Holb, I. J., Fazekas, M., Abonyi, F., Lakatos, P., Thurzó, S., Nyéki, J., Szabó, Z., Kruppa, J., & Balla, B. (2009). Effect of reduced spray programmes on incidences of apple scab, powdery mildew and codling moth damage in environmentally freindly apple production systems. International Journal of Horticultural Science, 15(4), 75-78. https://doi.org/10.31421/IJHS/15/4/846