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COMPARISON OF A YELLOW FORM OF THE GREEN PEACH APHID, MYZUS PERSICAE (SULZER), AND A GREEN FORM OF THE TOBACCO APHID, MYZUS NICOTIANAE BLACKMAN, COEXISTING ON GREENHOUSE POTATO IN NEW BRUNSWICK

Published online by Cambridge University Press:  31 May 2012

Gilles Boiteau  and
D.T. Lowery
Gilles Boiteau
Affiliation:
Agriculture Canada Research Station, PO Box 20280, Fredericton, New Brunswick, Canada E3B 427
D.T. Lowery
Affiliation:
Centralia College of Agricultural Technology, Huron Park, Ontario, Canada N0M 1Y0
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Abstract

A dark green aphid was isolated from a greenhouse colony of green peach aphid, Myzus persicae (Sulzer), in Fredericton, N.B. The green aphid was shown to conform taxonomically and biologically to the recently named species Myzus nicotianae Blackman, except for its rare production of alatae. It is reported for the first time on greenhouse-grown potato where its population development is similar to that of the yellow holocyclic M. persicae from the same colony. The vector efficiency of the green and yellow aphids for potato virus Y0 is similar. The yellow aphid tends to be more susceptible to insecticides than the green aphid. Myzus nicotianae was not found in aerial aphid samples taken in New Brunswick in 1967 and 1987.

Résumé

Un puceron vert foncé a été isolé d’une colonie de puceron vert du pêcher, Myzus persicae (Sulzer), maintenue en serre à Frédéricton au N.B. Nos observations démontrent que ce puceron vert est taxonomiquement et biologiquement conforme à la nouvelle espèce Myzus nicotianae Blackman, sauf pour l’absence quasi complète d’individus ailés. Cette espèce est observée pour la première fois sur pomme de terre produite en serre où ses populations se développent de façon similaire à celles du M. persicae jaune holocyclique provenant de la même colonie. L’efficacité vectrice des pucerons verts et jaunes pour le virus Y0 de la pomme de terre est similaire. Le puceron jaune est légèrement plus sensible aux insecticides que le puceron vert. Myzus nicotianae était absent des échantillons aériens de pucerons pris au Nouveau-Brunswick en 1967 et 1987.

Type
Articles
Information
The Canadian Entomologist , Volume 121 , Issue 12 , December 1989 , pp. 1029 - 1035
Copyright
Copyright © Entomological Society of Canada 1989

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