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The Scientific World Journal Volume 2012, Article ID 728613, 13 pages doi:10.1100/2012/728613

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Research Article Physiochemical and Phytochemical Properties of Wax Apple (Syzygium samarangense [Blume] Merrill & L. M. Perry var. Jambu Madu) as Affected by Growth Regulator Application
Mohammad Moneruzzaman Khandaker,1 Amru Nasrulhaq Boyce,1 Normaniza Osman,1 and ABM Sharif Hossain2
1 Institute 2 Program

of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia of Biotechnolgy, Department of Biology, Faculty of Sciecne, University of Hail, Hail-2404, Saudi Arabia

Correspondence should be addressed to Mohammad Moneruzzaman Khandaker, and Amru Nasrulhaq Boyce, Received 1 November 2011; Accepted 5 January 2012 Academic Editors: R. L. Jarret and J. R. Qasem Copyright © 2012 Mohammad Moneruzzaman Khandaker et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This study represents the first paper of the effects of growth regulators on the physiochemical and phytochemical properties of the wax apple fruit, a widely cultivated fruit tree in southeast Asia. Net photosynthesis, sucrose phosphate synthase (SPS) activity, peel color, fruit firmness, juice content, pH value, total soluble solids (TSSs), and the sugar acid ratio were all significantly increased in growth regulators (PGRs) treated fruits. The application of gibberellin (GA3 ), naphthalene acetic acid (NAA), and 2,4-dichlorophenoxy acetic acid (2,4-D) significantly reduced titratable acidity and increased total sugar and carbohydrate content compared to the control. The 50 mg/L GA3 , 10 mg/L NAA, and 5 mg/L 2,4-D treatments produced the greatest…...

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