小麦腥黑穗病在新疆各地均有发生,每年发病面积达600多万亩,发病轻者减产1—5％,重者减产70—80％,个别地块颗粒无收。高粱坚黑穗病在新疆各地也普遍发生,尤以吐鲁番和哈密地区为重,致使粮食减产,品位降低。 对禾谷类作物黑穗病的防治,目前仍以化学农药拌种为主。但这些化学农药大部分 Wheat tangled smut has occurred in all parts of Xinjiang, the annual incidence of more than 600 acres, the incidence of light 1-5% reduction, the heavy reduction of 70-80%, the individual block crop failure. Sorghum smut also commonly occurs in various parts of Xinjiang, especially in Turpan and Hami areas, resulting in a decrease in grain output and a decrease in grade. The prevention and treatment of smut in cereal crops is still dominated by chemical pesticides dressing. But most of these chemical pesticides