2016
DOI: 10.1590/s0102-053620160000200019
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Reação de genótipos de cebola à mancha púrpura

Abstract: RESUMO: A mancha púrpura é uma das doenças mais limitantes da cebola, e a resistência genética é forma de controle mais viável da doença. O objetivo deste trabalho foi avaliar a reação de genótipos de cebola a alternaria porri em campo. Foram avaliados 64 genótipos (cultivares, populações e linhagens do programa de melhoramento da embrapa) em sistema convencional de cultivo. Utilizou-se como testemunha resistente a população cnph 6342 e como suscetível a linhagem macho-fértil 420. A cultura foi implantada pelo… Show more

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Cited by 1 publication
(2 citation statements)
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“…Souza et al (2008) evaluated the productive performance of onion genotypes in the Northeastern semiarid region of Brazil and demonstrated that the 'Régia' genotype was one of the most promising in the region of the São Francisco Valley. In addition, when evaluating onion genotypes to purple blotch, Pereira et al (2016) verified that this genotype showed moderate tolerance to this disease. However, in the present study, the 'Régia' genotype was found to be susceptible to B. gladioli pv.…”
Section: Screening Of Onion Genotypes To B Gladioli Pv Alliicolamentioning
confidence: 83%
See 1 more Smart Citation
“…Souza et al (2008) evaluated the productive performance of onion genotypes in the Northeastern semiarid region of Brazil and demonstrated that the 'Régia' genotype was one of the most promising in the region of the São Francisco Valley. In addition, when evaluating onion genotypes to purple blotch, Pereira et al (2016) verified that this genotype showed moderate tolerance to this disease. However, in the present study, the 'Régia' genotype was found to be susceptible to B. gladioli pv.…”
Section: Screening Of Onion Genotypes To B Gladioli Pv Alliicolamentioning
confidence: 83%
“…None of the 58 genotypes tested showed immunity (absence of disease) to strain CCRMBG39 (Table 1). Pereira et al (2016) analyzed the resistance of 64 onion genotypes to purple blotch (Alternaria porri), and were able to classify the evaluated genotypes in four distinct groups (resistant, moderately resistant, susceptible, and highly susceptible), with proportions of 16.41%, 47.76%, 26.86%, and 4.47%, respectively. The genotypes Crioula Mercosul, Bola Precoce, Juporanga L2, Juporanga L7, and Roxa do Barreiro were considered resistant to purple blotch by these authors and were also classified as tolerant to strain CCRMBG39 of B. gladioli pv.…”
Section: Screening Of Onion Genotypes To B Gladioli Pv Alliicolamentioning
confidence: 99%