Abstract
Dahlias (Dahlia variabilis) are popular Asteraceae ornamental plants cultivated in many countries due to huge variation in flower shapes, sizes and colors. This wide variation is based onto complicated genetic background, namely dahlia is an autoallooctaploid with the chromosome number (2n = 8x = 64) having a large genome size. Pigments contributing to wide range of flower color in dahlia are flavonoids, mainly anthocyanin, butein, and flavone derivatives. A number of F1 hybrids, spontaneous and induced mutants have been developed leading to diversity in flower colour, form, size befitting different groups of dahlia. There is great scope for the improvement of dahlia for a variety of traits for overcoming biotic and abiotic stresses, improved vase life, fragrance etc. using proven technologies.
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Srivastava, R., Trivedi, H. (2022). Dahlia. In: Datta, S.K., Gupta, Y.C. (eds) Floriculture and Ornamental Plants. Handbooks of Crop Diversity: Conservation and Use of Plant Genetic Resources. Springer, Singapore. https://doi.org/10.1007/978-981-15-3518-5_24
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DOI: https://doi.org/10.1007/978-981-15-3518-5_24
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