Tomato leaf mold should be prevented in time, and should not be ignored, to avoid causing a large reduction in tomato production. China Pesticides Network Xiaobian collects relevant disease prevention measures to share with you:
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Tomato leaf mold is a fungal disease. It can occur at 10~35 °C after invading the pathogen. The most suitable temperature is 20-28 °C. It takes only about half a month to invade the disease and the infection speed between the leaves. Faster, just a week or so. If it is not timely prevented, it may cause great harm in the short term.
In terms of preventive measures, one must implement a rotation for the field where tomatoes are selected for cultivation, three rounds of reincarnation to avoid heavy infections; and second, for plastic greenhouses that use protected land to cultivate tomatoes, sulfur smog can be carried out before the seedlings; The third is that the tomato seeds can be sterilized by soaking seeds in warm water at 52 °C for 30 minutes to kill the bacteria attached to the seeds. Fourth, the qualified farmers can implement submerged dark irrigation to reduce the humidity in the field; Variety.
For the diseased tomato, the following pesticides can be used to control the disease. 50% carbendazim WP 1000 times solution, or 50% thiram double WP 800 times solution, or 70% mancozeb WP 300-500 can be used. Double solution; or spray with 70% methyl thiophanate WP 800 times. Can also use 7% leaf mold net dust spray powder, 2 kg per acre. The above-mentioned medicaments can be alternately selected in combination with actual flexibility.
Based on the above situation, the pesticide manufacturer reminds everyone that if you encounter tomato leaf mold, you must take the initiative to use the appropriate pesticide products as soon as possible to prevent and cause economic losses.