9Cox T S, Lookhart G L, Walker D E, et al. Genetic relationship a- mong hard red winter wheat cultivars as evaluated by pedigree a- nalysis and gliadin ployacrylamide gelelectrophoretic patterns [ J ]. Crop Sci, 1985,25 : 1058-1063.
10Fetch T G Jr, Steffenson B J. Rating Scales for Assessing Infection Responses of Barley Infected with Cochliobolus sativus [ J ]. Plant Dis. 1999,83:213-217.
