Tree An area of woodland composed primarily of trees established by planting or artificial seeding is known as a plantation. Trees are the source of many of the world's best known fleshy fruits. Apples, pears, plums, cherries and citrus are all grown commercially in temperate climates and a wide range of edible fruits are found in the tropics. Other commercially important fruit include dates, figs and olives. Palm oil is obtained from the fruits of the oil palm ("Elaeis guineensis"). The fruits of the cocoa tree ("Theobroma cacao") are used to make cocoa and chocolate and the berries of coffee trees,
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