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Journal of Tea Science ›› 2012, Vol. 32 ›› Issue (2): 115-121.doi: 10.13305/j.cnki.jts.2012.02.011

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Effect of Light-shading on Accumulation of Chlorophylls and Their Precursors in Tea Shoots

SHU Hua1,2, WANG Ying-feng1, ZHANG Shi-kang1, LIANG Yue-rong2, LU Jian-liang2, LI Da-wei1, OU Yang-mei2, LI Na-na2, ZHU Yue-jin1*   

  1. 1. Hangzhou Tea Research Institute, China COOP, Hangzhou 310016, China;
    2. Zhejiang University Tea Research Institute , Hangzhou 310058, China
  • Received:2011-11-25 Revised:2011-12-28 Online:2012-04-15 Published:2019-09-05

Abstract: Effects of light-shading on accumulation of chlorophylls and their biosynthetic precursors in tea cultivars Jiukeng, Longjing43, Shuigu were investigated using dark light-shading net. It showed that light-shading increased the accumulation of chlorophylls in tea shoots, accompanying decrease in levels of aminolevulinic acid (ALA), Porphobilinogen (PBG) and urogen Ⅲ and increase in levels of protoporphyrin Ⅸ (Proto Ⅸ), magnesium protoporphyrin Ⅸ (Mg-Proto Ⅸ) and protochlorophyllide (Pchlide).

Key words: tea shoot, chlorophylls, biosynthesis, precursors, shading, low illumination intensity

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