Sensory, chemical and morphological characterization of Cucurbita maxima and Cucurbita moschata genotypes from different geographical origins
2017
Pevicharova, Galina (Maritsa Vegetable Crops Research Institute, Plovdiv (Bulgaria). Department of Breeding, Variety Maintenance and Introduction) | Velkov, Nikolay (Maritsa Vegetable Crops Research Institute, Plovdiv (Bulgaria). Department of Breeding, Variety Maintenance and Introduction)
Cucurbita spp. is one of the most important vegetable crops in the world. They are characterized by great polymorphism according plants and fruits traits. The fruits are consumed in different ways as boiled, baked, dried or processed in puree and juice. The aim of the study was to assess variation of fruit sensory, chemical and morphological characteristics of Cucurbita genotypes in order to find appropriate parental components for the future high quality breeding programme. During 2-year period nine winter squash (Cucurbita maxima Duch.) and three pumpkin (Cucurbita moschata Duch.) genotypes originating from different geographical regions were tested on their morphological characters, basic chemical components and sensory profile. Cluster analysis and Principle component analysis were applied in order to identify similarities of different genotypes. According to the fruit characteristics and plant habitus significant differences were recorded. Considerable variation in the content of dry matter, ascorbic acid, total sugars, total pigments, beta-carotene and sensory assessment of the boiled fruits was established. Accession Moskatna carotina had the best flavour and chemical composition. The studied Cucurbita genotypes are a good basis for performing a breeding program to improve the sensory quality of fruits and increase basic chemical components especially those with antioxidant effect.
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