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Revista Brasileira de Fruticultura

Print version ISSN 0100-2945On-line version ISSN 1806-9967


VIEIRA, Marineide Rosa et al. Effect of papaya (Carica papaya L.) cultivated in a protected environment on the occurrence of phytophagous mites and whiteflies. Rev. Bras. Frutic. [online]. 2004, vol.26, n.3, pp.441-445. ISSN 0100-2945.

It was measured the effect of cultivating papaya cultivar "Baixinho de Santa Amália" in a protected environment and in three situations: without shade, and under screen shades of white polyethylene mesh sizes 2 x 2 mm or 2 x 1 mm. It was registered the number of plants with symptoms of recent attacks of the broad mite (Polyphagotarsonemus latus), symptoms and presence of the two-spotted spider mite (Tetranychus urticae) and the presence on leaves of adults or nymphs of whiteflies (Trialeurodes sp., Bemisia tabaci biotype B and a third unidentified species). Whitefly nymph and exuviae numbers were also counted in the laboratory. Cultivation in a protected environment favored the survival and development of the species under study, and some possible reasons for these are discussed along the text. Since cultivating papaya in protected environment can be a good alternative for "papaya ringspot virus" control, which is a restrictive factor for the crop, the development of strategies to control the pests in this condition is necessary for correct recommendation of such measure.

Keywords : screen; broad mite; two-spotted spider mite; Bemisia; Trialeurodes.

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