In recent days, some vegetable farmers have reported that the leaves of cucumbers grown on the leaves grow a lot of mung bean-sized spots. Consult this to find out what the disease is. Is it treated with expectorants? According to the symptom analysis, this is due to bacterial bacterial leaf blight hazards.
The disease is a common disease in cucumber production, mainly infecting the leaves. At the onset of disease, a small round of water-soaked round chlorotic spots appeared on the middle and lower functional leaves, then gradually expanded to a nearly round or polygonal brown spot with a diameter of 1-2 mm. Severe lesions can spread throughout the entire leaf. , causing the entire leaf to die dry. This disease is similar to bacterial leaf spot disease, but the difference is that bacterial leaf spot disease has a milky white, turbid, watery bacilli, and the disease is brittle and easy to perforate. It is not easy to perforate; bacterial keratoses are also easy to damage the melon strips, the melon strips are overflowing with bacteria and pus, and yellow-brown water-stained soft rot occurs, but leaf blight does not have this phenomenon.
For the treatment of the disease, the following methods can be used:
1. Mu with 20% Yezizole 20g + 20% copper rosinate 8ml, add water 15kg spray.
2. Mu with 50% thiazole zinc in 20 grams of water and 15 kg of spray.
3. Use 20 grams of 50% chlorobromoisocyanuric acid in mu and add 15 kg of water spray.
4. Mu with 50% spot 100g water 45kg spray.
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