Abstract
Considering the high incidence of virus in papaya (Carica papaya) orchards and their typical symptoms in the fruits, a survey was carried out in the Central Market in the State of Ceara (CEASA) for the presence of papaya fruits infected with Papaya ringspot virus (PRSV) and Papaya lethal yellowing virus (PLYV). CEASAs are the most important fruit commercial centers, and a great number of plant products sold in supermarkets are obtained in CEASA. Fruits were randomly collected from CEASA stalls and brought to the Plant Virus Laboratory at the Federal University of Ceara (UFC) to be analyzed for typical virus symptoms and tested by indirect enzyme linked immunosorbent assay (ELISA) against antisera specific to PRSV and PLYV. According to the results obtained by symptom analysis, which were confirmed by serology, among the 8,400 fruits analyzed 5.5% were infected with PRSV and 1.2% with PLYV, showing the need to implement a control program involving eradication of virus sources in the field, represented by infected plants in papaya orchards, abandoned orchards and infected plants identified in backyards.
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