【摘要】 纹枯病是河北省一种新病害,严重威胁着小麦、玉米、谷子等主要粮食作物的生产。由于该病菌寄主范围极广,菌核产生量大、存活力强,再加上该病易侵染茎秆,引起倒伏,大大增加了研究和防治难度。政府应投入资金,组织力量广泛开展多方协作,联合攻关研究,避免纹枯病的流行为害,保证河北省粮食生产的稳步发展。更多还原

【Abstract】 The new diseases caused byRhizoctonia spp. are seriously imperiling the production of main grain crops in Hebei,such as wheat,maize,millet.The prevention and control of the diseases are difficult because Rhizoctonia spp. could infect a wide range of plant species and it attacks stems easily which brings about plant lodging. In addition, it produces a great deal of sclerotium with a very strong survival ability. The government should invest more money to study how to control these diseases to ensure a stable grain crop production.更多还原