Effect of Juvenile Hormone Analogues on the Reproduction and Longevity of Mustard Aphid, Lipaphis Erysimi (Kalt.)

  • Gursharan Singh
  • H. S. Sidhu
Research Article


Effects of topical application of two juvenile hormone analogues (JHAs), R-20458 (6, 7-epoxy-1(p-ethylphenoxy)-3, 7-dimethyl-2-octene) and ZR-512 (ethyl 3, 7, 11-trimetnyl-2, 4-dodecadienoate) on reproduction and longevity of mustard aphid, Lipaphis erysimi (Kalt.) were investigated. Doses of the JHAs as high as 2 μg per aphid failed to reduce the fecundity of the aphid though initial reduction in the daily reproduction was observed. Also, the doses which induced morphogenetic abnormalities at the third-instar, could not affect embryogenesis.

Key Words

luvenile hormone analogues (JHAs) reproduction nymphal-adult intermediates mustard aphid 


Les effets de l’application journalière de deux hormones analogues à JH, R-20458 (6, 7-epoxy-1 (p-ethylphenoxy)-3, 7-dimethyl-2-octene) et ZR-512 (ethyl 3, 7, 11-trimethyl-2, 7-dodecadienate) sur la reproduction et la longevité du Lipaphis erysimi (Kalt) ont étè analyse. Les doses de deux hormones analogues à JH de 2μg par aphide n’ont pas reduit la fecondité des aphides, bien qu’ une reduction initiale journalière fut observée. Les doses provoquant des deformations morphogenetiques aux larves du 3eme stage n’ont eu aucun effet sur l’embryogenèse.

Mots Clefs

Hormones analogues à JH reproduction nymphe adultes aphides 


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Copyright information

© ICIPE-ICIPE Science Press 1990

Authors and Affiliations

  • Gursharan Singh
    • 1
  • H. S. Sidhu
    • 1
  1. 1.Department of Processing and Agricultural Structures, College of Agricultural EngineeringPunjab Agricultural UniversityLudhianaIndia

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