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dc.creatorRibeiro Trindade,Ana Paula
dc.creatorBarth Pinto,Ronald José
dc.creatorAmaral Júnior,Antonio Teixeira do
dc.creatorMangolin,Claudete Aparecida
dc.creatorSilva Machado,Maria de Fátima Pires da
dc.creatorScapim,Carlos Alberto
dc.date2010-01-01
dc.date.accessioned2019-05-03T12:44:40Z
dc.date.available2019-05-03T12:44:40Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-34582010000100004
dc.identifier.urihttp://revistaschilenas.uchile.cl/handle/2250/85101
dc.descriptionInformation about genetic dissimilarity is very important to corroborate genealogical relationships and to predict the most heterozygotic hybrid combinations. Eight popcorn S6 lines of diverse germplasm types were evaluated using simple sequence repeats (SSR) markers. Of a total of 51 evaluated polymorphic primers, 15 were used for polymerase chain reaction (PCR) amplification. The genetic distance was estimated by Rogers’ modified distance. The different popcorn breeding programs in Brazil are possibly using highly similar base-populations. The genetic similarity of lines P1-3 and P8-1 was lowest, while P3-3 and P8-2 were genetically more similar. The cophenetic correlation showed that the Unweighted Pair-Group Method Using Arithmetic Averages (UPGMA) was reliable to discriminate the genotypes in five groups. The clusters were consistent with the estimates of genetic identity. There was a moderate coincidence degree between the groups and genealogy of lines. Higher levels of heterozygosity are expected from crosses between the group containing lines P3-3 and P7-3 with that of P1-3 and P7-4. Crosses between lines P1-3 and P8-1 are also promising.
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dc.languageen
dc.publisherPontificia Universidad Católica de Valparaíso
dc.relation10.4067/S0717-34582010000100004
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceElectronic Journal of Biotechnology v.13 n.1 2010
dc.subjectadvanced generations
dc.subjectgenetic variability
dc.subjectmolecular markers
dc.subjectZea mays
dc.titleGenetic diversity of breeding popcorn lines determined by SSR markers


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