【摘要】 通过对河北省 4个不同生态区冬小麦不同生育期进行调查 ,基本掌握了河北省小麦根病的发生现状 ,调查表明 ,根病的发生在不同品种和地区以及同一品种或同一地区不同生育期的表现存在明显差异 ;分离培养结果表明 :该省小麦根病是由多种病原侵染所致 ,主要致病病原有根腐蠕孢菌、丝核菌、全蚀菌、镰刀菌、链格孢菌等 5个属 10余种更多还原

【Abstract】 Based on the investigation to the wheat root diseases in different stages and different ecological areas of Hebei province, the occurrence of wheat root diseases was understood the result showed that the occurrence of wheat root diseases has significant difference among different vierities, growth stages and districts; The isolating result showed that the root diseases in Hebei were caused by complex pathogens belonged to Biopolaris, Rhizoctonia,Gaemannomyces, Fusarium and Alternaria .更多还原