Materias: '; “...ECUADOR...”
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“... et al., 1992) and more recently in a native potato (Solanum phureja) in Ecuador (Silvestre et al...”
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“... throughout the world. In Ecuador onion is grown on an area of 16,000 ha with a production of 103,316 tonnes...”
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“... symptoms were observed in gardens in Tumbaco, Ecuador. The infection was confirmed by Polymerase Chain...”
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