Evaluation of Phenotypic Stability of Resistance to Phytophthora spp. in Cacao Clones

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dc.contributor.authorLuiz Roberto M. Pinto
dc.contributor.authorStela D.V.M. Silva
dc.contributor.authorMilton M. Yamada
dc.date.accessioned2014-04-07T11:15:22Z
dc.date.available2014-04-07T11:15:22Z
dc.date.issued2007
dc.description.abstractResistance of fourteen Theobroma cacao clones to Phytophthora spp. was evaluated using stem inoculations on grafted seedlings. Concepts of phenotypic stability were used to interpret the results and to express horizontality of the resistance. The linear regression coefficient ‘b’, the determination coefficient (R2) and average lesion size were used to determine the level of horizontal resistance, the phenotypic stability and the predictability of all clones. The results indicated that clones P 7 and MA 15 present highest levels of horizontal resistance and stability, but with moderate predictability. Clones CAS 1 and CEPEC 13 were classified as those with high horizontal resistance, stability and predictability, while clones PA 30, UF 650 and SIAL 88 and EET 59 showed intermediate resistance and stability and high predictability. Clones SPA 17, OC 61, PA 150, SIAL 505, ICS 1 and R 41 presented high susceptibility and intermediate or low stability and moderate or high predictability.en_US
dc.identifier.citationFitopatol. Bras. 32(6), nov - dez 2007en_US
dc.identifier.urihttp://hdl.handle.net/123456789/302
dc.language.isoenen_US
dc.publisherARTIGOS / ARTICLESen_US
dc.subjectTheobroma cacaoen_US
dc.subjectgenotypesen_US
dc.subjectblack pod diseaseen_US
dc.titleEvaluation of Phenotypic Stability of Resistance to Phytophthora spp. in Cacao Clonesen_US
dc.typeArticleen_US

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