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Paper Details

Biology of Onion Thrips, Thrips Tabaci (Lind.) (Thysanoptera: Thripidae) On Onion Allium Cepa (Linnaeus)

N. V. Patel1*, D. M. Pathak1, N. S. Joshi2 and M. R. Siddhapara2

Journal Title:Journal of Chemical, Biological and physical sciences
Abstract


Study on biology of Thrips tabaci (Lind.) on onion showed that the thrips laid singly minute, kidney shape and translucent white in colour inside the leaf tissues with its pointed ovipositor. The average incubation period varied from 4.52 0.51 days. The Larvae passed through two instars. The average larval period varied from 5 to 7 days with an average of 5.93 1.00 days while pre-pupal and pupal period were 1.96 0.76 and 3.56 0.50 days, respectively. The average preoviposition, oviposition and post- oviposition period were 3.43 1.10, 22.98 5.58 and 3.51 1.10 days, respectively. The average fecundity of female was 56.63 11.73 eggs during entire life spam. The average longevity of adult was 27.97 6.01 days. Total life cycle lasted for 38 to 62 days with an average of 49.66 5.79 days.

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