Correlation and path-coefficient analyses of ripening attributes and storage disorders in ‘Ambrosia’ and ‘Empire’ apples |
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| Authors: | Behrouz Ehsani-Moghaddam Jennifer DeEll |
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| Institution: | 1. Department of Pharmaceutics, College of Pharmacy, Qassim University, Buraydah, 51452, Kingdom of Saudi Arabia;2. Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Al Azhar University, Assiut, 71524, Egypt;3. Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al Azhar University, Assiut, 71524, Egypt;4. Department of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, Al Dwadmi, 11911, Shaqra, Kingdom of Saudi Arabia.;5. Department of Dairy Science, Faculty of Agriculture, Al Azhar University, Assiut, 71524, Egypt;6. Department of Dairy Science, Faculty of Agriculture, Assiut University, Assiut, Egypt;7. Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt;8. Department of Analytical Chemistry for Pharmaceuticals, Course of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan;9. Department of Industrial Pharmacy, Faculty of Pharmacy, Assiut University, Assiut, Egypt |
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| Abstract: | The objectives of this study were: (1) to determine correlation effects among the ripening attributes of ‘Empire’ and ‘Ambrosia’ apples during storage, and (2) to determine the direct and indirect contributions of these ripening attributes on the incidence of physiological disorders and storage rots using path-coefficient analysis. The analysis was applied to data obtained from a variety of harvest dates and storage regimes from apples. Pearson correlation analysis of the data indicated a strong positive correlation between internal ethylene concentration (IEC) and peel greasiness, a negative correlation between IEC and soluble solids concentration, and a negative correlation between firmness and peel greasiness in both cultivars, as well as a negative correlation between IEC and firmness in ‘Empire’. Results indicated that increased IEC in ‘Ambrosia’ apples during storage was related to higher incidences of core browning and lenticel damage and lower incidence of internal browning. Higher IEC in ‘Empire’ apples during storage was associated with less internal browning. Several significant correlations, representing different relationships among the ripening attributes and storage disorders were obtained. |
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