In recent days, as the temperature rises and the tomato plants become more dense, the humidity in the greenhouse will increase, especially after watering. High humidity causes some tomato leaf molds to occur more severely.
Leaf mold mainly damages tomato leaves, and the prevention and treatment are not timely and the leaves are seriously damaged. In the late stage, it is not well treated. Therefore, it is necessary to seize the favorable opportunity to prevent and treat it early.
There are three main types of agents for controlling leaf mold: triazoles, azoxystrobins and antibiotics. Prevention and early onset of the disease can be effectively controlled with common agents. In the later stages of disease, it is necessary to use mixed agents for prevention and treatment, such as spraying with 10% fluorosilazole 1500 times and 6% chloramphenicol 1500 times.
In the prevention and treatment of tomato leaf mold, it is necessary to pay attention to the following: First, the spray mist should be large and spray evenly, finely sprayed, to prevent the stacked diseased leaves from sticking to the liquid. The second is that the triazoles used to control leaf mold have inhibitory effects on the tomato plants and fruits, and they cannot blindly increase the dosage when the leaf mold is serious. Third, in the prevention and treatment of tomato leaf mold, the pesticide can not add any foliar fertilizer, otherwise it will reduce the control effect.
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