Delayed Starch Degradation Triggers Chromoplast Structural Aberration to Inhibit Carotenoid Cleavage: A Novel Mechanism for Flower Color Deepening in <i>Osmanthus fragrans</i>

Delayed Starch Degradation Triggers Chromoplast Structural Aberration to Inhibit Carotenoid Cleavage: A Novel Mechanism for Flower Color Deepening in <i>Osmanthus fragrans</i>

The color of flowers in <i>Osmanthus fragrans</i> is regulated by carotenoid metabolism. The orange-red variety, Dangui, is believed to have evolved from the yellow variety, Jingui, through a natural bud mutation. This study uses the Jingui cultivar ‘Jinqiu Gui’ (JQG) and its bud mutatio...

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Bibliographic Details
Main Authors: Xiangling Zeng, Yunfei Tan, Xin Wen, Qiang He, Hui Wu, Jingjing Zou, Jie Yang, Xuan Cai, Hongguo Chen
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Horticulturae
Subjects:
<i>Osmanthus fragrans</i>
floral color
bud mutation
pastid
carotenoid
starch
Online Access:https://www.mdpi.com/2311-7524/11/7/864
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