Bionomics of Oriental Fruit Fly Bactrocera dorsalis (Hendel) on Guava
DOI:
https://doi.org/10.55446/IJE.2022.538Keywords:
Bactrocera dorsalis, guava fruit, fruit fly, lifecycle, egg, larval, pupal period, adult longevity, fecundity, rainy season, winter seasonAbstract
A study on bionomics and morphometrics of the Oriental fruit fly Bactrocera dorsalis (Hendel) was carried out during rainy and winter season guava crop over the period of 2018-2019 at the Department of Agricultural Entomology, BCKV, Mohanpur, West Bengal. Comparative bionomics data of B. dorsalis revealed that the egg, larval and pupal periods of B. dorsalis in the rainy season crop amounted to 1.56±0.56, 10.14± 0.59 and 10.74± 0.42 days, respectively in the winter season these worked out to 2.11± 0.33, 11.0± 0.41 and 13.87± 0.82 days, respectively. The lifecycle got extended when reared with the winter season fruit crop compared to that of rainy season. This study revealed that short life cycle with more damage of oriental fruit fly, B. dorsalis was observed in the rainy season guava as compared to winter season.
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