Abstract:
In order to prevent and control the occurrence and harm of stem rot in maize production and provide necessary technical reference for maize field production in Heilongjiang Province,this paper summarized the types,incidence conditions,pathogenesis,disease regularity,harmful symptoms and disease sources of maize stem rot,identification and evaluation methods of resistant varieties of maize stem rot,disease classification and resistance evaluation criteria of maize stem rot,also put forward the control strategies and methods of maize stem rot,which mainly including reasonable rotation in the field,breeding and cultivation of new varieties of maize resistant to stem rot,strengthening field cultivation and management measures to improve field growth conditions,improve the planting structure of maize population,and actively take chemical control,and vigorously developing biological control.