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African Journal of Biotechnology

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Effect of temperature on accumulation of chlorophylls and leaf ultrastructure of low temperature induced albino tea plant

YY Du, H Chen, WL Zhong, LY Wu, JH Ye, C Lin, XQ Zheng, JL Lu, YR Liang

Abstract


White young shoots from albino tea cultivars have high level of amino acids and are rare and valuable materials for processing green tea. The effects of temperature on leaf colour, accumulation of chlorophylls and leaf ultrastructures of an albino tea cultivar ‘Xiaxueya’ were investigated. The study showed that the shoot albino phenomenon of ‘Xiaoxueya’ was controlled by temperature. The development of chloroplast from etioplast and the accumulation of chlorophylls a and b were blocked and albino shoots were observed at 15°C. However, the albino phenomenon was reversed when the plant was grown at 20°C or above. The authors recommended that the albino tea cultivars should be grown at high altitude or high latitude areas so as to prolong the production season of albino tea shoots.



http://dx.doi.org/10.5897/AJB2008.000-5036
AJOL African Journals Online