摘要
大花黄牡丹(Paeonia ludlowii)是我国9个牡丹原生种之一,为西藏特有植物。挖掘大花黄牡丹的基因潜能,筛选优质杂交父本,可为进一步培育株型高大的黄色系牡丹新品种提供实践依据。以大花黄牡丹为母本,‘皇嘉门’('Kokamon')、‘芳纪’('Hoki')、‘岛大臣’('Shimadaijin')、‘日暮’('Higurashi')、‘新日月锦’('Shin-jitsugetu')、‘八千代椿’('Yachiyotsubaki')和‘花竞’('Hanakisoi')7个日本牡丹品种为父本进行杂交,测定结实率、饱满种子率和出苗率等指标。结果表明,从109朵杂交授粉花朵中,获得杂交种子219粒,饱满种子22粒,出苗10株,平均结实率为13.61%,平均饱满种子率为10.05%,平均出苗率为4.57%。7个日本牡丹品种与大花黄牡丹杂交均具有一定亲和性,杂交亲和性表现为‘新日月锦’>‘皇嘉门’>‘八千代椿’>‘岛大臣’>‘花竞’>‘芳纪’>‘日暮’。结合结实率和出苗率,以‘新日月锦’和‘八千代椿’2个品种为父本,杂交效果较佳。
Paeonia ludlowii is one of nine wild species of tree peony in China and is endemic to Xizang.Exploring genetic potentials of P.ludlowii and screening quality male parents could provide practical basis for further breeding of new yellow cultivars with tall plant types.Hybridization was carried out by taking P.ludlowii as female parent and seven Japanese tree peony cultivars as male parents including'Kokamon','Hoki','Shimadaijin','Higurashi','Shin-jitsugetu','Yachiyotsubaki'and'Hanakisoi'.Seed setting rate,rate of full seeds and emergence rate of seedlings were determined.Results showed that there were 219 seeds,22 full seeds and 10 seedlings harvested from 109 cross-pollinated flowers with average seed setting rate 13.61%,average rate of full seeds 10.05%and average emergence rate of seedlings 4.57%.Seven Japanese tree peony cultivars had certain cross-compatibility with P.ludlowii.Cross-compatibility followed order of'Shin-jitsugetu'>'Kokamon'>'Yachiyotsubaki'>'Shimadaijin'>'Hanakisoi'>'Hoki'>'Higurashi'.Combining seed setting rate and emergence rate of seedlings,better male parents were'Shin-jitsugetu'and'Yachiyotsubaki'with better hybridization effects.
作者
唐英
王忠斌
方亮媛
邢震
许建昌
Tang Ying;Wang Zhongbin;Fang Liangyuan;Xing Zhen;Xu Jianchang(College of Resources and Environmental Sciences,Xizang Agricultural and Animal Husbandry University,Linzhi,Xizang 860000,China;Bureau of Natural Resources of Nimu,Lasa,Xizang 851300,China)
出处
《广西林业科学》
2024年第3期339-343,共5页
Guangxi Forestry Science
基金
10种野生林下资源培育与示范项目
西藏高原特色种养循环农业生态模式研究项目。
关键词
杂交育种
大花黄牡丹
日本牡丹品种
hybridization
Paeonia ludlowii
Japanese tree peony cultivar
