灰稻虱的饲养和饲毒
Rearing small brown planthopper Laodelphax striatellus with normal and virusinfected host plants.
沈建新;张惠琴;周泽华
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DOI：
作者单位：浙江省仙居县植保站,仙居317300
中文关键词：灰稻虱;饲养;麦苗;稻苗;稗草;带毒病株
英文关键词：Laodelphax striatellus; rearing method; wheat; rice; barngardgrass; virus-infected plant
中文摘要：灰稻虱的饲养 ,虫源可从田间直接捕获繁殖 ,饲料用稻、麦、稗均可 ,但以稗草为最佳。饲毒须用低龄若虫在罹病小麦或水稻上吸毒 3天以上 ,无毒虫饲毒后须经过 1 5天以上的循徊期后才能用于感染接种。所用的带毒病株可直接从田间寻获 ,若需自己制备 ,可将通过了循徊期的带毒灰稻
英文摘要：The small brown planthopper Laodelphax striatellus(Falln) from the field could be reared on its host plants rice, wheat and barnyardgrass in the laboratory, but barnyardgrass was the best for rearing.The virus borne small brown planthopper, which c