Investigation for Resistance Traits in three Hexaploid Amphiploids (Ttitipyrum, Triticales and Wheats) to Seed Gall Nematode and Covered Smut Diseases

G.H. Shahidi Bonjar, H. Shahsevand Hassani, N. Pakgohar and B. Barkhordar

Asian Journal of Plant Sciences 3 ( 3 ): 325 - 329 , 2004