棉花苗期病害防治前景孙君灵，宋晓轩，刘学堂（中国农业科学院棉花研究所河南安阳：４５５１１２）我国棉花苗期病害危害范围广，尤以长江和黄河流域两大棉区更为严重，在棉苗病害发生严重的年份，可造成烂种、毁苗以至田间成片死苗，甚至毁种重播；发病轻时延缓生长，形... Cotton seedling disease prevention and control prospects Sun Junling, Song Xiaoxuan, Liu Xuetang (Cotton Research Institute, Chinese Academy of Agricultural Sciences, Anyang, Henan Province 455112) China’s cotton seedling disease endangering a wide range of areas, especially the Yangtze River and the Yellow River Basin two more serious cotton area, Severe disease occurred in the year, can cause rotten species, destroyed seedlings and even into the field of dead seedlings, and even replanted; delaying the growth of mild onset, shape ...