Annual Report on Cacao Research |
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acid appear application attack beans branches broom cacao cacao research cacao-thrips changes cherelle clones close cocoa College of Tropical compared correlated crop crosses cuttings deficiency determined disease effect experiment factors fermentation fertiliser field FIGURE flavour flowering flush four fruit further give given growing growth higher Imperial College importance increase indicate infection later leaf leaves less light intensity material mealybugs means measure method Murray nitrogen normal nutrient observed obtained occur ovules percentage period plants plots pods possible present produced pupa rainfall recorded relation relative resistance response River Estate roots samples season seedlings selection shade shown significant similar soil spacing species spray surface symptoms TABLE tissue treatments trees Trinidad Tropical Agriculture usually values weight wide wilt yield young