【摘要】 论述了黑龙江省玉米主要病害的发生及演化过程和灾变原因。在综合治理对策上,提出应加强病菌生理小种监测,选育和合理使用抗病品种,运用农艺保健措施,建立病害综合防治体系。更多还原

【Abstract】 This paper discussed the process of occurrence and evolution of the main diseases of corn in Heilongjiang province, and analyzed the reason of the catastrophic tendency. On the comprehensive countermeasure, the paper gave some practical ways, such as the work of forecasting and monitoring on physiological strains should be strengthen, disease-resistant varieties of corn should be selected, agronomic protection measures should be adopted and comprehensive system of disease protection should be set up.更多还原