Theobroma grandiflorum (Spreng.) Schum. as Source of Inoculum of Witch-broom Disease of Theobroma cacao L. Authors J.R.C. Gonçalves lnstituto de Pesquisas e Experimentação, Agropecudrias do Norte, Belém-Pará, Brazil Downloads Requires Subscription PDF Issue Volume 42 Number 3 Section Research Papers