Observations on population dynamics of leafhoppersin Western Sicily vineyards

Risultato della ricerca: Other

Abstract

From 2007 to 2009 field observations were carried out in two vineyards (organically andconventionally managed) in Menfi (Agrigento province, Sicily). Population dynamics of twoleafhoppers, Jacobiasca lybica (cotton leafhopper) and Zygina rhamni were followed by chromotropictraps and leaf observation in field. Both species were constantly present in vineyards. Z. rhamni didnot register statistical differences between the two fields, while J. lybica was mostly present in theconventionally managed field. In this last vineyard for two consecutive years (2007 and 2008)J. lybica population exceeded the intervention threshold of 0.5 leafhopper/leaf. On the other hand, inthe organically managed vineyard the cotton leafhopper population remained below the interventionthreshold for all the observation period.
Lingua originaleEnglish
Pagine197-202
Numero di pagine6
Stato di pubblicazionePublished - 2013

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