Identification on disease resistance of Qinghai spring wheat varieties(lines)to wheat scab

The disease resistance of 72 varieties(or lines)of wheat to wheat scab in Qinghai existing agricultural production has been identified by field plot experiment at present for two years. The results showed that there was no one immune variety among 72 wheat varieties (or lines). Sumai 3 and Huzhuhong 2 were only indicative of highly disease-resistant, whereas Haidong539 and Qingchun7 and 23 were middle disease resistant, the rest 67 varieties (or lines) all represented middle degree or high degree susceptibility to wheat scab.