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Fruit Characteristics and Mineral Nutrient Concentrations Depending on Different Sizes of “Fuyu” Persimmon Fruits

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DOI: 10.4236/as.2019.108076    151 Downloads   415 Views

ABSTRACT

This study investigated the relationships between fruit size and other fruit quality components in “Fuyu” persimmon. The flower buds were thinned to leave one or two buds per bearing shoot in mid-May. All fruits were harvested on November 12 and they were divided into six size classes by fresh weight. The length/diameter (L/D) ratio and flesh firmness significantly decreased as fruit size increased. Large fruits had a redder skin color with more seeds than small ones. There was a strong negative relationship between fruit size and the L/D ratio (R2 = 0.741, p ≤ 0.01) and firmness (R2 = 0.604, p ≤ 0.01). Skin color and number of seeds per fruit were positively related to fruit size, especially skin color where the relationship was highly positive (R2 = 0.771, p ≤ 0.01). There was a weak, but non-significant positive relation between fruit size and soluble solids. P, K, and Ca concentrations significantly decreased with increasing fruit size. Highly negative relationships were found between fruit size and fruit P (R2 = 0.393, p ≤ 0.01), K (R2 = 0.446, p ≤ 0.01), and Ca (R2 = 0.417, p ≤ 0.01) concentrations. Fruit N and Mg concentrations were not affected by fruit size. It was concluded that fruit size is related to shape, coloration, flesh firmness, and number of seeds per fruit, affecting concentrations of some mineral nutrients in fruits.

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Choi, S. , Ahn, G. , Kim, E. , Son, J. , Park, Y. and Joung, W. (2019) Fruit Characteristics and Mineral Nutrient Concentrations Depending on Different Sizes of “Fuyu” Persimmon Fruits. Agricultural Sciences, 10, 1015-1022. doi: 10.4236/as.2019.108076.

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