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Hormonal effect on cultivated insect tissues part 4 the role of testis in spermiogenesis of the cabbage armyworm mamestra brassicae in vitro



Hormonal effect on cultivated insect tissues part 4 the role of testis in spermiogenesis of the cabbage armyworm mamestra brassicae in vitro



Applied Entomology and Zoology 13(4): 278-282



The progress of spermiogenesis in cultivated spermatocysts in 3 day old pupae of the diapausing M. brassicae was examined under in vitro conditions with Grace's medium without ecdysones. If the naked spermatocysts were cultivated with intact or ruptured testis, they developed into elongated spermatocysts. Naked spermatocysts obtained alone from the same insect did not undergo spermiogenesis in vitro, but naked spermatocysts could develop into an elongated form in the medium in which the testis were pre-cultured for 5 days. The testis may act in the development of spermatocysts in vitro.

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Accession: 005586081

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