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- Author or Editor: C.D. Boyer x
- Journal of the American Society for Horticultural Science x
Abstract
Sweet corn (Zea mays L.) was evaluated for sensory quality and carbohydrate composition at harvest and after storage at 0° or 10°C for 2 weeks. Total sugar (reducing sugar plus sucrose) declined more quickly during storage at 10° than at 0° in all cultivars, but the relative changes in sucrose and reducing sugars during storage were often complex. Hedonic (like/dislike) and sweetness scores awarded by taste panelists were significantly correlated with each other and with reducing sugar, sucrose, and total sugar concentrations only after storage. The highest correlations were between sucrose concentration and hedonic taste scores (r = 0.76, P < 0.01) and between sucrose concentration and sensory sweetness scores (r = 0.73, P < 0.01). Starch concentration varied with cultivar, but was not correlated with sensory quality. Water-soluble polysaccharide concentration varied with cultivar, storage time, and storage temperature, but did not correlate with sensory quality.
Abstract
The influence of gene B on various growth parameters in 3 genetic backgrounds of Cucurbita pepo L. cultivars ‘Early Prolific’, ‘Small Sugar’, and ‘Fordhook Zucchini’ is reported. While fruit size is smaller in the presence of B in all 3 backgrounds, ‘Early Prolific’ was affected the least. Rind hardness also was lower when B was present in ‘Fordhook Zucchini’ and ‘Small Sugar’ but was not affected in ‘Early Prolific’. Percentage of dry weight of the pigmented rind was unaffected by B in the ‘Early Prolific’ background but was lower due to B in the ‘Fordhook Zucchini’ background. The inconsistent influences of B in these 3 genetic backgrounds are discussed in terms of chloroplast contribution to fruit growth and development.