Endemic symptoms and control measures of brown spot of Hyphanoida lentiviens
Symptoms: The main damage leaves. The lesions are dark purple-brown and gray in the posterior part of the lesion. When the lesion is wet, a gray moldy layer is formed on the lesion, that is, the conidial stem and conidia of the pathogen. The lesions range in size from 3 to 10 mm in diameter and are individually larger. Prevention methods: (1) promote the application of organic active fertilizer or bio-organic compound fertilizer; seriously ill with non-legume crop rotation. (2) Remove the diseased body promptly after harvesting, deepen down in time to reduce the source of bacteria; apply reasonable fertilization, especially potassium fertilizer; pay attention to drainage in the rainy season and reduce the humidity in the field. (3) Early stage of onset of spraying 50% of Bacteroides fuliginea (Metoxime) WP 800 times, or 78% of MnZn (Cobo) WP 500 times, 50% of carbendazim WP 500 Double fluid, every 7 to 10 days, continuous control 2 to 3 times. Roasted Pumpkin Seeds,Baking Pumpkin Seeds,Cooking Pumpkin Seeds,Toasted Pumpkin Seeds Wuyuan county dafeng oil food co.,ltd , https://www.sundafengfoods.com