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Effects of silicon on the penetration and reproduction events of Meloidogyne exigua on coffee roots
Provedor de dados: 53
Autores: Silva,Rodrigo Vieira; Oliveira,Rosângela D’Arc de Lima; Ferreira,Patrícia da Silva; Castro,Douglas Barbosa; Rodrigues,Fabrício Ávila.
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,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coffea arabica; Host resistance; Plant nutrition; Root-knot nematode.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052015000200196