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dc.contributor.authorVALDO, S. C. D.pt_BR
dc.contributor.authorWENDLAND, A.pt_BR
dc.contributor.authorARAÚJO, L. G.pt_BR
dc.contributor.authorMELO, L. C.pt_BR
dc.contributor.authorPEREIRA, H. S.pt_BR
dc.contributor.authorMELO, P. G.pt_BR
dc.contributor.authorFARIA, L. C.pt_BR
dc.date.accessioned2016-11-28T11:11:11Zpt_BR
dc.date.available2016-11-28T11:11:11Zpt_BR
dc.date.created2016-11-28pt_BR
dc.date.issued2016pt_BR
dc.identifier.citationGenetics and Molecular Research, v. 15, n. 4, 2016.pt_BR
dc.identifier.issn1676-5680pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1057294pt_BR
dc.descriptionBacterial wilt of common bean caused by Curtobacterium flaccumfaciens pv. flaccumfaciens is an important disease in terms of economic importance. It reduces grain yield by colonizing xylem vessels, subsequently impeding the translocation of water and nutrients to the superior plant parts. The existence of physiological races in C. flaccumfaciens pv. flaccumfaciens has not so far been reported. The objective of the present investigation was to identify physiological races, evaluate differential interaction, and select resistant genotypes of common bean. Initially, 30 genotypes of common bean were inoculated with eight isolates exhibiting different levels of aggressiveness, under controlled greenhouse conditions. Disease was assessed 15 days after inoculation. The existence of differential interactions between C. flaccumfaciens pv. flaccumfaciens isolates and common bean genotypes were identified by utilizing partial diallel analysis. The most aggressive isolates were BRM 14939 and BRM 14942 and the least aggressive isolates were BRM 14941 and BRM 14946. The genotypes IPA 9, Ouro Branco, and Michelite were selected as more resistant among the test isolates. The genotypes IAC Carioca Akytã, BRS Notável, Pérola, IAC Carioca Aruã, and Coquinho contributed more to the isolate x genotype interaction according to the ecovalence method of estimation, and were, therefore, indicated as differentials. Based on these results, it was possible to conclude that physiological races of the pathogen exist, to select resistant genotypes, and to propose a set of differentials.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectPartial diallelspt_BR
dc.subjectDifferentiating seriespt_BR
dc.titleDifferential interactions between Curtobacterium flaccumfaciens pv. flaccumfaciens and common bean.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2017-10-31T11:11:11Zpt_BR
dc.subject.thesagroFeijãopt_BR
dc.subject.thesagroPhaseolus vulgarispt_BR
dc.subject.thesagroMelhoramento genético vegetalpt_BR
dc.subject.thesagroResistência genéticapt_BR
dc.subject.nalthesaurusPlant breedingpt_BR
dc.subject.nalthesaurusAggressionpt_BR
dc.subject.nalthesaurusGenetic resistancept_BR
dc.subject.nalthesaurusVarietal resistancept_BR
dc.subject.nalthesaurusPathotypespt_BR
riaa.ainfo.id1057294pt_BR
riaa.ainfo.lastupdate2017-10-31 -02:00:00pt_BR
dc.identifier.doi10.4238/gmr15048712pt_BR
dc.contributor.institutionSTELLA CRISTINA DIAS VALDO, UNIVERSIDADE FEDERAL DE GOIÁS; ADRIANE WENDLAND FERREIRA, CNPAF; LEILA GARCES ARAUJO, UNIVERSIDADE FEDERAL DE GOIÁS; LEONARDO CUNHA MELO, CNPAF; HELTON SANTOS PEREIRA, CNPAF; PATRICIA G. MELO, UNIVERSIDADE FEDERAL DE GOIÁS; LUIS CLAUDIO DE FARIA, CNPAF.pt_BR
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