RAZŠIRJENOST PLENILSKE PRŠICE Zetzellia mali Eving (fam. Stigmaeidae) V NASADIH JABLAN V SEVEROVZHODNI SLOVENIJI

 
  Jože Miklavc, Marjeta Miklavc

Kmetijsko gozdarski zavod Maribor, Oddelek za kmetijsko svetovanje, SI-2000 Maribor, Slovenija

V obdobju med letom 1998 in letom 2000 smo pregledali nasade jablan v severovzhodni Sloveniji glede plenilske pršice vrste Zetzellia mali (Erwing) (Acari: Stigmaeidae).

Zastopanost te pršice iz posameznega nasada jablan smo ugotavljali s pregledom  vzorca 100 listov pod stereolečo. Pregled zastopanosti te plenilske vrste smo opravljali prek vse rastne dobe od začetka meseca aprila do sredine meseca novembra.

Pregledali smo 40 intenzivno pridelovanih nasadov jablan, ki delujejo po pravilih integrirane pridelave jablan, ter 25 ekstenzivnih - neškropljenih nasadov jablan. To pršico smo ugotovili v 15 intenzivno pridelovanih nasadih jablan ter v 14 ekstenzivnih nasadih jablan. 

V prispevku so prikazane morfološke značilnosti plenilske pršice in opis.

ABSTRACT

THE EXTENT OF SPREADING OF Zetzellia mali Eving (fam. Stigmaeidae) IN APPLE ORCHARDS OF NORTHEASTERN SLOVENIA

During the period between 1998 and 2000 we checked the apple orchards in north east part of Slovenia on presence of predatory mite Zetzellia mali (Erwing) (Acari: Stigmaeidae). The presence of this mite from particular orchard we controlled under stereo microscope. Sample size were 100 leaves. We controlled the orchard on presence of predatory mite Zetzellia mali (Erwing) over whole growth period of apple trees.

We examined 40 intensively produce apple orchards which were under integrated pest control and 25 extensive - non sprayed apple orchards.  We found particular predatory mite in 15  intensively produce apple orchards and in 14 extensive - non sprayed apple orchards.

The paper presents morphological characteristics and the description of the predatory mite.