, Volume 37, Issue 1, pp 32–33 | Cite as

Morphogenetic effect of precocene I and II onSchistocerca gregaria (Forsk)

  • R. Chênevert
  • J. M. Perron
  • R. Paquin
  • R. Plante


4th instar nymphs ofSchistocerca gregaria exposed to precocene I and II by topical application metamorphosed precociously. The ED50 of both compounds were evaluated and, unexpectedly, precocene I was found to be more active than precocene II. All adultiforms were identical and in an advanced form.


Topical Application Advanced Form Morphogenetic Effect 
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Copyright information

© Birkhäuser Verlag 1981

Authors and Affiliations

  • R. Chênevert
    • 1
  • J. M. Perron
    • 1
  • R. Paquin
    • 1
  • R. Plante
    • 1
  1. 1.Départements de chimie et de biologie, Faculté des sciences et de génieUniversité LavalQuébecCanada

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