Nematology (2017) 19, 891-898

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Nika Bajc, Urska Drzaj, Stanislav Trdan and Ziga Laznik (2017)
Compatibility of acaricides with entomopathogenic nematodes (Steinernema and Heterorhabditis)
Nematology 19 (8), 891-898
Abstract: To expand our knowledge about the compatibility of entomopathogenic nematodes (EPN) to pesticides, we studied the compatibility of EPN infective juveniles (IJ) to five acaricides under laboratory conditions. Four EPN species were used: Steinernema feltiae, S. carpocapsae, S. kraussei and Heterorhabditis bacteriophora. The results of our laboratory investigation showed that H. bacteriophora was the most tolerant EPN species and the most sensitive species was S. feltiae. Our observations showed that S. feltiae can be mixed with only two acaricides. The active substance (a.s.) fenpyroximate proved to be the most suitable for mixing with EPN. Fenpyroximate was only lethal to S. feltiae (44% mortality) at 25°C. The mortality of EPN was highest in the a.s. abamectin and pyrethrin. The mortality of EPN was influenced by species, exposure time, a.s. and temperature. The combined use of EPN and acaricides could represent an advantage in integrated plant protection programmes.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Ziga Laznik, Stanislav Trdan

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
resistance to pesticides

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Steinernema carpocapsae/Xenorhabdus nematophila (entomopathogen)
Steinernema feltiae/Xenorhabdus bovienii (entomopathogen)
Steinernema kraussei (entomopathogen)
Heterorhabditis bacteriophora/Photorhabdus (entomopathogen)