Waterlogging tolerance evaluation of fifteen poplar clones cultivated in the Jianghan Plain of China


  • Ruonan GENG Huazhong Agricultural University, College of Horticulture and Forestry Sciences, Hubei Engineering Technology Research Center for Forestry Information, No. 1 Shizishan Street, Hongshan District, Wuhan (CN)
  • Xinye ZHANG Hubei Academy of Forestry, 370 Luoyu Road, Hongshan District, Wuhan (CN)
  • Xiaoping FAN Hubei Academy of Forestry, Shishou Poplar Research Institute, Nanyue Avenue, Shishou City, Jingzhou City (CN)
  • Qian HU Huazhong Agricultural University, College of Horticulture and Forestry Sciences, Hubei Engineering Technology Research Center for Forestry Information, No. 1 Shizishan Street, Hongshan District, Wuhan (CN)
  • Tianhong NI Huazhong Agricultural University, College of Horticulture and Forestry Sciences, Hubei Engineering Technology Research Center for Forestry Information, No. 1 Shizishan Street, Hongshan District, Wuhan (CN)
  • Kebing DU Huazhong Agricultural University, College of Horticulture and Forestry Sciences, Hubei Engineering Technology Research Center for Forestry Information, No. 1 Shizishan Street, Hongshan District, Wuhan (CN)




poplar, waterlogging stress, waterlogging tolerance


To provide references for poplar cultivation in waterlogged prone area of Jianghan Plain of China, the waterlogging tolerance of 15 poplar clones widely cultivated in these areas were evaluated based on their responses to 45-day waterlogging stress followed by 15-day drainage recovery in morphology, growth, biomass accumulation, leaf gas exchange and chlorophyll fluorescence parameters. The results showed that the normal watered seedlings (CK) of the 15 clones grew vigorously during the experiment, and no defoliation and death occurred. For the seedlings under waterlogging treatment (water 10 cm above the soil surface), its morphology changed markedly, including slowing growth, chlorosis and abscission of leaves, development of hypertrophied lenticels and adventitious roots etc. Waterlogging stress significantly inhibited the seedling growth of height and ground diameter, biomass accumulation, as well as leaf gas exchange and chlorophyll fluorescence parameters of the 15 clones with varying degrees. The net photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (Tr), intercellular CO2 concentration/ environmental CO2 concentration (Ci/Ca), variable fluorescence (Fv), variable fluorescence/ initial fluorescence (Fv/Fo) and PS Ⅱ primary light energy conversion efficiency (Fv/Fm) decreased gradually with the prolonged waterlogging, and reached their bottom on day 45. During the terminal recovery stage, the leaf gas exchange and chlorophyll fluorescence parameters of the most clones increased, but their recovery abilities were significantly different. At the end of the experiment, the highest survival rates (100%) were observed in DHY, HS-1, HS-2, I-72, I-69, I-63 and NL-895, and the lowest (zero) occurred in XYY. Survival rates of the other clones ranged from 33.33% to 83.33%. Both results of cluster analysis and membership function analysis showed that HS-1, I-69, DHY, NL-895 and HS-2 had the strongest waterlogging tolerance, XYY and HBY were the worst, and the other clones were moderate. These results would provide guidance not only for the selection of cultivated varieties in Jianghan Plain, but also for the selection of hybrid parents for waterlogging resistance breeding.


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How to Cite

GENG, R., ZHANG, X., FAN, X., HU, Q., NI, T., & DU, K. (2021). Waterlogging tolerance evaluation of fifteen poplar clones cultivated in the Jianghan Plain of China. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 49(3), 12421. https://doi.org/10.15835/nbha49312421



Research Articles
DOI: 10.15835/nbha49312421