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,
Peter Posnette Peter Posnette Peter Posnette (real name Adrian Frank Posnette) (11 January 1914 – 17 July 2004) was a British plant pathologist. He was born in the South Birmingham area and educated at Cheltenham Grammar School. He entered Christ's College, Cambridge to study zoology but then accepted a Colonial Agricultural Service research studentship in plant genetics. After studying at the Cambridge University School of Agriculture, he moved to the Imperial College of Tropical Agriculture in Trinidad to carry out a research project into the pollination of the cocoa tree (Theobroma cacao). In 1937 he moved to the Gold Coast as a