A: The onion may have been blighted. The pathogenic bacteria invade from the root wound or the root tip cells. The daily average temperature rises to 24 to 28°C and the disease is the heaviest, and the relative humidity is more than 80%. Especially when the soil moisture content is high, the disease develops rapidly. Low-lying land, insufficient fertilizer, lack of phosphorus and potash fertilizers, soil viscous weight, soil acidity and application of unrefined fertilizers are heavy.
When the diseased plant is found in the field, it can be immediately irrigated with liquid solution. It can be used 50% carbendazim WP 500 times, or 60% anti-mildew Po WP 600 times, or 5% bacteriostatic water solution 400 times Irrigation , Each tube is filled with 100 ml of diluted liquid, and it is irrigated once a week.
Tetanus Vaccine,Hepatitis B Vaccine For Adults,Tetanus Booster,Td Vaccine
FOSHAN PHARMA CO., LTD. , https://www.fospharma.com