How to prevent and cure onion soft rot?

How to prevent and cure onion soft rot? Please give guidance to onion soft rot disease prevention and control can refer to the following methods: first, pre-control ⑴ seedlings preparation nursery select disease-resistant varieties to raise seedlings, eliminate weak seedlings, cultivate strong seedlings. ⑵ stubble chooses ventilated and transparent plots, corn, wheat and other excellent previous stubble, avoid continuous stubble, carrot stubble, garlic and other lily vegetable stubble, try to avoid autumn cabbage, potato and other stubble which are easy to cause soil disease residues. Ridge cultivation is advocated in ⑶ areas with high ridge planting conditions, and onions planted on high ridges can reduce flooding and reduce the chance of pathogen infection. ⑷ strengthens field management, timely ploughing and weeding, increases soil temperature and promotes onion development, which is beneficial to onion population resistance to soft rot pathogen. Second, control ⑴ during the growing period and actively control pests such as onion root maggots and thrips in time, so as to reduce the chance of wound and soft rot infection caused by insect food. Rational watering of ⑵ can avoid flood irrigation and series irrigation and reduce the spread of pathogens in the field with water flow. ⑶ chemical control often went to the field for inspection at the beginning of July, and found that the diseased plants in the center were sprayed locally in time, and the whole field spray prevention was carried out at the same time. 72% agricultural streptomycin 5000 times veterinary penicillin 30000 times, 72% agricultural streptomycin soluble powder 4000 times liquid spray control, spray once every other week, three times in a row. Third, the onion residues in the field were incinerated in the later stage of control. Click to get more onion planting techniques click to get more vegetable planting techniques