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手机尾号为0492的用户问:大葱上软腐病大面积发生,该怎么治?专家解答:大葱软腐病应从以下几个方面治疗:1轮作换茬。2施用生物有机肥。3发病初期,喷洒50%琥胶肥酸铜可湿性粉剂500倍液,或70%可杀得可湿性粉500倍液、14%络氨铜水剂300倍液、72%农用链霉素可溶性粉剂4000倍液、新植霉素4000~5000倍液,视病情隔7~10天喷洒植株、灌根1次,防治1~2次。
Mobile number tail 0492 users Q: Onion soft rot disease in large areas, how to treat? Expert’s Answer: Welsh onion rot should be treated from the following aspects: 1 rotation for stubble. 2 application of bio-organic fertilizer. 3 early onset, spraying 50% wet gluconate 500mg wet starch or 70% can kill wettable powder 500 times, 14% copper hydroxide solution 300 times, 72% of agricultural streptomycin soluble 4000 times powder, the new phytomycin 4000 to 5000 times the liquid, depending on the disease every 7 to 10 days spraying plants, irrigated root 1, control 1 or 2 times.