[1]潘 月,张宪权,叶 康,等.不同八仙花品种对遮阴和强光处理的生理响应与评价[J].福建农林大学学报(自然科学版),2021,50(01):36-48.[doi:10.13323/j.cnki.j.fafu(nat.sci.).2021.01.006]
 PAN Yue,ZHANG Xianquan,YE Kang,et al.Physiological responses of ten Hydrangea macrophylla cultivars to shading and evaluation of strong light tolerance[J].,2021,50(01):36-48.[doi:10.13323/j.cnki.j.fafu(nat.sci.).2021.01.006]
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不同八仙花品种对遮阴和强光处理的生理响应与评价()
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福建农林大学学报(自然科学版)[ISSN:1671-5470/CN:35-1255/S]

卷:
50卷
期数:
2021年01期
页码:
36-48
栏目:
园艺科学
出版日期:
2021-01-18

文章信息/Info

Title:
Physiological responses of ten Hydrangea macrophylla cultivars to shading and evaluation of strong light tolerance
文章编号:
1671-5470(2021)01-0036-13
作者:
潘 月12 张宪权2 叶 康23 刘群录13 秦 俊23
1.上海交通大学农业与生物学院,上海 200240; 2.上海辰山植物园,上海 201602; 3.上海城市树木生态应用工程技术研究中心,上海 200020
Author(s):
PAN Yue12 ZHANG Xianquan2 YE Kang23 LIU Qunlu13 QIN Jun23
1.School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; 2.Shanghai Chenshan Botanical Garden, Shanghai 201602, China; 3.Shanghai Engineering Research Center of Urban Tree Ecology and Applications, Shanghai 200020, China
关键词:
八仙花 遮阴处理 生长发育 生理指标 光合特性
Keywords:
Hydrangea macrophylla shade treatment growth and development physiological indicators photosynthetic characteristics
分类号:
S685.99
DOI:
10.13323/j.cnki.j.fafu(nat.sci.).2021.01.006
文献标志码:
A
摘要:
以10个八仙花品种为材料,研究不同光照强度对其生长发育和光合生理指标的影响,通过主成分分析筛选评价八仙花耐光照能力的指标,并采用隶属函数分析和聚类分析对八仙花耐光照能力进行评价.结果表明:随着光照的减少,光饱和点、光补偿点、总叶数、叶和茎的鲜重与干重、地上总生物量及可溶性糖含量呈逐渐下降的趋势,比叶面积、叶片含水量、叶绿素a含量、叶绿素b含量、叶绿素a/叶绿素b和总叶绿素含量呈逐渐上升的趋势; 50%光照下的株高高于全光照和25%光照,可溶性蛋白含量的变化规律不明显.主成分分析结果表明,叶绿素含量、叶和茎的鲜重与干重、地上总生物量、叶片含水量、光饱和点及光补偿点可作为八仙花耐光照能力的鉴定指标.隶属函数分析和聚类分析的结果表明,以耐光照能力可将10个品种分为5组,由强到弱依次为:‘玛蒂尔德'; ‘汉堡'、‘完美玛丽斯'和‘花手鞠'; ‘蓝矮人'和‘佳澄'; ‘珍贵'和‘无尽夏'; ‘康士坦'和‘纱织小姐'.本研究为八仙花品种的园林应用提供了科学依据.
Abstract:
To evaluate the light tolerance of Hydrangea macrophylla, 10 cultivars of H.macrophylla were subject to different shading treatments, then the photosynthetic and physiological indicators were evaluated using membership function and clustering analytical method. The results showed that with the decrease of light intensity, light saturation point, light compensation point, total leaf number, fresh weight and dry weight of leaves and stems, total biomass of the aboveground part, and soluble sugar content gradually decreased while specific leaf area, leaf water content, chlorophyll a content, chlorophyll b content, chlorophyll a/b value, and total chlorophyll content gradually increased. Plant height under 50% light intensity was higher than those under full and 25% light intensity. The variation of soluble protein content was not significant. Principal component analysis showed that photosynthetic pigment content, dry and fresh weight of leaves and stems, total biomass of the aboveground parts, water content of leaves, light saturation point, light compensation point could be used to evaluate the plant's ability to withstand strong light. Through membership function and cluster analysis, the 10 cultivars were divided into 5 categories according to their strong light tolerances, leading by ‘Mathilde Gütges' in the top rank, followed by ‘Hanatemari' and ‘Mariesii Perfecta' in the second rank, ‘Hamburg', ‘Blauer Zwerg' and ‘Kasumi' in the third group, ‘Preziosa' and ‘Forever Summer' and ‘Bodensee' in the fourth group, and ‘Miss Saori' at the bottom of the list. This study contributes to the scientific ground for the application of H.macrophylla cultivars.

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备注/Memo

备注/Memo:
收稿日期:2019-12-20 修回日期:2020-11-01
基金项目:上海市绿化和市容管理局科技项目2018年度辰山专项(G182422).
作者简介:潘月(1995-),女.研究方向:园林植物.Email:2411273076@qq.com.
更新日期/Last Update: 2021-01-15