(1) Symptoms. Harm the leaves and petioles. The leaves and leaf balls exhibit a wet ulceration and have a network of hyphae. The petiole near the ground has brown necrotic spots, and when it is wet, it overflows with brown juice. When it is dry, it turns into brown depression spots, sometimes with brown sclerotia.
(2) Routes of transmission and conditions of disease. Fungal diseases, diseased plants, seeds, and soil can carry pathogens, and the pathogens are transmitted by rainwater, irrigation water, and field operations. In the temperature above 20 °C, the field with high air humidity or water accumulation is prone to disease.
(3) Control measures. Select disease-resistant varieties, select seeds with 10% salt water, strengthen field management, prevent high-humidity nitrogen, spray 50% keering WP 1500 times, or 10% sclerotium clear WP 500 times.
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Probiotics are a class of active microorganisms that are beneficial to the host by colonizing the human body and changing the composition of the flora in a certain part of the host. By regulating the immune function of the host mucosa and system or by regulating the balance of intestinal flora, promoting nutrient absorption and maintaining intestinal health, resulting in the production of single microorganisms or mixed microorganisms with a well-defined composition that are beneficial to health
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