The difference between eggplant injury and brown star disease

Eggplant phytotoxicity is similar to brown round-star disease symptoms. Many vegetable farmers tend to mix the two so that the medicine is not symptomatic and misses the timing of control, resulting in great losses. I hereby remind farmers to pay attention to distinguish between phytotoxicity and brown star disease, and timely prevention and treatment.

In summer, due to the serious harm of pests, some vegetable farmers blindly shorten the interval and increase the amount of medication when they are used for drug control, resulting in the occurrence of phytotoxicity. For example, eggplant leaves produce many irregular brown spots, most of which are nitenpyram. Caused by methadone and drugs. In response to this situation, the author suggests that the vegetable farmers must use drugs rationally, strictly follow the instructions or arrange the pesticides according to the technical personnel's arrangement, and the time interval for each drug use should not be less than 5 days. In addition, serious damage to the phytotoxicity can be sprayed on harvest No. 1, solution to the evil spirits or _ _ _ abundance 481 to ease.

Brown round star disease still has brown round star disease in eggplant production. Symptoms in the field: lesions with nearly round brown or reddish-brown lesions on the leaves. After the lesions spread, the central part fades to grayish-brown, sometimes broken, and the edges are still brown or red-brown. When the humidity is high, a gray mold layer is visible on the lesion. When the damage is severe, the lesions are contiguous and the leaves are easily broken or fall off. Chemical control: vegetable farmers are advised to choose cream urea manganese zinc pesticides to control, due to the many epidermal hair of eggplant leaves, in order to increase the liquidity of the drug, you can add 0.1% to 0.2% of neutral laundry detergent or mixed with 27% high fat film emulsion 100 to 300 times liquid, but the fog should be fine to ensure that the spray evenly.

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