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Adult Bemisia tabaci biotype B can induce silverleafing in squash

Published online by Cambridge University Press:  24 July 2007

P. De Barro  and
S. Khan
P. De Barro*
Affiliation:
CSIRO Entomology, 120 Meiers Road, Indooroopilly, Queensland, 4068, Australia
S. Khan
Affiliation:
CSIRO Entomology, 120 Meiers Road, Indooroopilly, Queensland, 4068, Australia
*
Author for correspondence *Fax: +61 7 3214 2885 E-mail: Paul.DeBarro@csiro.au
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Abstract

Bemisia tabaci biotype B is one of three genetic groups able to induce silverleafing in squash. Several earlier studies had observed that this physiological change was induced only through the feeding of juvenile whiteflies. This study uses adult males only to show that after 11 days the adult males were able to begin to induce silverleafing. Further, the response was density dependant with 120 adults inducing the first signs of silverleafing in 11 days, 90 adults in 13 days and 60 adults in 15 days.

Type
Short Communication
Information
Bulletin of Entomological Research , Volume 97 , Issue 4 , August 2007 , pp. 433 - 436
Copyright
Copyright © Cambridge University Press 2007

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