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2016年由于早春气温低,阴雨天气连绵不断,光照不足,造成全市水稻青枯、立枯病陆续发生。青枯、立枯病是水稻旱育秧苗床上常见多发的病害之一,对农业生产造成很大的危害,每年都有不同程度的发生,发生严重的甚至使秧苗失去使用价值。能够引发立枯病发生的原因有很多,主要受气候、苗床管理、播种量、苗床ph值、壮秧剂质量及使用方法是否正确等因素的影响,必须一切因素综合考虑,采取综合防治措施进行防治,才能水稻秧苗生长健壮,减少青枯
In 2016, due to the low temperature in early spring and the continuous rainy weather and insufficient light, the rice blight and blight of the whole city were successively caused. Withered blight and blight are one of the most common diseases of dry seedbed in paddy field. They cause great harm to agricultural production and occur in varying degrees every year, causing serious or even losing their use value. There are many reasons that can lead to the emergence of the blight, mainly due to climate, seedbed management, seeding rate, seedbed ph, strong seedling agent quality and the use of methods are correct and other factors, must take all factors into account, take comprehensive prevention and control measures Prevention and control, in order to grow robust rice seedlings, reduce the withered