阜阳地区夏大豆症青发生情况调查及防治技术

Occurrence Investigation of Staygreen Syndrome for Summer Soybean and Pest Control Technology in Fuyang

大豆症青是大豆生产上的一种毁灭性病害。针对近两年大豆症青在阜阳地区爆发式发生,对2019年阜阳地区大豆种植区域进行调查及走访。结果表明一些管理粗放,防治虫害不好的田块,症青尤其严重,田间损失率达80%以上。据此提出从大豆开花期开始喷施杀虫剂,每隔7~10天喷1次,连喷2~3次,防治症青发生。联合农技推广部门对该项技术进行宣传推广。

Staygreen syndrome is a devastating disease in soybean production.In view of the explosive occurrence of Staygreen syndrome in Fuyang in recent two years,the soybean planting area in Fuyang in 2019 was investigated and visited.The results showed that some fields with extensive management and poor pest control had Staygreen syndrome,and the field loss rate was more than 80%.Spraying insecticides 2~3 times per 7~10 d from the beginning of the flowering period of soybean.Cooperate with agricultural extension Integrated Stationto publicize and popularize the technology.