设施栽培芍药茎秆直立性研究

浙江农业学报

设施栽培芍药茎秆直立性研究

（1 花卉种质创新与分子育种北京市重点实验室，国家花卉工程技术研究中心，城乡生态环境北京实验室，北京林业大学园林学院，北京 100083；2 山东省菏泽市曹州牡丹园管理处，山东菏泽 274000）

出版日期:2015-05-25 发布日期:2015-05-19

Study on the stem orthostatic performance of Paeonia lactiflora under facility cultivation

（1 Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding， National Engineering Research Center for Floriculture， Beijing Laboratory of Urban and Rural Ecological Environment， College of Landscape Architecture， Beijing Forestry University， Beijing 100083， China; 2 Management Office of Caohzou Paeonia Garden in Heze， Shandong Province， Heze 274000， China）

Online:2015-05-25 Published:2015-05-19

摘要/Abstract

摘要： 针对设施栽培中不同芍药品种茎秆直立性表现差异，以茎秆直立性不同的大富贵和桃花飞雪为对象，对比研究了其茎秆形态、解剖特征、力学特性和细胞壁化学组成成分的差异。结果表明，两品种的茎秆形态明显不同，直立性较好的大富贵花枝较短、茎较粗、基部节间占总节间长的比例低；解剖分析显示其维管束数目、表皮细胞及皮层细胞厚度均较桃花飞雪高；茎力学分析表明，两个品种也有明显差异，大富贵的抗压、抗弯、穿刺强度均优于桃花飞雪；茎组成成分测定显示大富贵的木质素及纤维素含量均显著高于桃花飞雪。相关性分析揭示，茎秆木质素、纤维素含量、上段5 cm处抗弯强度、髓茎面积比、基部节间长与芍药茎秆直立特性高度相关，明显影响茎秆直立性。因此，在筛选和培育设施栽培芍药切花品种时，应特别关注这些指标特征。

关键词: 芍药, 茎秆, 直立特性, 设施栽培

Abstract: For the stems upright sexual performance of different varieties of Paeonia lactiflora under facility cultivation， Dafugui and Taohuafeixue were used to study the differences in morphological characters， anatomical structure， mechanical properties and composition. The results showed that the two varieties were obviously different in stem morphological characters. The better orthostatic performance variety Dafugui was shorter， its stem was thicker and basal internode of total internode length ratio was lower; anatomical analysis showed that its number of vascular bundle， thickness of epidermis cells and cortex cells were higher than Taohuafeixue; stem mechanics analysis showed that two varieties also had obvious difference， the compressive strength，bending strength and puncture strength of Dafugui was better than that of Taohuafeixue; stem composition determination showed that the lignin and cellulose content of Dafugui were higher than that of Taohuafeixue. Correlation analysis revealed that stem lignin and cellulose content， bending strength on upper stem section 5 cm， pith of stem area ratio， basal internode of total internode length ratio were highly correlated with stem orthostatic performance. Therefore， in the screening and breeding of Paeonia lactiflora cut flower varieties under facility cultivation， we should pay more attention to these characteristics.

Key words: Paeonia lactiflora, stem, orthostatic performance, facility cultivation

赵琳1，刘爱青2，张嘉1，韩靖1，刘燕1，*. 设施栽培芍药茎秆直立性研究 [J]. 浙江农业学报.

ZHAO Lin1，LIU Ai\|qing2，ZHANG Jia1，HAN Jing1，Liu Yan1，*. Study on the stem orthostatic performance of Paeonia lactiflora under facility cultivation [J]. .

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