Physiological differences of green-leaf and variegated - leaf ivy (hedera helix L.) Cultivars

IF 0.4 4区生物学 Q4 PLANT SCIENCES Bangladesh Journal of Botany Pub Date : 2023-08-31 DOI:10.3329/bjb.v52i2.68219

Ting Zhang, Yanru Fu

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Abstract

To screen sun-resistant cultivars of ivy for the three-dimensional greening of urban roofs and balconies, the chlorophyll content, photosynthetic response index, and chlorophyll fluorescence parameters of 5 green-leaf and 5 variegated leaf cultivars of ivy were measured, and compared the photosynthetic characteristics of different cultivars. Results showed that ivy seedlings were very shade tolerant. The photosynthetic adaptation range, maximum net photosynthetic rate, and electron transfer efficiency of the PSII reaction center of the green-leaf ivy cultivars were significantly higher than those of the variegated ivy cultivars. The photochemical conversion efficiency and photosynthetic capacity of Hedera helix ‘Shamrock’ were higher than those of the other tested green-leaf cultivars, suggesting that Hedera helix ‘Shamrock’ had a strong light tolerance. The differences in photosynthetic characteristics among the variegated cultivars were greater than those within the green-leaf cultivars. Among the tested cultivars, Hedera helix ‘Mini Kolibri’ had a relatively high light adaptation range and high light efficiency potential. Bangladesh J. Bot. 52(2): 539-549, 2023 (June) Special

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绿常青藤与杂交藤的生理差异品种

为筛选适合城市屋顶阳台立体绿化的常青藤品种，测定了5个绿叶常青藤品种和5个杂色常青藤品种的叶绿素含量、光合响应指数和叶绿素荧光参数，并比较了不同品种的光合特性。结果表明，常青藤幼苗具有很强的耐阴性。青藤品种的光合适应范围、最大净光合速率和PSII反应中心的电子传递效率均显著高于杂交种品种。“三叶草”的光化学转化效率和光合能力均高于其他绿叶品种，表明“三叶草”具有较强的耐光性。杂交种间光合特性差异大于绿叶品种间。其中，“Mini Kolibri”具有较高的光适应范围和光效潜力。[j] .植物学报，52(2):539-549,2023(6):特刊

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来源期刊

Bangladesh Journal of Botany 生物-植物科学

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Bangladesh in situated on the north of Bay of Bengal. Climatically it is a humid subtropical country. Most of the land is deltaic plain of two great rivers, the Ganges and the Bhrammaputra and it tributaries. The country has rich diversity of plants. Main crops cultivated are Rice, Jute, Wheat, Maize, Sugarcane, Mustard and different kinds of Lentils. There are a good number of Public and Private Universities and Plant Research Establishments. Bangladesh Journal of Botany is the official organ of the Bangladesh Botanical Society established in 1972. Since 1972 Bangladesh Journal of Botany is being published regularly. Two issues of the Journal are published, one in June and another in December. Scientific papers (Full paper and short communication) on any field of Plant Sciences from anywhere in the World are considered for publication in Bangladesh Journal of Botany.