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Witches' broom disease investigations. X. Loss of pods in I.C.S. clones at River Estate during 1943, and XI. Observations on the effect of planting on witches' broom disease at River Estate



Witches' broom disease investigations. X. Loss of pods in I.C.S. clones at River Estate during 1943, and XI. Observations on the effect of planting on witches' broom disease at River Estate



Trop. Agric. Trin, 21: 196-8



I.C. Selection cacao clones examined for the first time showed, with the exception of I.C.S. 3, a considerable degree of pod disease avoidance through setting their fruits at a time when severe infection by witches' broom disease was not possible. I.C.S. 1, 4, and 6 show somewhat more resistance than I.C.S. 3, 5, and 8. Since disease avoidance has already been eliminated, the difference may be true resistance. Statistical treatment has not been possible yet.

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