Relationship of fruit ripeness to infestation in 'sharwil' avocados by the mediterranean fruit fly and the oriental fruit fly (Diptera: Tephritidae)
Harvested and unharvested 'Sharwil' avocados, Persea americana Mill., were individually exposed to gravid females of Mediterranean fruit fly, ceratitis capitata (Wiedemann), or Oriental fruit fly, Dacus dorsalis Hendel. Infestations of 0-30 percent were obtained from avocados exposed at 0-2 postharvest; infestations of 66.7-100 percent at 3-7 d postharvest. Percent infestations of 15.8 and 4.8 percent were obtained from unharvested avocados exposed to C. capitata and D. dorsalis, respectively. Mean puparial recoveries ranged from 0 to 4.8 puparia per exposed fruit from the unharvested avocados and avocados exposed at 0-2 d postharvest, and recoveries ranged from 7.7 to 135.5 from avocados exposed at 3-7 post-harvest. The hard avocado skin seemed to provide a physical barrier which resulted in lower infestations of both fruit fly species in unharvested avocados, and in avocados that were within 3 d postharvest.
Main Authors: | 100622 Oi, D.H., 91919 Mau, R.F.L. |
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Format: | Texto biblioteca |
Language: | spa |
Published: |
Annapolis, Maryland Entomological Society of America
1989
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Subjects: | PERSEA AMERICANA, CERATITIS CAPITATA, DACUS DORSALIS, PLAGAS DE PLANTAS, DAÑOS, INFESTACION, FISIOLOGIA POSTCOSECHA, MADURAMIENTO, ARBOLES FRUTALES, AGUACATE, FRUIT TREES, AVOCADO, |
Online Access: | https://academic.oup.com/jee/article/82/2/556/2215101?searchresult=1 |
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