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Effects of silicon on the penetration and reproduction events of Meloidogyne exigua on coffee roots

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dc.contributor.author Silva, Rodrigo Vieira
dc.contributor.author Oliveira, Rosângela D’Arc de Lima
dc.contributor.author Ferreira, Patrícia da Silva
dc.contributor.author Castro, Douglas Barbosa
dc.contributor.author Rodrigues, Fabrício Ávila
dc.date.accessioned 2018-07-04T12:33:06Z
dc.date.available 2018-07-04T12:33:06Z
dc.date.issued 2015-04
dc.identifier.citation SILVA, R. V. et al. Effects of silicon on the penetration and reproduction events of Meloidogyne exigua on coffee roots. Bragantia, Campinas, v. 74, n. 2, p. 196-199, Abr./Jun. 2015. pt_BR
dc.identifier.issn 1678-4499
dc.identifier.uri http://dx.doi.org/10.1590/1678-4499.360 pt_BR
dc.identifier.uri http://www.sbicafe.ufv.br/handle/123456789/9998
dc.description.abstract Considering that the root-knot nematode Meloidogyne exigua has caused great yield losses to coffee production in Brazil, this study aimed to determine whether the penetration and the reproduction events of this nematode on the roots of plants from two coffee cultivars with different levels of basal resistance to this nematode could be affected by silicon (Si). Coffee plants from the cultivars Catuaí and IAPAR 59, which are susceptible and resistant, respectively, to M. exigua, were grown in pots containing Si-deficient soil that was amended with either calcium silicate (+Si) or calcium carbonate (–Si). The Si concentration on the root tissue significantly increased by 159 and 97% for the +Si plants from the cultivars Catuaí and IAPAR 59, respectively, compared to the –Si plants of these cultivars. The population of M. exigua, the number of galls and the number of eggs were significantly reduced on the roots of the +Si plants of the cultivars Catuaí and IAPAR 59 compared to the –Si plants of these cultivars. It was concluded that the development and reproduction events of M. exigua were negatively impacted on the roots of coffee plants supplied with Si. pt_BR
dc.format pdf pt_BR
dc.language.iso en pt_BR
dc.publisher Instituto Agronômico (IAC) pt_BR
dc.relation.ispartofseries Bragantia;v. 74, n. 2, p. 196-199, 2015
dc.rights Open Access pt_BR
dc.subject Coffea arabica pt_BR
dc.subject Host resistance pt_BR
dc.subject Plant nutrition pt_BR
dc.subject Root-knot nematode pt_BR
dc.subject.classification Cafeicultura::Pragas, doenças e plantas daninhas pt_BR
dc.title Effects of silicon on the penetration and reproduction events of Meloidogyne exigua on coffee roots pt_BR
dc.type Artigo pt_BR

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