Cacao families and parents selected as resistant to natural infection of Moniliophthora perniciosa

dc.creatorBenjamin, Carolina S.
dc.creatorSantos, Wedisson O.
dc.creatorLuz, Edna Dora M. N.
dc.creatorPires, José L.
dc.date2018-01-29T16:54:18Z
dc.date2018-01-29T16:54:18Z
dc.date2015-12-11
dc.date.accessioned2023-09-27T21:00:09Z
dc.date.available2023-09-27T21:00:09Z
dc.identifier1984-7033
dc.identifierhttp://dx.doi.org/10.1590/1984-70332016v16n2a21
dc.identifierhttp://www.locus.ufv.br/handle/123456789/16909
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8952601
dc.descriptionThe known sources of resistance to witches' broom (WB), a severe disease of cacao, are limited. Aiming to identify families and parents resistant to Moniliophthora perniciosa, a population of 22 families was evaluated by assessing the number of brooms formed per tree during 10 years under field conditions. The population was established in randomized blocks with three replications of 12 plants each. Significant differences were observed among families. The most outstanding families were NA33 x RB39 and RB39 x P4B, which presented the lowest WB incidence during 10 years. The increase in natural field infection of Scavina clones families and their descendants were clearly demonstrated after 2006. The existence of additive effects for resistance appears clearly for families, which had other source of resistance associated with Scavina. Clones RB39, RB36, P4B, NA33 and CSUL3 are promising parents for pyramiding resistance genes and increasing the stability and durability of resistance to WB.
dc.formatpdf
dc.formatapplication/pdf
dc.languageeng
dc.publisherCrop breeding and applied biotechnology
dc.relationv.16, n.2, p. 141-146, Apr./June 2016
dc.rightsOpen Access
dc.subjectTheobroma cacao
dc.subjectResistance
dc.subjectGenetic breeding
dc.titleCacao families and parents selected as resistant to natural infection of Moniliophthora perniciosa
dc.typeArtigo


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