Commonly used ornamental tree Aesculus hippocastanum has been successfully used for planting for a long time in Lithuania. Data of the state of A. hippocastanum were assessed in 55 cities and settlements of the country during 1992–2009. The changing state of A. hippocastanum was recorded to begin to deteriorate in 1995–1997 when the species was affected by fungi diseases caused by Guignardia aesculi, Erysiphe flexuos and Schizophyllum commune. Horse-chestnut leafminer Cameraria ohridella has been the most harmful pest over all territory of Lithuania since 2005–2007. Effectiveness of natural predators and different means for C. ohridella control as well as for spread of fungal diseases were analyzed and discussed.

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2011 - Vol.57
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