V. Ivanova*, S. Doneva, Z. Petrova Dobroudzha Agricultural Institute, 9520 General Toshevo, Bulgaria Abstract. During 2009 – 2011 at Dobroudzha Agricultural Institute, General Toshevo, Bulgaria the response of 365 new common winter wheat lines to the cause agents of brown rust (Puccin

N. Nenova, E. Penchev, M. Drumeva Abstract. They are studied different indices connected with the oil and protein contain in the seeds of sunflower lines and their hybrids. The lines are selected by combined using of between species hybridisation and the method of embryo cultivation.