CocoaThis text covers all aspects of cocoa production. Higher prices for cocoa have led to much new knowledge about the plant and changes to its methods of production. These are discussed, along with new problems that have occurred and the fresh research projects that have been needed. |
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Page 277
... resistance to the pathogen is the ultimate solution for the elimination of the disease . Field observations on cocoa ... resistance to P. palmivora and makes recommendations on tests for bearing and non - bearing trees . Lawrence ( 1978b ) ...
... resistance to the pathogen is the ultimate solution for the elimination of the disease . Field observations on cocoa ... resistance to P. palmivora and makes recommendations on tests for bearing and non - bearing trees . Lawrence ( 1978b ) ...
Page 328
... resistance has not been broken in fifteen years of distributing of the resistant material , which started several years before the pathogen was identified ( Prior 1980 ) . While no cultivars commonly planted in Peninsular Malaysia at ...
... resistance has not been broken in fifteen years of distributing of the resistant material , which started several years before the pathogen was identified ( Prior 1980 ) . While no cultivars commonly planted in Peninsular Malaysia at ...
Page 380
... resistance was apparently of Helopeltis theivora to DDT in Java in 1953 but this was not well documented . However , in 1961 in parts of Ghana D. theobroma was found to be resistant to gamma - HCH and resistance was also found in the ...
... resistance was apparently of Helopeltis theivora to DDT in Java in 1953 but this was not well documented . However , in 1961 in parts of Ghana D. theobroma was found to be resistant to gamma - HCH and resistance was also found in the ...
Contents
Botany types and populations H Toxopeus | 11 |
Environment G A R Wood | 38 |
Planting material H Toxopeus | 80 |
Copyright | |
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acid Agric Amazon Amelonado annum Anon application areas attack Bahia branches Brazil broom budding Bull Cameroon canker canopy capsids caused cent chupons clear-felling cocoa beans cocoa farms Cocoa Growers cocoa plants Cocoa Res cocoa swollen shoot Coconuts Colombia Conf Costa Rica Criollo crop cultivars damage dieback disease of cocoa dry season Ecuador effect Entwistle farmers fermentation fertiliser flavour forest fungicide fungus Ghana growth harvesting herbicides Itabuna Ivory Coast jorquette labour usage leaf losses Malaysia man-days mature cocoa mealybugs method mirids mistletoe Nigeria nursery nutrients old cocoa trees palmivora Papua New Guinea pathogen Peninsular Malaysia pesticides pests Phytophthora palmivora Phytophthora pod rot plantation Proc production pruning rainfall reduced rehabilitation removal replanting root Sabah seed seedlings shade trees soil SOURCE species spores spraying stem symptoms Table temperature Theobroma cacao tissue tonnes trials Trin Trinidad Turrialba vascular-streak dieback weed control West Africa wilt yield young cocoa