Journal
JOURNAL OF PLANT NUTRITION
Volume 37, Issue 14, Pages 2316-2330Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01904167.2014.890222
Keywords
Ca; CaCl2; storage; firmness; texture
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Little is known regarding the impact of calcium chloride applications during growth and development on tomato postharvest quality. This trial investigated supplemental calcium chloride applications on yield, nutrient content, texture, and postharvest quality of tomato fruit. Calcium (Ca) nutrient solution concentrations were: 60, 180, and 360 mg.L-1 calcium, while foliar applications were (0, 1, and 2% calcium chloride w/v). Plants grown with 60 mg.L-1 Ca had a high incidence of blossom end rot, which was not affected by calcium chloride sprays. Fruit nutrient concentrations were affected by calcium delivered through the nutrient solution. As fruit cluster position increased, fruit nutrient concentrations significantly decreased. Foliar calcium chloride sprays affected fruit soluble solids content and dry weight, but did not affect texture. Pericarp elasticity increased concomitantly with calcium in the nutrient solution. Postharvest disease incidence was not affected by calcium treatment, though weight loss during storage was negatively affected by calcium chloride sprays.
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