TY - JOUR L1 - http://journals.pan.pl/Content/88358/PDF/JPPR_51(2)_07_Sakr.pdf L2 - http://journals.pan.pl/Content/88358 PY - 2011 IS - No 2 DO - 10.2478/v10045-011-0024-x A1 - Sakr, Nachaat A1 - de Labrouhe, Denis A1 - Walser, Pascal A1 - Ducher, Mireille A1 - Francois Delmotte A1 - Tourvieille, Jeanne A1 - Felicity Vear PB - Committee of Plant Protection PAS PB - Institute of Plant Protection – National Research Institute VL - vol. 51 DA - 2011 T1 - Analyzing the Influence of Qualitative Resistance Selection Pressure on Variation of Aggressiveness in Plasmopara Halstedii UR - http://journals.pan.pl/dlibra/publication/edition/88358 T2 - Journal of Plant Protection Research ER -