Co-Authors:
Adar, E., Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel, Department of Entomology, Newe-Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay, Israel
Inbar, M., Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel
Gal, S., Department of Entomology, Newe-Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay, Israel
Gan-Mor, S., The Institute of Agricultural Engineering, Agricultural Research Organization (ARO), Bet Dagan, Israel
Palevsky, E., Department of Entomology, Newe-Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay, Israel
Abstract:
The establishment of predatory mites on protected crops is affected by the availability of shelter and alternative food. We suggest that a pollen covered twine, coined here "pollen on-twine", may provide these necessities when attached to the plant. We evaluated the effect of twine types and two pollen species on the establishment of Euseius scutalis (Athias-Henriot) and Amblyseius swirskii Athias-Henriot on pre-flowering pepper plants in a growth chamber. For both phytoseiids, rayon jute twine was found more beneficial while corn and oak pollen did not differ in their effect. Though populations of both predators were best promoted when twine and pollen were applied separately, E. scutalis population increased by more than tenfold and A. swirskii doubled when plants were applied with pollen on-twine. We propose that after further refining, pollen on-twine can serve as a feasible solution for predatory mite establishment on protected crops. © 2014 International Organization for Biological Control (IOBC).
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