By G. A. R. Wood, R. A. Lass
This article covers all features of cocoa construction. larger costs for cocoa have ended in a lot new wisdom concerning the plant and adjustments to its equipment of creation. those are mentioned, besides new difficulties that experience happened and the clean learn tasks which have been wanted. The e-book will be of curiosity to advertisement growers, in addition to learn and extension employees, and all these thinking about the cocoa undefined.
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I Pod development and its relation to wilt. J . Exp. Bot. 7: 252-63. Myers. J G. (1930) Notes on wild cacao in Surinam and in British Guiana. Kew Bull. 1930, 1-10 Myers, J . G . (1934) Observations on wild cacao and wild bananas in British Guiana. , Trin. 11: 263-7. Pittier, H. (1935) Degeneration of cacao through natural hybridisation. J . Hered. 26: 385-90. Posnette, A. F. (1950) The pollination of cacao in the Gold Coast. J . Hort. Sci. 25: 155-63. Posnette, A. F. and Entwistle, H. M. (1958) The pollination of cocoa Rowers.
It is generally agreed that Criollo cocoa was grown in Trinidad until the middle of the eighteenth century, at which time there was a ‘blast’ which practically wiped out the cocoa industry. What happened after that calamity is not known, but in 1825 a cocoa estate manager in Venezuela imported vigorous planting material from Trinidad (Pittier 1935). A t that time the plantings of Criollo cocoa along the north coast of Venezuela had become old and in need of replanting. The new planting material from Trinidad became popular in 34 Botany, types and populations Venezuela and was referred to as Trinitario.
Pods from crosses between whitebeaned and purple-beaned trees contain either 50 per cent o r 100 per cent purple beans (Wellensiek 1932). Physical characters of the bean The dry weight of the bean is mainly determined by the tree that produces it, but the pollen-parent also affects weight to a small extent. The main environmental factor that affects bean weight is rainfall. In Nigeria it has been shown that the rainfall 2, 3, 4 and 5 months before harvesting the pods is significantly correlated with the average weight of dried beans (Toxopeus and Wessel 1970).