COMPARISON OF DYNAMIC CHANGES IN ENDOGENOUS HORMONE LEVEL, WATER CONTENT AND WATER-SOLUBLE SUGARS IN CAMELLIA OLEIFERA OF DIFFERENT AGES

文献类型： 外文期刊

第一作者： Hu, Juanjuan

作者： Hu, Juanjuan;Shah, Faheem Afzal;Shu, Qinglong;Fu, Songling;Wu, Wei;Cao, Zhihua

作者机构：

关键词： C. oleifera;Tree age;Water content;Water-soluble sugar content;Endogenous hormone levels

期刊名称：PAKISTAN JOURNAL OF BOTANY （ 影响因子：0.972； 五年影响因子：0.988 ）

ISSN： 0556-3321

年卷期： 2017 年 49 卷 1 期

页码：

收录情况： SCI

摘要： The aim of this study is to investigate and understand the dynamic changes and the possible functions of hormones, water and sugar content during the development of C. oleifera. We analyzed and compared WWC, WSS and five endogenous hormones (DHZR, ZR, GA, IAA and ABA) contents between May and August in C. oleifera plants at different ages from the same orchard. The results showed that WWC, WSS, DHZR, ZR, GA, IAA and ABA contents varied from 61.64%-74.15%, 21.24mg/g-62.44mg/g, 6.237ng/g-38.342ng/g, 6.215ng/g-16.721ng/g, 5.668ng/g-18.024ng/g, 24.753ng/g-147.507ng/g and 66.541ng/g-156.212ng/g, respectively. WWC showed a decrease-increase-decrease variation pattern, while the WSS contents demonstrated a generally increasing trend with increasing tree age. The levels of ABA in leaves sampled in August was higher than that in May, but the opposite was found for the GA and IAA levels. Tree ages were negatively correlated with ZR and GA concentration at the 1% or 5% significance level. The results of this study broaden our understanding of the interrelationships between phytohormones, WWC, and WSS content in the growth and development of C. oleifera.

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