Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (2002) 75, 132-136

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A. Pozzebon, C. Duso and E. Pavanetto (2002)
Side effects of some fungicides on phytoseiid mites (Acari, Phytoseiidae) in north-Italian vineyards
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz 75 (5), 132-136
Abstract: The effects of fungicides containing mancozeb or copper oxychloride, as principal active ingredients, on phytoseiid mites were investigated in a vineyard comprising four varieties (Prosecco, Cabernet Franc, Pinot gris and Merlot) and located in north-eastern Italy. Phytoseiid colonisation was different among the four varieties: Amblyseius andersoni and Kampimodromus aberrans were dominant on Pinot gris and Merlot, respectively, while Typhlodromus pyri was more common than the above species on Prosecco and Cabernet Franc. Applications of mancozeb fungicides significantly affected K. aberrans populations. Concerning T. pyri, a significant effect was observed on Cabernet but not on Prosecco. The effects of mancozeb fungicides on A. andersoni were less clear. The response of phytoseiids to fungicides containing mancozeb appeared to be mediated by the variety. Therefore, the choice of one or two varieties as a standard reference for field tests is recommended. These results also suggest that the side effects of fungicides on predatory mites should be studied on different phytoseiid species and, possibly, on susceptible and resistant strains in order to gain useful insights.
(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): Alberto Pozzebon, Carlo Duso

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

Pest and/or beneficial records:

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


Typhlodromus pyri (predator) Italy
Amblyseius andersoni (predator) Italy
Kampimodromus aberrans (predator) Italy
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