稻曲病是一种只发生在水稻穗部、危害稻粒的病害。在一个稻穗上通常只有一至几个稻粒发病,严重时多达十几粒至数十粒发病。受稻曲病菌早期侵染的稻粒,子房被破坏,花柱、柱头和花药碎片被埋在孢子座内,使整个稻粒变成稻曲。初形成的稻曲橙黄色,表面光滑,外披一层薄膜,随着病菌繁育,稻曲逐渐向两侧膨大,呈黄绿色。体积 False smut is a disease that occurs only in the ears of rice and endangers rice grains. In a panicle is usually only one to several rice disease, severe up to a dozen to dozens of tablets onset. Early rice infected by Ustilago yakitori rice, ovary destroyed, style, stigma and anther fragments were buried in the spore seat, so that the entire rice into rice song. The early formation of rice song orange, smooth surface, a layer of thin film, with the bacteria breeding, rice song gradually flared to both sides, yellow-green. volume