文献类型：期刊文献

英文题名：Physiological Responses and Tolerance Evaluation of Five Poplar Varieties to Waterlogging

作者：Zhou, Zhongcheng[1,2] Li, Gang[3,4] Sun, Xiaomei[1] Xu, Feng[3,4] Chen, Zexiong[5]

第一作者：Zhou, Zhongcheng

通信作者：Xu, F[1];Xu, F[2]

机构：[1]Chinese Acad Forestry, Key Lab Tree Breeding & Cultivat, State Forestry Adm, Res Inst Forestry, Beijing 100091, Peoples R China;[2]Hubei Ecol Polytech Coll, Dept Forestry Ecol, Wuhan 430070, Hubei, Peoples R China;[3]Yangtze Univ, Coll Hort & Gardening, Jingzhou 434025, Hubei, Peoples R China;[4]Yangtze Univ, Engn Res Ctr Ecol & Agr Use Wetland, Minist Educ, Jingzhou 434025, Hubei, Peoples R China;[5]Chongqing Univ Arts & Sci, Res Inst Special Plants, Chongqing 402160, Peoples R China

年份：2019

卷号：47

期号：3

起止页码：658-667

外文期刊名：NOTULAE BOTANICAE HORTI AGROBOTANICI CLUJ-NAPOCA

收录：;Scopus(收录号：2-s2.0-85065104837);WOS:【SCI-EXPANDED(收录号:WOS:000489532700016)】；

基金：This study was supported by the Demonstration Project of Forestry Science and Technology funded by the Central Government of China (The Plan of Forestry Department of Hubei Province, Grant No. [2015]HBTK07) and Hubei Provincial Key Technology Support Program of Forestry (Grant No. Lykjizc201209).

语种：英文

外文关键词：evaluation of comprehensive; physiological response differences; poplar; varieties; waterlogging resistance

摘要：Waterlogging resistance of five poplar varieties, 'Danhongyang' (DHY), Juba-261' (JB-261), 'Zongqiansanhao' (ZQ-3), 'Zhonglin-2025' (ZL-2025), and 'Nanlin-895' (NL-895), was evaluated under the simulated waterlogging conditions. Data on changes in leaf color and morphology as well as in biochemical indices, such as chlorophyll, malonaldehyde, soluble protein, soluble sugar content, superoxide dismutase (SOD), peroxidases (POD), ascorbate peroxidase (APX), glutathione reductase (GR), and glutathione peroxidase (GSH-PX) activities, relevant to submergence stress, were analyzed. The principal component analysis of the data identified the waterlogging resistance coefficient of the indices, which showed that waterflooding brought about different degrees of damage in the five poplar varieties, with DHY having the lowest waterlogging index. The leaf pigment content of the poplar was remarkably decreased by waterlogging, whereas malondialdehyde (MDA) and proline contents were enhanced, but in different extents among the poplar varieties. Nearly all other poplar varieties showed a tendency of decline in JB-261, ZQ-3, ZL-2025, NL-895, except for SOD activity in DHY, which increased under submergence stress. Poplar varieties had varying degree of changes in POD activity, and APX activity tended to increase upon waterlogging. GR also displayed increasing tendency in JB-261, ZL-2025 and NL-895, except for in ZQ-3, which declined under waterlogging stress. GSH-PX except for ZQ-3 displayed no significant change, which showed a tendency of decline in DHY, JB-261, ZL-2025, and NL895. Principal component analysis allowed us to reduce 16 indices to four independent indices. The subordinate function analysis identified that the DHY variety had the highest waterlogging tolerance, whereas the NL-895 variety had the lowest waterlogging tolerance among tested varieties.