Morphological characterization of different genotypes of adenium
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Adenium obesum, flowering trait, germplasm, morphological charactersIssue
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Adenium is recently gaining popularity as high value pot plant in the ornamental plant industry. Research on Adenium obesum with the basic objective for genetic improvement is being conducted at advance technology centre of soilless system, NAU, Navsari. As a component of breeding work, a study was conducted for morphological characterization of thirty three different genotypes of adenium that comprised of ten selected from local collection and the remaining twenty three from their crosses. Significant variation with regard to plant height, number of leaves, number of flowers, leaf and petal thickness, flower diameter, number of branches, corolla diameter and length, flower longevity, flower weight, flowers per cluster and number of flower flushes in a year were observed. Among all 33 genotypes, considering vegetative traits, Taiwan Dwarf showed significant dwarfness with more number of branches and smaller leaves while plant spread was observed maximum in Cross 14 and number of leaves in Cross 15. Further, fourteen genotypes were found suitable for flowering traits out of which two genotypes (Cross 2 and Cross 23) had flowers with 15 petals and eight genotypes (Cross 5,8,11,14,16,20,21 and DSH) had 10 petals while all others had five petals. Further, Cross 20 for large flower size, Cross 15 for number of flowers per cluster, flower longevity as well as for bearing maximum flowers in a year and Cross 18 and Cross 22 for more number of flower flushes in a year have been identified. These genotypes, can be further exploited for commercial application as well as for breeding work in floriculture industry.Abstract
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Aditya, G., Naik, M. R., Ramaiah, M., TanujaPriya, B. and Ramakrishna, M. 2019. Study on the performance of some genotypes of China aster (Callistephus chinensisL.) under shade net conditions in Rayalaseema region of Andhra Pradesh. Bull. Env. Pharmacol. Life Sci. 8: 77-82. Chavan, S. K., Singh, A. and Barkule, S. R. Application of DNA marker (RADP) technology to study molecular diversity in Adenium obesum (Forssk.) Roem. And Schult, Eco. Env. & Cons. 24: 403-07. Chavan S.K., Singh A.and Barkule S.R. 2018. Genetic variability studies on Adenium obesum forssk roem and schult, Asian J. Microbiol. Biotech. Env. Sci. 20: 965-69. Chavan, S., Singh, A., Bhandari, A. J. and Patel, B. N. 2016. Management of Potted Adeniums. Floriculture Today, 21: 10-13. Colombo, R.C., da Cruz, M. A., de Carvalho, D. U., Hoshino, R. T., CitoAlves, G. A. and De Faria R. T. 2018. Adenium obesum as a new potted flower: growth management. Ornam. Hortic. 24: 197-205. Colombo, R.C., Favetta, V., De Melo T. D., de Faria, R. T. andDe Aguiar e Silva, M. A., 2016. Potting media, growth and build-up of nutrients in container-grown desert rose. Australian J. Crop Sci., 10: 258-63. Dimmitt, M.G. 1998. Adenium culture, growing large specimens quickly. Cact. Succ. J. 20: –64. Hastuti, D., Suranto and Setyono, P. 2009. Variation of morphology, karyotype and protein band pattern of adenium (Adenium obesum) varieties. Bio. Sci. 1: 78-83. Lohar, A., Majumdar, J., Sarkar, A. and Rai, B. Evaluation of African marigold (Tagetes erecta L.) varieties for morphological and biochemical characters under West Bengal condition. Int. J. Curr. Microbiol. App. Sci. 7: -48. Paul, D., Biswas, K. and Sinha, S. K. 2015. Biological Activities of Adenium obesum Indian Journal of Horticulture, September 2022 (Forssk.) Roem. & Schult: A Concise Review. Malaya J. Bio. Sci. 2: 214-20. Roopa, S., Chandrashekar, S. Y. and Shivaprasad, M. 2018. Evaluation of Chrysanthemum (Dendranthema grandiflora Tzvelev) genotypes for floral and quality traits under Hill Zone of Karnataka, India. Int. J. Curr. Microbiol. App. Sci. 7: 1874-79. Sheoran, O.P., Tonk, D.S., Kaushik, L.S., Hasija, R.C. and Pannu, R.S. 1998. Statistical Software Package for Agricultural Research Workers. Recent Advances in information theory, Statistics & Computer Applications by D.S. Hooda & R.C. Hasija Department of Mathematics Statistics, CCS HAU, Hisar, pp. -43. Sindhuja, M., Singh, A., Kapadiya, C., Bhandari, A.J., Shah, H. P. and Patel, A. I. 2020. Evaluation of Adenium genotypes for physiochemical and flowering characters. Int. J. Chem. Studies, 8: -44. Singh, A., Bhandari, A. J., Chavan, S., Patel, N. B., Patel, A. I. and Patel, B. N. 2017. Evaluation of Adenium obesum for potted ornamentals under soilless growing system. Int. J. Curr. Microbiol. App. Sci. 6: 2141-46. Singh, A., Chavan, S., Bhandari, A.J., Parekh, V., Shah, H.P. and Patel, B. N. 2019. New Multipetalous Variety G. Ad.1 of Adenium obesum. Int. J .Curr. Microbiol. App. Sci. 8: 197- Singh, A., Chavan, S. K., Bhandari, A. J., Parekh, V., Shah, H. P., Patel, A. I. and Patel, B. N. 2020. New multipetalous variety G. Ad.2 in Adenium obesum. Electron. J. Plant Breed. : 346-50. Srilatha, V., Kumar, S. K. and Kiran, Y. D. 2015. Evaluation of chrysanthemum (Dendranthema grandiflora Tzvelev) varieties in southern zone of Andhra Pradesh. Agric. Sci. Digest. 35: 155- Varella, T.L., da Silva, G.M., Maximiliano K. Z., Mikovski, A. I., da Silva Nunes, J.R., De Carvalho, I.F. and da Silva, M L. 2015. In vitro germination of desert rose varieties. Ornam. Hortic. 21: 227-34. Wannakrairoj, S. 2008. Status of ornamental plant in Thailand. Acta Hortic. 788: 29-36.
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