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Genetic variation in growth traits and yield of rubber trees (Hevea brasiliensis) growing in the Brazilian state of São Paulo Genet. Mol. Biol.
Gonçalves,Paulo de Souza; Moraes,Mário Luiz Teixeira de; Bortoletto,Nelson; Costa,Reginaldo Brito da; Gonçalves,Elaine Cristine Pifer.
Analysis of variance and covariance was preformed on growth traits (stem girth, bark thickness, total height gain and rubber yield) of 22 open-pollinated progenies of the rubber tree Hevea brasiliensis from an Asian Hevea collection introduced to Agronomic Institute (Instituto Agronômico, Campinas, São Paulo, Brazil; IAC) in 1952. This progeny trial was replicated at three sites in São Paulo state and it was found that at three years from sowing there was statistically significant variation for girth, bark thickness, height and rubber yield. An individual test sites, values of individual plant heritability for girth ranged from h= 0.36 to h= 0.89 whereas values for heritability for progeny means ranged from h= 0.77 to h= 0.87. These moderate and high...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hevea brasiliensis; Rubber tree; Heritability; Genetic parameters.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572005000500019
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