during the growth period. Generally speaking, the physiological exhaustion of watermelon can also cause the leaves to turn yellow, and improper use of fertilizers and medicines can easily lead to leaf stiffness and yellowing.
Treatment of watermelon yellow leaf disease
The main treatment methods for watermelon yellow leaf disease are to ventilate in time and use microbial agents for root irrigation, then water appropriately to improve the yellowing of the leaves, or spray解毒剂 on the leaf surface, which is also very effective.
The main method of using the special medicine for watermelon yellow leaf disease is: spray methyl thiophanate suspension 500-600 times liquid continuously for three times every 10 days when the disease occurs to improve it.
Prevention of watermelon yellow leaf disease
To prevent watermelon yellow leaf disease, the following steps need to be taken:
1. It is best not to use uncomposted animal manure, while chicken and cow dung can be used if fully fermented and composted in advance.
2. Chemical fertilizers can be applied according to formulas, with an appropriate increase in some phosphorus and potassium fertilizers, but not too much to prevent root burning.
3. In case of root burning by fertilizers, it is necessary to apply microbial fungicides in time, combined with water irrigation. Because the use of raw manure causes watermelon root rot and yellowing, it is necessary to adopt the method of breaking the film and ventilating to reduce gas damage.
The detailed content of the best medicine for preventing and treating watermelon yellow leaf disease is provided above, hoping to bring you help!