Published in Scientific Papers. Series B, Horticulture, Vol. LXVIV, Issue 2
Written by Iuliana Elena GOLACHE, Iulia MINEAȚĂ, Ionel PERJU, Ionuț Vasile UNGUREANU, Monica HEREA, Mihai TĂLMACIU
Boxwood species, valued for their ecological adaptability, face growing threats from pests, notably the boxwood leafminer (Monarthropalpus buxi Laboulbène), which has severely impacted landscapes and nurseries in recent years. The aim of this study was to monitoring the evolution and ecology of Monarthropalpus buxi according to the local biotope and testing two insecticides in order to control the pest in North-Eastern part of Romania. The life cycle of boxwood leafminer was described in relation to GDD. The appearance of the first adults in 2022 was recorded at an accumulation of 196.2 GDD on 09th May, and the appearance of adults began at an accumulation of 191.7 GDD on 02nd May in 2023. The maximum flight curve was recorded at accumulations between 262.7 GDD (2022), respectively 246.3 GDD (2023). Last appearance of adults was observed on 28th May (2022) and 25 Mayth (2023). The larval stages in 2022 developed at accumulations between 675.7 - 1298.3 GDD and in the following year the larvae developed between 670.4 - 1317.1 GDD. Statistical methods were used to interpret the obtained results.
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