Empire of Journal of experimental Agriculture v0l XIX

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Date
1951
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East African Forestry Research Organization
Abstract
THE 'Sudden-death disease' of cloves has been described in detail by N utman and Sheffield [I]. I t results in the death of the affected tree after a variable period during which the tree gradually declines but shows no definite diagnostic symptoms. It is difficult to determine when it first appeared in the Zanzibar Protectorate, as it had been confused with two other diseases. 'Dieback' seems to have been regarded as a different symptom-expression of the same disease until about 10 years ago, and proof that this is not the case is still lacking; and only in 1946 did Briant distinguish between Sudden-death and death due to a rising watertable. It is, however, reasonably certain that the disease has been present for well over half a century.
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