In this study, the content of photosynthetic pigments and chlorophyll fluorescence kinetics parameters of normal green leaves and yellow mutation leaves of Cymbidium ensifolium ‘Ba Bao Qi Zhen’ were compared. Results showed that the content of chlorophyll (Chl), chlorophyll a (Chl a) and chlorophyll b (Chl b) of yellow mutation leaves were significantly lower than those of the normal green leaves, and the contents showing a gradual decline with the increase of mutant area. Furthermore, it was found that the initial fluorescence (Fo), maximum fluorescence yield (Fm), Kautsky effect maximum fluorescence (Fp), the steady state photochemical quenching coefficient (qP) and light adaptation steady-state fluorescence yield (Ft_Lss) of yellow mutation leaves were significantly lower than those of the normal green leaves, while there was no significant difference in PSⅡ original light energy conversion efficiency (Fv/Fm). In addition, the steady state of photochemical fluorescence quenching coefficient (NPQ) of yellow mutation leaves was higher than that of the normal green leaves.
XIE Tai-xiang
,
YAO Rong-rong
,
CHEN Juan
,
CHEN Lu
,
AI Ye
. Photosynthetic Pigments Content and Chlorophyll Fluorescence Kinetics Parameters of a Leaf Mutant Cultivar of Cymbidium ensifolium[J]. Subtropical Plant Science, 2019
, 48(03)
: 232
-236
.
DOI: 10.3969/j.issn.1009-7791.2019.03.005
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