000 02965nab a22004577a 4500
001 G90306
003 MX-TxCIM
005 20220523224044.0
008 220523s2007 xxk|||p|op||| 00| 0 eng d
022 _a1601-5223 (Online)
022 _a0018-0661
024 8 _ahttps://doi.org/10.1111/j.2006.0018-0661.01921.x
040 _aMX-TxCIM
041 _aeng
090 _aCIS-5208
100 1 _aLegesse, B.W.
_924817
245 1 0 _aGenetic diversity of African maize inbred lines revealed by SSR markers
260 _aUnited Kingdom :
_bWiley,
_c2007.
340 _aComputer File|Printed
500 _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0018-0661
500 _aPeer review
500 _aOpen Access
520 _aKnowledge of genetic diversity (GD) and relationships among maize inbred lines is indispensable in a breeding program. Our objectives were to (1) investigate the level of genetic diversity among maize inbred lines and (2) assess their genetic structures by applying simple sequence repeat (SSR) markers. Fifty-six highland and mid-altitude maize inbred lines obtained from CIMMYT programs in Ethiopia and Zimbabwe were genotyped using 27 SSR loci. All of the genotypes studied could unequivocally be distinguished with the combination of the SSRs used. In total, 104 SSR alleles were identified, with a mean of 3.85 alleles per locus. The average polymorphism information content (PIC) was 0.58. GD expressed as Euclidean distance, varied from 0.28 to 0.73 with an average of 0.59. Cluster analysis using unweighted pair group method with arithmetic average (UPGMA) suggested five groups among the inbred lines. Most of the inbred lines adapted to the highlands and the mid-altitudes were positioned in different clusters with a few discrepancies. The pattern of groupings of the inbred lines was mostly consistent with available pedigree information. The variability detected using SSR markers could potentially contribute towards effective utilization of the inbred lines for the exploitation of heterosis and formation of genetically diverse source populations in Ethiopian maize improvement programs.
536 _aGenetic Resources Program
546 _aText in English
592 _aZA-UP 2005 LEGESSE D r
594 _aINT1617
650 7 _aMaize
_2AGROVOC
_91173
650 7 _91125
_aGenetic diversity
_2AGROVOC
650 7 _91848
_aGenetic markers
_2AGROVOC
650 7 _92624
_aStatistical methods
_2AGROVOC
650 7 _aInbred lines
_2AGROVOC
_91155
700 1 _aMyburg, A.A.
_920369
700 1 _9832
_aPixley, K.V.
_gGenetic Resources Program
_8INT1617
700 1 _aBotha, A.M.
_919083
740 _a82500
740 _a90306
773 0 _tHereditas
_n635067
_gv. 144, no. 1, p. 10-17
_dUnited Kingdom : Wiley, 2007.
_wG444334
_x1601-5223
856 4 _yOpen Access through DSpace
_uhttp://hdl.handle.net/10883/1735
942 _cJA
_2ddc
_n0
999 _c26963
_d26963