Table 4. Adult rust reactions of entries in the 1973 Uniform Regional Hard Red Spring Wheat Nursery (USDA, ARS, North Dakota). Seeded May 23 in the Fargo Rust Nursery Percent severity and reaction 1 ------------------------------- Entry Leaf rust 2 Stem rust 3 ----------------------------------------------------------------- MARQUIS 20S 30MS-20S JUSTIN 50S 0 SELKIRK 50S 0,tMS CHRIS 5MS 0,10S WALDRON 5R-tMS t-20MR*,30MS,0 ND491 tR 5-15MR*,15MS ND507 5R,5S-5R tR,30MR ND510 1OR 10R-lOMR ND518 5R-tMS 10-40RMR ND519 5R-tMS 0,10R ND520 5MS-tR 0 H681-4-5 5MS t-5S,O ERA 1OR-5MS 0 II-64-27 5R 0 II-64-33 5R-tMS 0 ND508 tR 0 ND521 5R 0 ND522 5R-5MS 15MRR ND525 tS-tR 0 H678-1-6-9 5R-tS 0 MT7150 50S 50S MT7028 70S ts 1 Comma = Separation of plants into 2 or more reaction classes (Segregation or seed mixture). Dash = Range in reaction on each plant. Range in severity between plants but some reaction class. 2 = Natural inoculum. Readings were made on the flag leaf and flag leaf minus 1 at soft to mid dough stage. 3 = Natural inoculum in addition to inoculations of race 15B. Readings at soft dough to ripe stage. * = Rust on peduncle.