带病种子的识别识别带病种子及其病症，对避免把病粒、病菌带进农田，确保增产具有重要作用，笔者经过几年实践摸索出一套识别方法，现提供给广大农友：一、水稻１．稻瘟病：其受害谷粒的病斑，通常为椭圆形或不规则形，颜色呈褐色或黑褐色，中央为灰白色。患病严重的，谷... Identification of sick seeds Identification of diseased seeds and their diseases, to avoid the disease particles, bacteria into the farmland, to ensure that an important role in increasing production, the author after several years of practice to explore a set of identification methods are now available to the vast number of farmers: a Rice Magnaporthe grisea: Lesions of its damaged grain are usually oval or irregular, brown or dark brown in color, and gray in the center. Seriously ill, the valley ...