Annual Report on Cacao Research |
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acetic acid analysis auxin beans broom disease buds cacao research cacao trees cacao-thrips cherelle wilt chlamydospores chlorosis clonal clones cocoa College of Tropical Colombia copper correlated cotyledons criollo crop cuttings D. B. Murray deficiency dry season effect experiment factors Fennah fermentation fertiliser field FIGURE flowering flush frass fruit gametes girth growth Havord ICS clones ICS IX Imperial College increase infection inoculated larva larvæ leaf leaves light intensity Maliphant Manurial mature mealybugs means method mulch nitrogen nitrogen fertiliser non-fusion ovules normal nutrient observed occur ovules percentage period plants plots potash potassium produced progeny rainfall report on cacao River Estate roots S.E. of difference samples scion seedlings segment self-incompatible shade shown significant species spray susceptible symptoms TABLE temperature Theobroma Theobroma cacao thrips tion tissue treatments Trinidad Tropical Agriculture unshaded Witches yield دو