Identification of resistance of peas resources to powdery mildew

In order to make full use of disease-resistant peas germplasm resources,the resistance of 535 peas resources at home and abroad to powdery mildew were tested in field from 2009 to 2011.The result showed that one variety had high resistant,accounting for 0.19% of the total test varieties;two varieties had resistance,accounting for 0.37% of the total test varieties;17 varieties had middle resistance,accounting for 3.18%;60 varieties had middle susceptible,accounting for 11.12%;434 varieties had susceptible,accounting for 81.12%;21 varieties had high susceptible,accounting for 3.93%.The resistance of peas was tested indoor based on 20 varieties selected with resistance in field and the varieties had stable resistance except 4 middle resistance varieties.