Phytopathology (1980) 70, 185-189

J.W. Randles, Guido Boccardo and Julita S. Imperial (1980)
Detection of the cadang-cadang associated RNA in African oil palm and buri palm
Phytopathology 70 (3), 185-189
Abstract: A low-molecular-weight RNA with the same apparent electrophoretic mobility in 3.3% polyacrylamide gels as the diagnostic viroid-like RNA associated with the cadang-cadang disease of coconut (ccRNA-1) has been detected in the African oil palm (Elaeis guineensis Jacq.) and buri palm (Corypha elata Roxb.). Palms with the RNA displayed cadang-cadang-like symptoms in the field and came from within the area of distribution of the disease. A ³H-labeled DNA probe complementary to ccRNA-1 was used to show that these two species contained a low-molecular-weight RNA apparently with a nucleotide sequence the same as that of ccRNA-1. African oil palm and buri palm are therefore shown to be naturally infected hosts of cadang-cadang disease. These techniques failed to detect ccRNA-1 in specimens of three other palm species.
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Database assignments for author(s): John W. Randles, Guido Boccardo

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Coconut cadang-cadang viroid	Oil palm (Elaeis guineensis)	Philippines
	Coconut cadang-cadang viroid	Corypha (crop)	Philippines