Titlebook: Disease Management in Cocoa; Comparative epidemio S. A. Rudgard,A. C. Maddison,T. Andebrhan Book 1993 Springer Science+Business Media Dordr

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e prospects considered in the closing chapters. The many man-years of field research in the IWBP in a total of six countries generated much useful information which was analyzed both in the individual countries and collectively. Even with a document of this size, certain information and analyses with less dir978-94-010-4943-6978-94-011-2126-2

Commonplace

Comparative Epidemiology Study: Trinidad,are slim according to Wood (1985), and the cocoa industry may remain at its present level. The Trinidad & Tobago Cocoa Industry Board has embarked on a rehabilitation programme aimed at improving cocoa management and replacing old trees with a standard set of TSH (Trinidad Selected Hybrids) clones.

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CODA

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預測

The Pathosystem,its primary centre of diversity. By the 16th century it was already well established as a crop in several areas within these regions and cocoa beans were used both as currency and as the basis of a drink, the ‘chocolatl’ of the Aztecs. Subsequently cocoa cultivation spread to other parts of South Am

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Comparative Epidemiology Studies: Introduction,tially eight sites (three in Brazil, two in Colombia, two in Ecuador, and one in Trinidad) were planned to start in the first dry season at each location after July 1985. Two more sites (one in Grenada, and one in Venezuela) were added one year later. Recording also began in 1986 at a site in Bahia,

蜈蚣

Comparative Epidemiology Study : Colombia Caldas and Llanos Orientales,be 51,000 t from a harvested area of 103,000 ha within the total of 120,000 ha of cocoa planted. Cocoa producing regions are distributed throughout the country according to the varied physical geography and the climatic zones, and official figures for production (FEDECAFE) show 26 departments in the

自然環(huán)境

Comparative Epidemiology Study: Ecuador,n, which is usually in the range of 60,000–90,000 t per year. Cocoa is the fourth most important export from Ecuador, following oil, shrimps, and bananas. In the principal producing areas to the west of the Andes cocoa, like coffee, is grown typically as part of a extensive, but irregular agroforest