Relationship between carotenoids content and flower or fruit flesh colour of winter squash (Cucurbita maxima Duch.)
2006
Seroczynska, A. | Korzeniewska, A.,Warsaw Agricultural University (Poland). Dept. of Plant Genetics, Breeding and Biotechnology | Sztangret-Wisniewska, J.,Plant Breeding and Acclimatization Institute, Radzikow (Poland). Research Centre Mlochow | Niemirowicz-Szczytt, K.,Warsaw Agricultural University (Poland). Dept. of Plant Genetics, Breeding and Biotechnology | Gajewski, M.,Warsaw Agricultural University (Poland). Dept. of Vegetable and Medicinal Plants
In 2000-2004 767 plants of different fruit flesh and flower colour were investigated. Total carotenoids and beta-carotene content in flowers and fruits were analysed and flower and fruit flesh colour were measured in CIE system. For prediction carotenoids and beta-carotene content, regression models were calculated, using L*, a*, b* parameters and chroma. Total carotenoids and beta-carotene content in flowers showed the strongest correlation with a* parameter and the exponential or linear models were best fitted for this relationship. For total carotenoids or beta-carotene content in fruits and fruit flesh colour weaker relationship was found out, and this relationship was stronger for lower values of b* than for higher ones. Multiple linear regression models including L*, a* and b* were also calculated. Flower colour was strongly correlated with carotenoids content in flowers and weakly correlated with carotenoids content in fruits, which suggest that regulation of carotenoids biosynthesis in flowers and fruits is independent
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