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Relationship between endogenous ecdysone titer and in vitro activity of prothoracic glands of Mamestra brassicae (Lepidoptera:Noctuidae)


Relationship between endogenous ecdysone titer and in vitro activity of prothoracic glands of Mamestra brassicae (Lepidoptera:Noctuidae)



Applied Entomology and Zoology 8(4): 239-240



ISSN/ISBN: 0003-6862

In studies in Japan, prothoracic glands from last-instar larvae and newly formed pupae of Mamestra brassicae (L.) were cultured for 48 h and their activity was tested by the Chilo-integument assay (cf. preceding abstract). The endogenous ecdysone titre was determined by the method of T. Ohtaki & others (1968). The activity of the prothoracic glands increased from the second day and was greatest on the ninth day (prepupal stage) of the studies.

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Accession: 000480436

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