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Journal of Entomological Research
Year : 1990, Volume : 14, Issue : 1
First page : ( 44) Last page : ( 51)
Print ISSN : 0378-9519.

Juvenomimetic effects of karanjin on the larval development of flesh fly, Sarcophaga ruficornis Fabr. (Cyclorrhapha: Diptera)

Mathur Y.K.1, Srivastava J.P.1, Nigam S.K.1,2, Banerji R.1,2

1Department of Entomology, C.S.A. University of Agriculture & Technology, Kanpur-208 002 (India).

2Lipid and Pesticides Division, National Botanical Research Institute, Lucknow-226 001 (India).

Accepted:  9  March,  1990.

Abstract

Karanjin treated third instar larvae of fleshfly, Sarcophaga ruficornis manifested three types of morphogenetic forms viz., larval-pupal intermediates, pupal-adult intermediates and deformed adults. With the increase in concentration of karanjin (2000–3500 ppm), more larval mortality and 1-pintermediates were obtained; where as at lower concentrations (1000–2000 ppm) the percentage of pupal-adult intermediates and deformed adults was more pronounced. Karanjin, the principal furanoflavonoid of Pongamia pinnata L. Pierre (karanj) was used in the crytalline form isolated from the seed oil.

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