Preliminary Studies on the Association of Fusarium Equiseti (Corda) Sacc and Cylindrocarpon Effusum Bugn with Coconut Root (Wilt) Disease
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2007-02
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Root decay is often found to be associated with Coconut root (wilt) disease. Evidences suggest the association of some fungi in causing root damage. Recently Fusarium equiseti and Cylindrocarpon effusum were isolated from apparently healthy roots of root (wilt) affected and also apparently healthy palms of diseased tract. Pathogenicity trials indicated the ability of these fungi to cause internal damage prior to the development of external symptoms in roots as evidenced by the derangements observed at the stelar region. As the infection progressed, acute symptoms were noticed, exhibiting black necrotic patches on the mature roots and also rotting of the root tip. The number of rotted roots increased as the period of incubation prolonged resulting in a deteriorated root system as occurring in root (wilt) affected palms.
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In: Proceedings, PLACROSYM II, UPASI, Ootacamund, 26-29 Jun. 1979. Edited by C. S. Venkataram and others 1980 p-325-329