Viral diseases of Colocasia esculenta (L.) schott. symptoms, dissemination pathways and potential risks for Cuba: A review
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Abstract
Taro crops Colocasia esculenta (L.) Schott is affected by different diseases which are limiting factors to achieve high yields. Among these, those caused by viral species have been of major concern since their main damages are related to the reduction of the size and quality of the corms. The aim of this work is to make known the viral diseases infecting this crop, not present in Cuba but representing a risk for the country due to the commercial trade, germplasm movement and the shortage of diagnostic tools and efficient management systems. At the same time, it will provide new knowledge for phytosanitary epidemiological surveillance services and for taking the appropriate measures in response of the occurrence symptoms, not previously observed in Cuba; due to introduction of infected materials. Currently, these diseases have been reported on several countries, such as the pathologies caused by Taro vein chlorosis virus (TaVCV), Colocasia bobone disease virus (CBDV), Taro bacilliform virus, (TaBV), Taro reovirus (TaRV), the viral complex of CBDV and TaBV, that cause Alomae disease and Groundnut bud necrosis virus (GBNV), a species included on the Group A1 of the List of Regulated Pest of the Republic of Cuba.
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