Potential polyphenol markers of phase change in apple ( Malus domestica)

In order to identify potential biochemical markers that can be used as indicators for phase change, the dynamics of polyphenolic compounds across apple seedlings ( Malus domestica, Jonathan×Golden Delicious) were analyzed in this study by high performance liquid chromatography. Precocious flowering...

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Bibliographic Details
Published in:Journal of plant physiology 2007-05, Vol.164 (5), p.574-580
Main Authors: Zhang, Xin Zhong, Zhao, Yong Bo, Li, Chun Min, Chen, Dong Mei, Wang, Guang Peng, Chang, Rui Feng, Shu, Huai Rui
Format: Article
Language:English
Subjects:
apples
Biological and medical sciences
Biomarkers
caffeic acid
Caffeic Acids - metabolism
catechin
Catechin - metabolism
Cell physiology
chlorogenic acid
Chlorogenic Acid - metabolism
Flavonoids - metabolism
flowering
Flowers - metabolism
fruit trees
Fundamental and applied biological sciences. Psychology
Induced flowering
Malus - growth & development
Malus - metabolism
Malus domestica
myricitrin
Phenols - metabolism
Phlorhizin
phloridzin
plant biochemistry
plant physiology
Plant physiology and development
Plasma membrane and permeation
Polyphenols
Quercetin - analogs & derivatives
Quercetin - metabolism
quercitrin
secondary metabolites
Seedling
seedling growth
seedlings
Seedlings - growth & development
Time Factors
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Summary:In order to identify potential biochemical markers that can be used as indicators for phase change, the dynamics of polyphenolic compounds across apple seedlings ( Malus domestica, Jonathan×Golden Delicious) were analyzed in this study by high performance liquid chromatography. Precocious flowering was induced by foliar sprays of plant growth regulators. Qualitative changes in the concentration of polyphenols were observed at node nos. 50, 80 and 120. Spontaneous and induced flowering was found at node nos. 122 and 77. It was reasonable to conclude that node no. 77 represented the point of transition between the juvenile phase and the adult vegetative phase, which was marked by the presence of phloridzin in the buds. The disappearance of myricitrin in the bark and the absence of caffeic acid in the aboveground tissues were qualitative markers of the reproductive phase, which was reached at node no. 122.
ISSN:0176-1617
1618-1328
DOI:10.1016/j.jplph.2006.03.011