Hostname: page-component-76fb5796d-x4r87 Total loading time: 0 Render date: 2024-04-25T07:30:41.745Z Has data issue: false hasContentIssue false

Dosage–mortality responses of the rice weevil, Sitophilus oryzae (L.), to an insect growth regulator, R-20458: Effects of R-20458 on F2 progeny production

Published online by Cambridge University Press:  19 September 2011

Jane N. Mkhize
Affiliation:
University of Transkei, Private Bag X5092, Umtata, Transkei, South Africa
Get access

Abstract

Dosage–mortality responses of F1 progeny of treated rice weevils, Sitophilus oryzae, indicated that the weevil is highly tolerant to R-20458. However, the ability of the insect growth regulator (IGR) to suppress F2 progeny production, demonstrated that R-20458 could be used as a protectant for grains.

Résumé

Les résponses posoloque-mortuaire de la progéniture F1 des charançons du riz traîtés, Sitophilus oryzae, ont indique que charançon est très tolérant pour R-02458. Toutefois, la capacité du régulateur de la grosseur d'um insecta (IGR) pour supprimer la production de la progéniture F2, a démonstré que R-20458 pour ait être utilisé pour protéger des grains.

Type
Research Articles
Copyright
Copyright © ICIPE 1986

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Amos, T. G. and Williams, P. (1977) Insect growth regulators: some effects of methoprene and hydroprene on the reproduction of several stored grain insects. Aust. J. Zool. 25, 201206.CrossRefGoogle Scholar
Anonymous (1971) Stauffer Chemical Company, Mountain View, California.Google Scholar
Bransby-Williams, W. R. (1972) Some effects of juvenile hormone analogue R-20458 on Culex pipiens fatigans mosquitoes. E. African med. J. 4, 509512.Google Scholar
Busvine, J. R. (1971) A Critical Review of the Techniques for Testing Insecticides, 2nd edn.Commonwealth Agricultural Bureaux, Slough, England.Google Scholar
Das, Y. T. and Gupta, A. P. (1976) Non-repellency of two insect growth regulators with juvenile hormone activity to Blattella germanica. Ent. exp. Appl. 20, 195198.CrossRefGoogle Scholar
Das, Y. T. and Gupta, A. P. (1977) Abnormalities in the development and reproduction of Blattella germanica (L.) (Dictyoptera: Blattellidae) treated with insect growth regulators with juvenile hormone activity. Experientia 33, 968970.CrossRefGoogle Scholar
Finney, D. J. (1964) Probit Analysis, 2nd edn.Cambridge Univ. Press.Google Scholar
Gupta, A. P. and Mkhize, J. N. (1983) Developmental and morphogenetic effects of two insect growth regulators (Hydroprene and R-20458) on the female rice weevil, Sitophilus oryzae (Coleoptera: Curculionidae). Appl. ent. Zool. 18, 1121.CrossRefGoogle Scholar
Hoppe, T., Isler, H. and Vogel, W. (1974) Biological activity of juvenile hormone analogues against larvae of Culex pipiens pipiens tested in small-scale field trials. Mosquito News 34, 393396.Google Scholar
Kramer, K. T. and McGregor, H. F. (1978) Activity of pyridyl and phenyl ether analogues of juvenile hormone against Coleoptera in stored grains. J. econ. Ent. 71, 1032–134.CrossRefGoogle Scholar
Loschiavo, S. R. (1976) Effects of synthetic insect growth regulators methoprene and hydroprene on survival, development or reproduction of six species of stored products insects. J. econ. Ent. 69, 395399.CrossRefGoogle Scholar
Matsumura, F. (1975) Toxicology of Insecticides. Plenum Press, New York.CrossRefGoogle Scholar
Mkhize, J. N. and Gupta, A. P. (1980) Comparative effects of some insect growth regulators on development, morphogenesis and reproduction of the female rice weevil, Sitophilus oryzae (L.) (Coleoptera: Curculionidae). J.N.Y. ent. Soc. 88, 6263.Google Scholar
Slama, K., Romanuk, M. and Sorm, F. (1974) Insect Hormones and Bioanalogues. Springer, Berlin.CrossRefGoogle Scholar
Staal, G. B. (1975) Insect growth regulators with juvenile hormone activity. A. Rev. Ent. 20, 417460.CrossRefGoogle ScholarPubMed
Strong, R. G. and Diekman, J. (1973) Comparative effectiveness of fifteen insect growth regulators against several pests of stored products. J. econ. Ent. 66, 11671173.CrossRefGoogle Scholar
Zurfleuh, R. C. (1976) Phenylethers as insect growth regulators: laboratory and field experiments. In Juvenile Hormones (Edited by Gilbert, L. L.), pp. 6174. Plenum Press, New York.CrossRefGoogle Scholar