Journal of Food, Agriculture and Environment
Vol 8,
Issue 2,2010
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Evaluation of 37 economically important traits from 51 strains of the silkworm Bombyx mori and their relationships
Author(s):
M. Salehi Nezhad 1,
S. Z. Mirhosseini 2, S. Gharahveysi 1, M. Mavvajpour 3, A. R. Seidavi 4*Recieved Date: 2010-01-04, Accepted Date: 2010-04-02
Abstract:The present study was undertaken to ascertain the magnitude of genetic diversity among all 51 silkworm genotypes and estimate the genetic variation for economical traits to augment the utilization of silkworm genetic resources for silkworm breeding programs. Various methods generated similar dendrograms. The dendrograms obtained from hierarchical cluster analysis of Iranian silkworm strains based on studied traits were presented. However, the strains of the same origin did not group together, demonstrating they can have different biological and development performance. The first and second groups divided into three sub-groups separately. Three sub-groups of the first group included 8, 15 and 1 strains, respectively. Other strains were grouped together and far from other silkworm strains, indicating they might be suitable for future crossings, maintenance of parental strains, and hybridizations with oval cocoon strains so as to maximize heterosis and to avoid depression inbreeding.
Keywords:Bombyx mori,
cocoon, peanut, germplasm, hierarchical clustering analysisJournal: Journal of Food, Agriculture and Environment
Year: 2010
Volume: 8
Issue: 2
Category: Environment
Pages: 924-929
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