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Xanthophyll cycle, light energy dissipation and photosystem II down-regulation in senescent leaves of wheat plants grown in the field

Lu CongMing; Lu QingTao; Zhang Jianhua; Zhang QiDe; Kuang TingYun

Australian Journal of Plant Physiology 28(10): 1023-1030

2001


ISSN/ISBN: 0310-7841
Accession: 004011182

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Photosynthesis, the xanthophyll cycle, light energy dissipation and downregulation of photosystem II (PSII) in senescent leaves of wheat (cv. Beijing 3348) plants sown in a field in Beijing, China on 2 October 1999 were investigated. With the progress of senescence, maximum efficiency of PSII photochemistry decreased only slightly early in the morning but substantially at midday.

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