PREBLOOM PETROLEUM OIL APPLICATIONS FOR DELAYING PEAR PSYLLA (HOMOPTERA: PSYLLIDAE) OVIPOSITION
- 1 March 1978
- journal article
- research article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 110 (3) , 225-236
- https://doi.org/10.4039/ent110225-3
Abstract
Application of petroleum oils prior to oviposition by overwintering pear psylla, Psylla pyricola Foerster, reduced oviposition by 98% for up to 5 weeks. The delay of oviposition and reduction in subsequent egg and nymph densities were inversely proportional to the rate of oil used. The reduced oviposition rate was due primarily to inhibition of oviposition by oil deposits on the host, not adult mortality. No commercially important deleterious effects of oil treatments were detected on several pear varieties.This publication has 4 references indexed in Scilit:
- An Area Control Program for the Pear Psylla1Journal of Economic Entomology, 1968
- The Susceptibility of Life History Stages of the Pear Psylla to Oil Treatment1Journal of Economic Entomology, 1965
- Dormant Sprays for the Control of the Pear Psylla, Psylla pyricola, in British ColumbiaJournal of Economic Entomology, 1961
- Pear Psylla Control with Dormant SpraysJournal of Economic Entomology, 1948