MA Ting,LI Jing,XIAO Liangjun,et al.Study on the Relationship Between Cold Hardiness and Leaf Anatomy of Thirteen Walnut Cultivars in Seedling[J].Northern Horticulture,2016,40(03):21-24.[doi:10.11937/bfyy.201603006]
十三个核桃品种幼苗叶片解剖结构与抗寒性的关系
- Title:
- Study on the Relationship Between Cold Hardiness and Leaf Anatomy of Thirteen Walnut Cultivars in Seedling
- Keywords:
- walnut in seedling; leaf anatomy; cold hardiness
- 文献标志码:
- A
- 摘要:
- 以3个种共13个品种的核桃幼苗为研究对象，对其叶片解剖结构进行了观测和对比，应用变异系数、聚类分析和相关分析筛选出影响抗寒性的主要指标，并采用隶属函数对各品种的抗寒性进行综合评价。结果表明：叶片组织结构疏松度、海绵组织厚度及叶片厚度是影响核桃抗寒性能的主要叶片组织结构指标，13个品种抗寒性能由高到低依次为：“辽核4号”>“温185”>“新新2号”>“西藏核桃”>“铁核桃”>“麦穗虎头”>“云新301”>“云新高原”>“云新306”>“云新云林”>“漾濞泡核桃”>“漾江”>“漾杂1号”。种的抗寒性强弱排序为：普通核桃>麻核桃>深纹核桃。
- Abstract:
- 3 species，13 walnut cultivars in seedling were used as experimental materials.Leaf tissue structure indexes were screened via coefficient of variation，analysis of correlation and hierarchical cluster analysis，and comprehensive evaluation on cold resistance for each variety was done by subordinate function.The results showed that organizational structure loose degree，spongy tissue and leaf thickness were the main factors related to the hardiness；the cold resistance for 13 cultivars was in order of ‘Liaohe No 4’>‘Wen 185’>‘Xinxin No 2’>‘Tibet walnut’>‘Tie walnut’>‘Maisuihutou’>‘Yunxin 301’>‘Yunxin Gaoyuan’>‘Yunxin 306’>‘Yunxin Yunlin’>‘Yangbipao Hetao’>‘Yangjiang’>‘Yangza No.1’；the cold resistance for 3 species was in order of Juglans regia>Juglans hopeiensis>Juglans sigillata.
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备注/Memo
第一作者简介：马婷（1983-），女，云南大理人，硕士，助理研究员，现主要从事经济林良种选育及栽培等研究工作。E-mail：blueair-01@163.com.责任作者：宁德鲁（1974-），男，云南宣威人，硕士，研究员，现主要从事经济林良种选育及栽培等研究工作。E-mail：ningdelu@163.com.基金项目：云南省应用基础研究计划青年资助项目（2012FD081）。