水稻秆腐病发生规律及防治技术研究

• 作 者: 姚守礼 王剑龙 姚宏牧 陈传梅 姜文年
• 机 构: 黑龙江省八五四农场!虎林158403,黑龙江省八五四农场!虎林158403,黑龙江省八五四农场!虎林158403,黑龙江省八五四农场!虎林158403,黑龙江省八五四农场!虎林158403
• 出 处: 现代化农业
• 发表日期: 2000年09期
• 关键词: 稻秆 菌核 叶鞘 稻株 稻小球菌核病 稻池 种稻 药剂防治 发病面积 发病规律

水稻秆腐病是水稻小球菌核病和小黑菌核病的总称 ,在黑龙江省八五四农场有逐年加重趋势 ,是水稻主要病害之一。它主要造成稻株叶鞘、茎秆腐烂 ,引起穗株早枯、贴地倒伏 ,严重影响稻谷的饱满度及米质的提高。水稻秆腐病发生严重时减产 5 0 %～ 70 %,一般减产 2 0 %～ 30 %。为及

Rice stalk rot disease is the general term for Sclerotinia sclerotiorum and Sclerotinia sclerotiorum. It has been increasing year by year in 854 farms in Heilongjiang Province and is one of the major diseases of rice. It mainly causes the leaf sheaths and stems of rice plants to decay, causing the ear plants to withered as soon as possible and fall to the ground, seriously affecting the plumpness and quality of the rice. When the occurrence of rice stalk rot serious 50% to 70%, the general reduction of 20% to 30%. As well