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稻曲病过去在我省个别稻区一季中、晚稻上发生,1977年以后全省各地晚稻普遍发生,严重影响水稻产量的提高和稻谷的污染。因而,各地对稻曲病发生和防治引起重视。为此,我们作了一些观察试验,现将结果整理如下。一、病粒发生经过观察1.侵入期九月十四日采取一季杂交稻田发生的新鲜病曲,加清水将厚垣孢子洗下(20粒稻曲加30毫升清水)用喉头喷洒器,将稻曲病菌喷到不同生育期的赣化二号的穗部上(喷前临时在群体中挑选),然后在接过病菌的穗株
False smut in the past in our province a quarter of individual rice, occurred in late rice, after 1977 throughout the province occurred late rice, seriously affecting the improvement of rice yield and rice pollution. Therefore, around the false smut disease prevention and control of attention. To this end, we made some observations and experiments, the results are summarized below. First, the occurrence of particles observed 1. Invade September 14 to take a quarter of hybrid rice fields occur fresh disease song, add water to chlamydospore wash (20 rice song plus 30 ml of water) with a laryngeal sprinkler will be Tolerant to the different growth stages of the second generation of ginger on the panicle (spray before the temporary selection in the group), and then took the pathogen strains