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随着近几年大姜种植面积的不断扩大,大姜姜瘟病的发病率也随之提高,一般年份减产5%～10%,严重年份可减产30%以上。姜瘟病又称青枯病或腐烂病。一般6～9月份为发病高峰期,主要
With the continuous expansion of ginger planting area in recent years, the incidence of ginger blast will also increase. Generally, the annual yield will be reduced by 5-10% and the serious year by 30% or more. Ginger blast is also known as bacterial wilt or rot disease. Generally 6 to September peak incidence, mainly