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Rubidium marking of the rice pests Nilaparvata lugens (Stål) and Sogatella furcifera (Horváth) (Hemiptera: Delphacidae) for field dispersal studies

Published online by Cambridge University Press:  10 July 2009

D. E. Padgham ,
A. G. Cook  and
D. Hutchison
D. E. Padgham
Affiliation:
Tropical Development and Research Institute, College House, Wrights Lane, London W8 5SJ, UK
A. G. Cook
Affiliation:
Tropical Development and Research Institute, College House, Wrights Lane, London W8 5SJ, UK
D. Hutchison
Affiliation:
Institute of Geological Sciences, Geochemistry and Petrology Division, 64 Gray's Inn Road, London WC1X 8NG, UK
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Abstract

The method and evaluation of a field application of rubidium chloride for the purpose of a mark-and-recapture experiment are described. In the Philippines, populations of the rice pests Nilaparvata lugens (Stål) and Sogatella furcifera (Horv.) were successfully marked by a foliar spray of rubidium chloride plus surfactant applied to a rice field at 1·03 g/hill. Individual insects marked with rubidium, which were easily distinguishable from unmarked individuals for at least seven weeks, were generated at this dose level, and even after one year elevated rubidium levels could be detected in pooled samples. Other phytophagous and entomophagous insects also became marked.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 74 , Issue 3 , September 1984 , pp. 379 - 385
Copyright
Copyright © Cambridge University Press 1984

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