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Effect of insect growth regulators on growth and differentiation of the tobacco caterpillarSpodoptera litura FB. (Noctuidae: Lepidoptera)

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Abstract

Topical application of insect growth regulators to freshly moulted sixth-instar larvae ofSpodoptera litura prevented their differentiation into pupae and resulted in the formation of a larval-pupal mosaic and of supernumerary larvae. The degree of the juvenilizing effect was dose-dependent; the doses above 20 μg produced the greatest effect, with 13.3 — 23.3% short-term mortality of treated caterpillars.

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Authors and Affiliations

  1. Dept. of Agricultural Entomology, Tamil Nadu Agricultural University, 641003, Coimbatore, Tamil Nadu, India

    V. T. Sundaramurthy

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  1. V. T. Sundaramurthy
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Sundaramurthy, V.T. Effect of insect growth regulators on growth and differentiation of the tobacco caterpillarSpodoptera litura FB. (Noctuidae: Lepidoptera). Phytoparasitica 4, 19–24 (1976). https://doi.org/10.1007/BF02981075

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  • DOI: https://doi.org/10.1007/BF02981075

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