2020
DOI: 10.48075/actaiguaz.v9i4.25419
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Reação de quatro espécies de maracujazeiros à Meloidogyne incognita

Abstract: Informações quanto à suscetibilidade ou tolerância de espécies de maracujá (Passiflora spp.) à fitopatógenos, como os nematoides, são importantes no processo de escolha de porta-enxertos. Com esse trabalho, objetivou-se estudar a resistência de quatro espécies de maracujazeiros ao nematoide das galhas, Meloidogyne incognita. Adotou-se delineamento inteiramente casualizado, em esquema fatorial 4x4 (espécies x níveis de inóculo), totalizando 16 tratamentos com cinco repetições. As espécies utilizadas foram Passi… Show more

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“…The widespread incidence of these pathogens suggests that multi-resistant genotypes would likely perform better in fields. To the best our knowledge, no passion fruit breeding program has attempted this, and genotype screenings continue to be conducted for single pathogens only (e.g., Preisigke et al ., 2015 ; Nascimento et al ., 2016 ; Zucareli et al ., 2020 ; Carvalho et al ., 2021 ).…”
Section: Discussionmentioning
confidence: 99%
“…The widespread incidence of these pathogens suggests that multi-resistant genotypes would likely perform better in fields. To the best our knowledge, no passion fruit breeding program has attempted this, and genotype screenings continue to be conducted for single pathogens only (e.g., Preisigke et al ., 2015 ; Nascimento et al ., 2016 ; Zucareli et al ., 2020 ; Carvalho et al ., 2021 ).…”
Section: Discussionmentioning
confidence: 99%
“…BRS-PC) were also rated as immune to M. incognita (R = 0), in partial accordance to the previous reports of Paula (2006) for the accession CPAC MJ 12-1 of P. setacea (R = 0.19) and of Rocha et al (2013) for an indetermined genotype of P. cincinnata (R = 0.3). However, M. incognita reproduced on an indetermined genotype of Sururuca passion fruit (R = 1.9) in Rocha et al (2013), and indetermined genotypes of yellow and Caatinga passion fruits (R = 12,0 and 8.3) in Zucareli et al, 2020. To our knowledge, the host status of BRS-SF and BRS-PC for M. incognita was not assessed yet.…”
mentioning
confidence: 92%