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本文阐释小麦根腐病、小麦赤霉病、小麦散黑穗病等三种病菌性病害和小麦蚜虫病害的发病条件、发病表现及防治措施。
This paper describes the pathogenesis of three pathogenic diseases such as wheat root rot, wheat scab, wheat scattered smut and wheat aphid diseases, their disease manifestations and prevention measures.