谷子锈病是夏谷的一种主要病害。近几年来在邯郸各地均有发生，且山区发生尤为严重。一般年份病株率15％～40％，重发时病株率达100％，产量损失12％～20％，甚至更高。一、症状及发病规律谷锈病以叶片受害为主，叶鞘也可发病。发病前期叶片不规则分布着大量铁锈色、近圆形夏孢 Millet rust is a major disease of summer valley. In recent years there have been all over Handan, and the mountainous area is particularly serious. The average annual diseased plant rate of 15% to 40%, the rate of diseased plants re-issued 100%, the yield loss of 12% to 20%, or even higher. First, the symptoms and pathogenesis Valley rust mainly leaves victims, leaf sheaths can also be disease. Prehistoric leaves irregular distribution of a large number of rust color, nearly circular spore