摘要
华重楼药材供应不足问题已严重制约下游产业的可持续发展。选育高产品种是生产上扩大华重楼药材供给的重要途径。合理株型是作物高产品种的生育基础和形态特征,也是品种选育的重要方向。该研究对99份华重楼野生种质资源的主要植物形态特征和根茎干重及其重楼皂苷含量进行考察分析,结果表明:1华重楼野生种质资源存在广泛的形态变异,变异幅度由高到低依次为皂苷含量、根茎干重、叶柄长、茎长、花瓣长、花梗长、萼片长、叶宽、叶长、萼片宽、叶片数、雄蕊数、花瓣数;2华重楼各形态性状之间存在较强的相关性,主成分分析显示其大体上综合反映了华重楼的光合部位发育和生殖部位发育特征;3重楼皂苷Ⅶ,Ⅵ,Ⅱ,Ⅰ总量介于0.02%~0.87%,平均0.13%,与其他各农艺性状无显著相关性。4华重楼高产选育应当重视具有大叶片、大萼片、高茎秆特征的种质资源的利用。
The supply deficiency of crude medicinal plant of Paris polyphylla var. chinensis has become a bottleneck for related medicinal industry. An important approach to increase herbal production is to breed high-yield cultivated variety, which characterized ideal plant morphology. In the present study, we collected 99 wild germplasm resources of P. polyphylla and then measured their 12 main agronomic traits and contents of polyphyllin Ⅶ,Ⅵ,Ⅱ,Ⅰ. Followed analyses were used to characterize those traits and explore the potential connection with herbal yield or quality. The results showed that：①There was ample morphological diversity in wild P. polyphylla, whose variation of agronomic traits reduced according to followed order：content of polyphyllin, weight of dry rhizome, petiole length, stem length, petal length, pedicel length, sepal length, leaf width, leaf length, sepal width, leaf number, stamen number, petal number. ② Most of those traits were significantly correlated to each other and generally represented the characterization of photosynthetic organs or reproductive organ. ③The total content of polyphyllin Ⅶ,Ⅵ,Ⅱ,Ⅰvaried between 0.02% and 0.87% and averagedat 0.13%, which showed no significant correlation with any agronomic trait. ④Plant breeders should play more attention on those germplasm resources with large leaves, large sepals and high stem.
出处
《中国中药杂志》
CAS
CSCD
北大核心
2017年第7期1300-1303,共4页
China Journal of Chinese Materia Medica
基金
雅安市-四川农业大学科技合作项目
四川农业大学本科生科研兴趣培养计划项目
关键词
华重楼
农艺性状
单株产量
重楼皂苷
相关分析
回归分析
主成分分析
Paris polyphylla
agronomic traits
rhizome yield
polyphyllin
correlation analysis
regression analysis
PCA
