LI Rungen,ZENG Qiaoling,LUO Xia.Reproduction Characteristics and Rule of Lilium brownie var.viridulum[J].Northern Horticulture,2017,41(05):93-96.[doi:10.11937/bfyy.201705022]
龙牙百合生殖特性及繁育规律
- Title:
- Reproduction Characteristics and Rule of Lilium brownie var.viridulum
- 文献标志码:
- A
- 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1 d至开花第9天，共10 d，可授期较长，柱头在开花4~6 d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。
- Abstract:
- Lilium brownie var.viridulum from 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.viridulum could be pollinated in a long period of 10 days from the day before that flowering to 10 days later，specially during 4-6 days after blooming.The pollen germinating rate was the highest during 1-3 days 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.viridulum to lead to the successful pollination.Pollens from the same flowers were accepted and grew seeds.Pollination by cutting stigma contributed to the reproduction.
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备注/Memo
第一作者简介：李润根（1966-），男，江西新余人，硕士，副教授，现主要从事蔬菜栽培技术与育种等研究工作。E-mail：13507058200@163.com.基金项目：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)。