Monitoring of Variability in Wheat Rust Pathogens by International Trap Nurseries

Protection of wheat from rust diseases caused by Puccinia spp. has very special significance for Georgia. The resistance to wheat stem, leaf and yellow rusts of 415 wheat cultivars and advanced breeding lines, consisted in 7 IYRTN and 8IYRTN, 8 ISRTN and 9 ISRTN, and 5 ILRTN as well, were studied under natural infection in 2013-2014 years in different geographic zones of Georgia and important resistance sources including the cultivars with different Sr, Yr and Lrresistance genes have been revealed.