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Witches' broom disease investigations. VIII Observations on fan broom formation and loss of pods at River Estate from September 1942 to September 1943. IX. Loss of pods at River Estate. Results to April 1944



Witches' broom disease investigations. VIII Observations on fan broom formation and loss of pods at River Estate from September 1942 to September 1943. IX. Loss of pods at River Estate. Results to April 1944



Trop. Agriculture, Trin., 21: 9, 170-175; 175-176



In further work on cacao witches' broom in Trinidad, the removal of fan-and cushion-brooms from the plot of 76 trees was continued for a fourth season. During the period September, 1942, to June, 1943, and not including the early wet-season figures from July to Septem-ber, no fewer than 18, 034 fan-brooms were produced, as against only 10, 253 for the whole of the previous season. The correlation that trees winch produce many brooms one year do so again the next was once more very strong.

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Related references

Witches' broom disease investigations. VIII. Observations on fan broom formations and loss of pods at River Estate from September 1942 to September 1943, and IX. Loss of pods at River Estate. Results to April 1944. Trop. Agric. Trin, 21: 170-5. bibl. 1, 1944

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