从叶片解剖结构探讨云南山茶不同倍性的耐旱潜力

以云南山茶二倍体、四倍体和六倍体植株的成熟叶片为材料,采用石蜡制片法和光学显微技术测定了叶片角质层厚度、上表皮厚度、下表皮厚度、叶片厚度、栅栏组织厚度、海绵组织厚度、栅海比、叶片结构紧密度和叶片结构疏松度等耐旱相关的解剖结构特征参数,并进行统计分析。结果表明,所研究的9个指标在3个倍性间均表现出显著或极显著的差异,通过多重比较和主成分分析,最终选出最具代表性的5项指标进行隶属函数值计算及耐旱性综合评价,得出不同倍性间的耐旱潜力的大小顺序为四倍体〉二倍体〉六倍体,所得结果可为云南山茶的定向育种提供依据。...

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Published in西南农业学报 Vol. 28; no. 6; pp. 2714 - 2719
Main Author 杨桂英 王兵益 何瀚 杨时宇 吴强达 李娟娟
Format Journal Article
LanguageChinese
Published 云南玉溪森林生态系统国家定位观测研究站,云南玉溪653100%中国林科院资源昆虫研究所,云南昆明,650224%昆明市园林科研所山茶花繁育中心,云南昆明,650224%西南林业大学环境科学与工程学院,云南昆明,650224 2015
西南林业大学环境科学与工程学院,云南昆明650224
Subjects
云南山茶
叶解剖结构
细胞倍性
耐旱潜力
云南山茶
耐旱潜力
Camellia reticulate
Ploid
叶解剖结构
Leaf anatomic structure
Drought resistance potential
细胞倍性
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ISSN1001-4829
DOI10.16213/j.cnki.scjas.2015.06.067

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Summary:以云南山茶二倍体、四倍体和六倍体植株的成熟叶片为材料,采用石蜡制片法和光学显微技术测定了叶片角质层厚度、上表皮厚度、下表皮厚度、叶片厚度、栅栏组织厚度、海绵组织厚度、栅海比、叶片结构紧密度和叶片结构疏松度等耐旱相关的解剖结构特征参数,并进行统计分析。结果表明,所研究的9个指标在3个倍性间均表现出显著或极显著的差异,通过多重比较和主成分分析,最终选出最具代表性的5项指标进行隶属函数值计算及耐旱性综合评价,得出不同倍性间的耐旱潜力的大小顺序为四倍体〉二倍体〉六倍体,所得结果可为云南山茶的定向育种提供依据。
Bibliography:YANG Gui-ying;WANG Bin-yi;HE Han;YANG Shi-yu;WU Qiang-da;LI Juan-juan（1. School of Environmental Science and Engineering, Southwest Forestry University, Yunnan Kunming 650224, China; 2. National Station for Forest Ecosystem in Yuxi, Yunnan Yuxi 653100, China; 3. Research Institute of Resource Insects, Chinese Academy of Forestry, Yun- nan Knnming 650224, China; 4. Breeding Centre of Camellia Plants, Research Institute of Gardening and Landscape of Kunming, Yunnan Kunming 650224, China）
51-1213/S
Camellia reticulate; Ploid; Leaf anatomic structure; Drought resistance potential
Mature leaves of diploid,tetraploid and hexaploid of Camellia reticulate（ Theaceae） were produced by paraffin method. The anatomical characters of drought related including thickness of the cutin,thickness of the upper epidermis,thickness of the lower epidermis,leaves thickness,thickness of palisade tissue,thickness of spongy tissue,ratio between palisade tissue to spongy tissue,tightness of leaves palisade tissue structure and looseness of
ISSN:1001-4829
DOI:10.16213/j.cnki.scjas.2015.06.067