稻曲病为水稻后期穗部病害，目前该病已上升为省内水稻主要病害之一。据调查：水稻受危害后稻穗部分谷粒先在颖壳的合缝处露出淡黄绿色的小菌块，后逐渐膨大，最后包裹全颖壳，形状比健谷大３～４倍，呈墨绿色表面光滑，最后开裂，布满墨绿色粉末，切开病粒，中心白色，外围黄 False smut is a panicle disease at the late rice stage. At present, the disease has risen to one of the major rice diseases in the province. According to the survey, after the rice was damaged, part of the grains of the rice panicle first revealed small yellowish-green fragments at the seams of the glume shells and then gradually enlarged. Finally, the whole berry shell was wrapped and its shape was 3-4 times larger than that of the healthy valley Dark green surface smooth, and finally cracked, covered with dark green powder, cut the particles, the center of white, yellow