摘要
以万载龙牙百合为试材,研究了柱头可授性、杂交指数OCI、不同授粉方式对龙牙百合结实的影响,并对其授粉后花粉管伸长情况进行了荧光观察。结果表明:龙牙百合柱头可授期为开花前1d至开花第9天,共10d,可授期较长,柱头在开花4~6d可授性最强;花粉生活力在开花第1~3天最强;花粉-胚珠比(P/O)介于3 673~4 670,杂交指数(OCI)为5,繁育系统属于专性异交,存在传粉限制,需要传粉媒介为其传粉;自花授粉能结实,切柱授粉有助于结实。
Lilium brownie var.viridulumfrom Wanzai was used as test material.The effect of stigma receptivity,hybrid index（OCI）and pollination way on setting seeds was studied,and pollen tube extension was observed by fluorescence.The results showed that Lilium brownie var.viridulumcould be pollinated in a long period of 10 days from the day before that flowering to 10 days later,specially during 4-6days after blooming.The pollen germinating rate was the highest during 1-3days after blooming.Pollen-ovule（P/O）was from 3 673 to 4 670 and OCI was 5.Due to the breeding system of the obligate outcrossing,the pollination medium was necessary for Lilium brownie var.viridulumto lead to the successful pollination.Pollens from the same flowers were accepted and grew seeds.Pollination by cutting stigma contributed to the reproduction.
出处
《北方园艺》
CAS
北大核心
2017年第5期93-96,共4页
Northern Horticulture
基金
江西省科技计划(农业领域)资助项目(20151BBF60050
20161BBF60040)
2014年地方高校国家级大学生创新创业训练计划资助项目(201410417001)
关键词
龙牙百合
繁育系统
授粉
花粉管
Lilium brownie var.viridulum
breeding system
pollination
pollen tube
