What to Do About Dry Leaf Tips on Welsh Onions? Detailed Solutions
Dry leaf tips on Welsh onions are caused by diseases. When it is impossible to determine which disease is responsible, control measures are often ineffective, and it is easy to miss the favorable timing for control and suffer losses. However, as long as prevention is taken as the priority, the diseases will not cause harm.
About 7 days before transplanting the young onions, spray once with New High Lipid Film at 500 times dilution. After transplanting, during the period of vigorous stem and leaf growth, when the hot and rainy season arrives, spray once more with New High Lipid Film at 500 times dilution to protect the moisture of the seedlings, enhance the activity of plant drought-resistance factors and the plant's own drought-resistance capacity, and reduce the phenomenon of dry tips on Welsh onions.
For physiological dry leaf tips, during the high-temperature period at noon, the method of spraying clear water to lower the temperature can be adopted. Alternatively, New High Lipid Film combined with Vegetable Stem Strengthening Agent can be sprayed on the leaves, which can preserve heat and moisture, filter out plant respiration impurities, prevent pollution, inhibit viral infection, reduce the phenomenon of dry tips on Welsh onions, lower pesticide toxicity, and improve the effectiveness of pesticides or fertilizers.