Published in Scientific Papers. Series B, Horticulture, Vol. LXIII, Issue 2
Written by Lucian CHIȚULESCU, Mali Sanda MANOLE, Elena DELIAN, Stelica CRISTEA
Monilinia fructigena (Aderh. & Ruhl.) Honey, the pathogenic agent of the apple rot, is common in apple orchards every year, causing important harvest losses that could continue in storage. In vitro studies have been carried on the impact of temperature, light and culture medium on the development of Monilinia fructigena fungus, isolated from apple fruits from 'Topaz’, 'Florina’, 'Goldrush’, 'Idared’ and 'Generos’. The minimum pathogen development threshold was +4°C and the optimal range was between 24-28°C. At higher 36°C temperatures, development has significantly decreased. The pathogenic agent developed well in light and continuous darkness (24 h). Fungal isolates preferred oat and potatodextrose-agar culture media to form well-developed colonies.
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