期刊
PLANT SCIENCE
卷 176, 期 1, 页码 78-83出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.plantsci.2008.09.013
关键词
Apple; Carotenoids; Chlorophyll; Malus domestica; Sunburn
资金
- Washington Tree Fruit Research Commission
Peel disks were taken from the sunburned area (SB-2), the area around the sunburned area (halo), the area around the halo (OH), and the center of the sun-exposed side of non-sunburned (NB) 'Fuji', 'Gala', 'Delicious', 'Golden Delicious', and 'Granny Smith' apples (Malus domestica Borkh). Chlorophyll a and b concentrations in SB-2 peels of all five cultivars were generally significantly (P <= 0.05) lower than those in the halo, OH and NB peels. Significantly higher concentrations of P-carotene, violaxanthin, and antheraxanthin were observed in 'Fuji' and 'Delicious' SB-2 peel as compared to OH and NB peels. Lower concentrations of beta-carotene and L were observed in 'Granny Smith' SB-2 and halo peels than in OH and NB peels, with no differences observed in violaxanthin and antheraxanthin concentrations. The results indicate uniform changes in chlorophyll concentrations as a result of sunburn, while changes in carotenoid concentration are cultivar specific. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
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