2004
DOI: 10.1590/s0006-87052004000100005
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Variabilidade genética do rendimento intrínseco de grãos em germoplasma de Coffea

Abstract: O rendimento intrínseco do café, relação percentual entre a massa de dois grãos normais tipo chato e do respectivo fruto que os contém, foi estudado em seis grupos de germoplasma de Coffea, com o objetivo de se conhecer a variabilidade genética para essa característica. Investigou-se o rendimento intrínseco de Coffea arabica em um grupo de cinco cultivares de porte baixo, em outro contendo 22 cultivares e seleções e, ainda, em outro grupo com 79 cultivares, variedades e formas botânicas, mutantes e acessos da … Show more

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Cited by 6 publications
(3 citation statements)
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“…1) showed similar relationships between species as those observed by phylogenetic Cros et al 1998) and molecular marker studies (Lashermes et al 1993;Ruas et al 2000;Moncada and McCouch 2004;Silvestrini et al 2007). In other agronomic studies, accessions from the IAC Coffea Collection were evaluated regarding intrinsic coffee bean outturn and fruit chemical composition (Gaspari-Pezzopane et al 2004;Aguiar et al 2005). The resulting groups (Aguiar et al 2005) were very similar to that observed with RAPD analysis.…”
Section: Genetic Relationshipssupporting
confidence: 74%
See 1 more Smart Citation
“…1) showed similar relationships between species as those observed by phylogenetic Cros et al 1998) and molecular marker studies (Lashermes et al 1993;Ruas et al 2000;Moncada and McCouch 2004;Silvestrini et al 2007). In other agronomic studies, accessions from the IAC Coffea Collection were evaluated regarding intrinsic coffee bean outturn and fruit chemical composition (Gaspari-Pezzopane et al 2004;Aguiar et al 2005). The resulting groups (Aguiar et al 2005) were very similar to that observed with RAPD analysis.…”
Section: Genetic Relationshipssupporting
confidence: 74%
“…Coffee Germplasm Collection of IAC has been maintained and characterized by traditional methods such as analysis of morphological (plant height and fruits, leaves and seeds color and size) and agronomic characteristics (productivity, disease and pest resistance, cup quality) (Silvarolla et al 1999;Gaspari-Pezzopane et al 2004;Aguiar et al 2005;Medina-Filho et al 2007). However, this type of evaluation has been insufficient to characterize all available genetic resources, in part due to intrinsic characteristics of coffee like long life span, low genetic diversity of commercial C. arabica plants Maluf et al 2005) and difficulties of in vivo maintenance of some species under the biotic and abiotic hazards of the field collection.…”
Section: Introductionmentioning
confidence: 99%
“…In coffee crops (C. arabica), several factors, such as predominance of self-pollination and propagation from seeds, contribute to a low genetic variability. Another factor that contributes to this is the pedigree method for conduction of segregated populations, which is used to obtain the commercial cultivars (Gaspari-Pezzopane et al, 2004;Carvalho and Krug, 2010). In this method, individuals are selected in the segregated generations, maintaining the relationship data between parents and offspring (Bueno et al, 2006).…”
Section: Introductionmentioning
confidence: 99%