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

SHU Hua; WANG Ying-feng; ZHANG Shi-kang; LIANG Yue-rong; LU Jian-liang; LI Da-wei; OU Yang-mei; LI Na-na; ZHU Yue-jin

doi:10.13305/j.cnki.jts.2012.02.011

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

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

SHU Hua^1,2, WANG Ying-feng¹, ZHANG Shi-kang¹, LIANG Yue-rong², LU Jian-liang², LI Da-wei¹, OU Yang-mei², LI Na-na², ZHU Yue-jin^1*

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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

biosynthesis / chlorophylls / low illumination intensity / precursors / shading / tea shoot

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SHU Hua, WANG Ying-feng, ZHANG Shi-kang, LIANG Yue-rong, LU Jian-liang, LI Da-wei, OU Yang-mei, LI Na-na, ZHU Yue-jin. Effect of Light-shading on Accumulation of Chlorophylls and Their Precursors in Tea Shoots[J]. Journal of Tea Science. 2012, 32(2): 115-121 https://doi.org/10.13305/j.cnki.jts.2012.02.011

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