Abstract
The witches broom disease, caused by the basidiomycete Moniliophthora perniciosa [syn. Crinipellis perniciosa (Stahel) Singer; Marasmiaceae s.l.], is the most significant disease of cacao (Theobroma cacao). M. perniciosa can infect a variety of hosts, not only being restricted to cacao, allowing classification in three biotypes, C, L. and S. The C-biotype infects cacao and related species…