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II Plant Physiology
CHEMICAL AND ECOLOGICAL SECTION
2 other sections not shown
acetic acid analysis anthocyanin 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 flowering flush frass fruit gametes girth growth Havord ICS clones Imperial College increase infection inoculated larva leaf leaves light intensity Maliphant Manurial mature mealybugs means method moisture mulch nitrogen nitrogen fertiliser normal nutrient observed obtained 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 soil species spray susceptible symptoms Table temperature Theobroma Theobroma cacao thrips tion tissue treatments Trinidad Trinidad and Tobago Tropical Agriculture unshaded Witches yield