Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities

Li HM, He P, Veste M, Neudorf K (2002)
Plant Biology 4(3): 384-391.

Journal Article | Published | English

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Abstract
The performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis were studied. The three types are designated DzTL, DzTM and DzTH, according to their adaptation to low (LL), medium (ML) and high (HL) light intensities, respectively. Under LL (23-55 mumol m(-2) s(-1)) and simulated natural light (SNL), DzTM grows well with increased longevity, and green leaves which are unspotted; while its leaves became small, light yellow and short-lived under HL (550 - 850 mumol m(-2) s(-1)). In contrast, under LL the leaves of DzTH were very large, spotted, light yellow and short-lived; while they were small, green and long-lived under HL. Under HL, DzTH had a much higher chlorophyll content than DzTM. Under LL, DzTM and DzTL had a higher Chl content than DzTH. Among the three types, DzTM had the highest peroxidase activity. DzTL had a higher electron transport rate (ETR), maximal quantum yield (MQY) and effective quantum yield (EQY) than DzTH and DzTL under LL, while DzTH had higher ETR, MQY and EQY than the other two types under ML and HL. Therefore, three different photo-types can be characterized according to their adaptation to LL, ML and HL: DzTL, DzTM and DzTH, respectively.
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Li HM, He P, Veste M, Neudorf K. Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities. Plant Biology. 2002;4(3):384-391.
Li, H. M., He, P., Veste, M., & Neudorf, K. (2002). Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities. Plant Biology, 4(3), 384-391.
Li, H. M., He, P., Veste, M., and Neudorf, K. (2002). Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities. Plant Biology 4, 384-391.
Li, H.M., et al., 2002. Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities. Plant Biology, 4(3), p 384-391.
H.M. Li, et al., “Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities”, Plant Biology, vol. 4, 2002, pp. 384-391.
Li, H.M., He, P., Veste, M., Neudorf, K.: Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities. Plant Biology. 4, 384-391 (2002).
Li, H. M., He, P., Veste, M., and Neudorf, Kristina. “Performance and photosynthetic ecophysiology of three photo-types of Dioscorea zingiberensis under differing light intensities”. Plant Biology 4.3 (2002): 384-391.
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