Hostname: page-component-586b7cd67f-t8hqh Total loading time: 0 Render date: 2024-11-25T04:13:47.489Z Has data issue: false hasContentIssue false
  • English
  • Français

Genetic diversity among accessions of Solanum aethiopicum L. groups based on morpho-agronomic traits

Published online by Cambridge University Press:  09 August 2012

O. T. Adeniji ,
P. M. Kusolwa  and
S. O. W. M. Reuben
O. T. Adeniji*
Affiliation:
Department of Crop Science and Production, Sokoine University of Agriculture, PMB 3005, Morogoro, Tanzania
P. M. Kusolwa
Affiliation:
Department of Crop Science and Production, Sokoine University of Agriculture, PMB 3005, Morogoro, Tanzania
S. O. W. M. Reuben
Affiliation:
Department of Crop Science and Production, Sokoine University of Agriculture, PMB 3005, Morogoro, Tanzania
*
* Corresponding author. E-mail: [email protected]
Get access Rights & Permissions [Opens in a new window]

Abstract

Solanum aethiopicum L. is indigenous to Africa and constitutes an important vegetable. Morpho-agronomic traits were used to study diversity among 44 accessions of S. aethiopicum groups to identify traits of high discriminatory ability and donor parents with specific or multiple traits for introgression and utilization in breeding programmes. Field experiments were conducted from 2008 to 2010. The principal component (PC) analysis of morpho-agronomic data indicated high discriminatory ability for fruit calyx length, fruit length and leaf length. On PC1, fruit length showed positive and significant correlation coefficients with leaf length, fruit calyx length and width. An independent association was recorded among fruit width, fruits per infructescence and seed yield (t/ha). Ordination (biplot) and grouping (dendrogram) revealed genetic variation and relatedness, phenotypic plasticity and geographical heterogeneity among the accessions within and among the clusters. Members of cluster 1 (group ‘c’) are a promising donor parent for multiple traits (earliness and fruit length), and members of group ‘b’ are superior for fruits per plant, fruits per infructescence and fruit infructescence per plant. Hybridization among distant clusters would provide an opportunity for bringing together gene constellations of diverse background. Earliness and fruit length were highly variable among the S. aethiopicum groups. The results are important for the breeding and selection of this crop.

Keywords

divergencefruits per infructescencemorpho-agronomic plasticitymorpho-agronomic traitsSolanum aethiopicum L
Type
Research Article
Information
Plant Genetic Resources , Volume 10 , Issue 3 , December 2012 , pp. 177 - 185
Copyright
Copyright © NIAB 2012

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Anaso, HU (1991) Comparative cytological study of Solanum aethiopicum Gilo group, Solanum aethiopicum Shum group and Solanum anguivi. Euphytica 53: 81–85.CrossRefGoogle Scholar
Bukenya-Ziraba, R and Bonsu, KO (2004) Solanum macrocarpon L. In: (eds) PROTA 2: Vegetables/Légumes [CD-Rom]. Wageningen: PROTA.Google Scholar
Edmonds, JM (1978) Taxonomic studies on Solanum section Solanum (Maurella). Botanical Journal of Linnean Society 75: 141–178.Google Scholar
Edmonds, JM (2005) Solanum L. section Solanum. In: (eds) Flora Zambesiaca. Kew: Royal Botanic Garden, pp. 81–86.Google Scholar
Frankel, H, Broun, AH and Burdon, JJ (1995) The Conservation of Plant Biodiversity. Cambridge: Cambridge University Press, p. 125.Google Scholar
Lester, RN (1986) Taxonomy of scarlet eggplants, Solanum aethiopicum L. Acta Horticulturae 182: 125–132.Google Scholar
Lester, RN (1998) Genetic resources of Capsicum and eggplant. Xth EUCARPIA Meeting on Genetics and Breeding of Capsicum and Eggplant, Avignon, France, pp. 25–30.Google Scholar
Lester, RN and Niakan, L (1986) Origin and domestication of the Scarlet eggplant, Solanum aethiopicum, from S. anguivi in Africa. In: (ed.) Solanaceae: Biology and Systematics. New York: Columbia University Press, pp. 431–456.Google Scholar
Levin, RA, Watson, K, Bohs, L (2005) A four-gene study of evolutionary relationship in Solanum Section Acanthophora. Am. J. Bot. 92(4): 603–612.Google Scholar
Okoli, BE (1988) Cytotaxonomic studies of five West African species of Solanum L. (Solanaceae). Feddes Repertorium 99: 183–187.Google Scholar
Omidiji, MO (1982) Interrelationships of Solanum species in different series of the sub-genus Leptostemonum (Dun) Bitt. Crop Research 22: 13–21.Google Scholar
Sangowawa, BG (1986) Karyotype of West African Solanum melongena L. var. bomo. The Nucleus 29: 21–22.Google Scholar
Schippers, RR (2002) African Indigenous Vegetables: An overview of the cultivated species 2002 Revised Version on CD-ROM. Natural Resources Institute, Chatham, UK, 214 pp.Google Scholar
Singh, D (1996) The relative importance of characters affecting genetic divergence. Indian J. Genet. Plant. Breed. 41: 237–245.Google Scholar
Sneath, PH and Sokal, RR (1973) Numerical Taxonomy. San Francisco, CA: W.H. Freeman & Co., p. 573.Google Scholar
Sokal, RR and Michener, CD (1958) A statistical method for evaluating systematic relationships. University of Kansas Science Bulletin 38: 1409–1438.Google Scholar
Sunseri, F, Polignano, GB, Alba, V, Lotti, C, Bisignano, V, Mennella, G, Alessandro, AD, Bacchi, M, Riccardi, P, Fiore, MC and Ricciardi, L (2010) Genetic diversity and characterization of African eggplant germplasm collection. African Journal of Plant Science 4: 231–241.Google Scholar
Thormann, CE and Osborn, TC (1992) Application of RAPD technology to plant breeding. Joint Plant Breeding Symposia Series, 1 November 1992, Minneapolis, MN, USA. Madison: CCSA/ASHS/AGA, pp. 9–11.Google Scholar
Toppino, L, Vale, G and Rotino, GL (2008) Inheritance of Fusarium wilt resistance and Aculeatum rous into cultivated eggplant (S. melongena) and development of associated PCR-based markers. Molecular Breeding 22: 237–250.CrossRefGoogle Scholar
Ward, JH (1963) Hierarchical grouping to optimize an objective function. Journal of American Statistics Association 58: 236–244.Google Scholar