Autoria: HENZ, G. P.; REIFSCHNEIDER, F. J. B.; SANTOS, F. F. dos

Resumo: The purpose of this paper was to screen thirty-two arracacha genotypes for their reaction to root soft rot. Twenty roots of each genotype were inoculated with two Pectobacterium chrysanthemi isolates in a randomized experiment (10 roots/isolate). After inoculation, roots were individually wrapped with PVC film and kept at 26oC in closed plastic bags. Soft rot lesions were recorded after 36 hours and genotypes were grouped in four classes of susceptibility by cluster analysis: 10 were less susceptible, 16 intermediate, 3 susceptible and 3 very susceptible. All the tested arracacha genotypes showed only variation in the degree of susceptibility.

Ano de publicação: 2005

Tipo de publicação: Artigo de periódico

Unidade: Embrapa Hortaliças

Palavras-chave: Arracacha, Arracacia Xanthorrhiza, Batata baroa, Brasil, Brasília, Cerrado, Diseases, Distrito Federal, Doença, Genotypes, Genótipo, Mandioquinha-salsa, Pectobacterium chrysanthemi, Peruvian carot, Peruvian carrot, Prodridão-mole, Resistência, Root soft rot, batata-baroa, disease, resistance