Cocoa bean grow a variety of fruit-bearing shade trees to supplement their income to help cope with the volatile cocoa prices. Although cocoa has been adapted to grow under a dense rainforest canopy, agroforestry does not significantly further enhance cocoa productivity. Cocoa bean The cocoa bean or simply cocoa (), which is also called the cacao bean or cacao (), is the dried and fully fermented seed of "Theobroma cacao", from which cocoa solids (a mixture of nonfat substances) and cocoa butter (the fat) can be extracted. Cocoa beans are the basis of the sweet food preparation called chocolate, and of such
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