Figure 6. Dual cultures of ThF1-2/P. lycopersici, P. lycopersici/P. lycopersici (control), Th291/P. lycopersici and Th11/P. lycopersici on PDA. ThF1-2 was selected from the protoplast fusion series (Th291 x Th11). Plates were incubated at 23ºC for seven days.