Photosynthesis-Light Response Models for Varieties of Sweet Potato

LI Guo-liang; LIN Zhao-miao; XU Yong-qing; LIU Zhong-hua; ZHANG Hong; LI Hua-wei; JI Rong-chang; LUO Wen-bin; TANG Hao; QIU Si-xin; QIU Yong-xiang

doi:10.19303/j.issn.1008-0384.2018.07.007

Volume 33 Issue 7

Mar. 2019

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Article Navigation > Fujian Journal of Agricultural Sciences > 2018 > 33(7): 687-690

LI Guo-liang, LIN Zhao-miao, XU Yong-qing, LIU Zhong-hua, ZHANG Hong, LI Hua-wei, JI Rong-chang, LUO Wen-bin, TANG Hao, QIU Si-xin, QIU Yong-xiang. Photosynthesis-Light Response Models for Varieties of Sweet Potato[J]. Fujian Journal of Agricultural Sciences, 2018, 33(7): 687-690. doi: 10.19303/j.issn.1008-0384.2018.07.007

Citation:

LI Guo-liang, LIN Zhao-miao, XU Yong-qing, LIU Zhong-hua, ZHANG Hong, LI Hua-wei, JI Rong-chang, LUO Wen-bin, TANG Hao, QIU Si-xin, QIU Yong-xiang. Photosynthesis-Light Response Models for Varieties of Sweet Potato[J]. Fujian Journal of Agricultural Sciences, 2018, 33(7): 687-690. doi: 10.19303/j.issn.1008-0384.2018.07.007

Citation:

LI Guo-liang, LIN Zhao-miao, XU Yong-qing, LIU Zhong-hua, ZHANG Hong, LI Hua-wei, JI Rong-chang, LUO Wen-bin, TANG Hao, QIU Si-xin, QIU Yong-xiang. Photosynthesis-Light Response Models for Varieties of Sweet Potato[J]. Fujian Journal of Agricultural Sciences, 2018, 33(7): 687-690. doi: 10.19303/j.issn.1008-0384.2018.07.007

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Photosynthesis-Light Response Models for Varieties of Sweet Potato

doi: 10.19303/j.issn.1008-0384.2018.07.007

Institute of Crop Sciences, Fujian Academy of Agricultural Sciences, Scientific Observing and Experimental Station of Tuber and Root Crops in South China, Ministry of Agriculture, Fuzhou, Fujian 350013 China

Received Date: 2018-01-12
Rev Recd Date: 2018-06-14
Publish Date: 2018-07-01

Abstract

Abstract

Four commonly appliedmathematical models were used to fit the photosynthesis-lightresponses of various sweetpotato plants under light exposures.The light saturation point (I_sat) obtained from either the rectangular or the non-rectangular hyperbolic model was considerably lower than themeasured values. Although theexponential function model predicted I_sat and the maximum net photosynthetic rate (Pn_max), it tended to give much lower valuesthan actualmeasurements on the light compensation point and the dark respiration rate. The modified rectangular hyperbolic model seemed to better fit for the functions. Using the new model, it was found that Fushu 2 and Guangshu 87 had the best photosynthetic capability among the 8 varieties of sweetpotato tested.
- sweetpotato,
- photosynthesis-light response curve,
- model fitting

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References(11)

References

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