乐山水稻赤枯病的气候分析及服务对策初探

采用乐山市气象台站资料,参考相关研究成果,对比分析了乐山市2005、2010年水稻发生赤枯病的气候特征,提出了相应的为农服务对策:(1)根据乐山中、长期天气趋势预报、对春季和初夏可能发生寡照、低温、连阴雨天气的年份,建议农业生产上提高水稻移栽基本苗,以减少因分蘖不足造成减产。(2)二是防,在培育壮秧的基础上,应针对易发生水稻赤枯病的田块着重改善秧苗的生长环境。(3)三是治,水稻栽后10~15天,如秧苗难返青,出现发生赤枯病特征时,应用科学施肥和相应病药物进行防治。

Climate Analysis and Resolution of Akagave Disease in Leshan

With the data of meteorological station and some related research results,it analyzed the climate characteristics affected akagave disease in Leshan in 2005 and 2010,put forward the corresponding countermeasures for agriculture service.1) According to the medium and long-term weather trend forecast of Leshan,for the year when rarely illumination,low temperature and rainy periods may occur in spring and early summer,it suggest increasing rice transplanting basic seedlings in agricultural production in order to reduce the less production because of inadequate tiller.2)For fostering strong seedlings,it should improve the environment of the fields that the akagave disease will appeared easily.3) Ten to fifteen days after rice planted,if rice seedlings appear the characteristics of akagave disease,it should apply science fertilization,corresponding prevention and corresponding medication to cure.