Cushion galls of cocoa in India
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Date
2007-02-08
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Abstract
During a survey of cocoa gardens in South India, cushion galls were observed in Trichur District (Kerala State). Based on symptomatology they were identified as fan gall and knob gall. The etiology of these galls are yet to be established. Attempts to transmit these disorders were unsuccessful. In a pod collected from a normal cushion of a fan gall affected tree, only 50 per cent of the beans were normal and healthy. The abnormal beans failed to germinate. Anatomical peculiarities of knob gall and biochemical basis of hyperauxinity in gall tissue were investigated.
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J.Plantn.Crops 1984 v-12 i-1 p-23-29