Theobroma Theobroma Theobroma is a genus of flowering plants in the mallow family, Malvaceae, that is sometimes classified as a member of Sterculiaceae. It contains roughly 20 species of small understory trees native to the tropical forests of Central and South America. The generic name is derived from the Greek words θεός ("theos"), meaning "god," and βρῶμα ("broma"), meaning "food". It translates to "food of the gods." "Theobroma cacao", the best known species of the genus, is used for making chocolate. Several species of "Theobroma" produce edible seeds, notably cacao, cupuaçu, and mocambo. Cacao is commercially valued as the source of
Moniliophthora perniciosa Moniliophthora perniciosa Moniliophthora perniciosa (previously "Crinipellis perniciosa") is a fungus that causes "witches' broom disease" (WBD) of the cocoa tree ("Theobroma cacao" L.). "T. cacao" a tropical tree with seeds that are processed into cocoa (=cacao) products. This pathogen is currently limited to South America, Panama and the Caribbean, and is perhaps one of the best-known cocoa diseases, thought to have co-evolved with cocoa in its centre of origin (first recorded in the Brazilian Amazon in 1785). This fungus is hemibiotroph, with two characteristic phases: biotrophic (expanding and infecting, on living tissue) and saprotrophic (producing basidiospores, on necrotic tissue). The