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Feeding responses of the brown planthopper, Nilaparvata lugens (Stål) (Hemiptera: Delphacidae), to resistant and susceptible host-plants

Published online by Cambridge University Press:  10 July 2009

D. E. Padgham
Affiliation:
Overseas Development Natural Resources Institute, Central Avenue, Chatham Maritime, Chatham, Kent, MEA4 4TB, UK
S. Woodhead
Affiliation:
Overseas Development Natural Resources Institute, Central Avenue, Chatham Maritime, Chatham, Kent, MEA4 4TB, UK
H. R. Rapusas
Affiliation:
International Rice Research Institute, P.O. Box 933, Manila, Philippines

Abstract

The feeding responses, growth and population development of Nilaparvata lugens (Stål) are quantified on a range of twelve susceptible or resistant host-plants. Paris of rice varieties carrying the Bph1, bph2 and Bph3 resistance genes are compared as hosts for N. lugens, and it is concluded that such notations do not adequately describe the diversity of plant resistance mechanisms. Evidence is presented for resistance mechanisms involving enhanced insect activity and gustatory responses to unacceptable phloem.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1989

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