Effect of UV-B on growth and development and secondary metabolism of flue-cured tobacco
Year: 2009
Type: article
Abstract: 通过模拟UV-B辐射, 探索不同紫外辐射强度、辐射方式对烟草幼苗生长发育、光合生理、色素及多酚、糖类、烟碱等代谢产物的影响, 以期探讨烤烟品质形成的生态机理。结果表明: UV-B辐射可使烟苗矮化变粗, 叶面积缩小, 光合效率下降, 但可恢复; UV-B处理叶绿素、糖、烟碱含量下降幅度与辐射强度正相关, 但微量UV-B有利于成苗叶绿素含量提高; UV-B辐射可使与植物抗逆性有关的多酚含量得到显著提高, 与处理时间、强度正相关; 适宜强度的UV-B预处理可使烤烟叶绿素、总类胡萝卜素和总糖含量提高。
Source: Zhongguo shengtai nongye xuebao
Authors: Yong HUANG, Ji-Heng ZHOU, Ming ZHENG, Hong-Qi YANG, Ning-Yuan ZHANG
Language: English
Topic: Light effects on plants
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: gold
Estimated APC paid: $1,000
OpenAlex ID: W1597028094