水稻黄矮病的发生规律及防治(摘要)

• 机 构: 浙江农科院植保所水稻病毒病组,
• 出 处: 科技简报
• 发表日期: 1978年22期
• 关键词: 水稻黄矮病 黑尾叶蝉 持久性病毒 南方稻区 迁飞 分布范围 媒介昆虫 摘要 质粒 病害

水稻黄矮病(R Y S V)是我国南方稻区新发生的一种病毒病。目前分布范围广,流行为害严重,是水稻上的一个重要病害。病毒为弹形质粒,由媒介昆虫黑尾叶蝉传播,属持久性病毒类型,非经卵传染。病毒在黑尾叶蝉体内越冬,春季随媒介昆虫的迁飞传播到水稻上,成为初次侵染。在长

Rice yellow dwarf virus (R Y S V) is a newly occurring virus disease in southern China. Currently a wide range of distribution, epidemic serious harm, is an important disease on rice. Viruses are bullet-shaped plasmids, which are transmitted by the vector insect Nephotettix cincticevirus and are persistent virus types that are not transmitted ova. The virus overwintered in the body of black-tailed leafhopper, the spring with the migration of vector insects spread to rice, became the first infection. In the long