茶叶科学 ›› 2021, Vol. 41 ›› Issue (1): 58-70.doi: 10.13305/j.cnki.jts.2021.01.007
万绮雯, 杨妮, 李逸民, 韩妙华, 林士佳, 滕瑞敏, 庄静*
收稿日期:
2020-09-02
修回日期:
2020-10-28
出版日期:
2021-02-15
发布日期:
2021-02-23
通讯作者:
*zhuangjing@njau.edu.cn
作者简介:
万绮雯,女,硕士研究生,主要从事茶树分子生物学研究,2019804238@njau.edu.cn。
基金资助:
WAN Qiwen, YANG Ni, LI Yimin, HAN Miaohua, LIN Shijia, TENG Ruimin, ZHUANG Jing*
Received:
2020-09-02
Revised:
2020-10-28
Online:
2021-02-15
Published:
2021-02-23
摘要: 以中茶108为试验材料,研究喷施不同浓度(0.10、0.30、0.50mg·L-1)24-表油菜素内酯(EBR)对茶树叶片叶绿素含量、气孔开度、光合气体交换参数及其相关基因表达的影响。结果表明,处理后第一天,叶面喷施0.10、0.30mg·L-1 EBR显著增加了茶树叶片叶绿素含量,与对照相比,分别增加了38.89%、22.22%。处理后第三天和第五天,0.10、0.30mg·L-1 EBR处理的茶树叶片气孔开度显著升高。处理后第一天和第五天,喷施EBR显著提高了茶树叶片的净光合速率。同时,EBR处理能显著上调BR合成酶基因、碳同化关键酶基因、叶绿素合成关键酶基因的表达。综上,外源EBR通过调控相关基因表达调节茶树叶片叶绿素含量、气孔开度,进而提高茶树叶片的光合作用能力。
中图分类号:
万绮雯, 杨妮, 李逸民, 韩妙华, 林士佳, 滕瑞敏, 庄静. 外源24-表油菜素内酯对茶树光合特性的影响[J]. 茶叶科学, 2021, 41(1): 58-70. doi: 10.13305/j.cnki.jts.2021.01.007.
WAN Qiwen, YANG Ni, LI Yimin, HAN Miaohua, LIN Shijia, TENG Ruimin, ZHUANG Jing. Effects of Exogenous 24-Epibrassinolide on Photosynthetic Characteristics of Tea Plants[J]. Journal of Tea Science, 2021, 41(1): 58-70. doi: 10.13305/j.cnki.jts.2021.01.007.
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