Resistance to powdery mildew in the pea cultivar Xucai 1 is conferred by the gene er1

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Powdery mildew, caused by Erysiphe pisi D.C., is a major constraint to pea production worldwide. The pea cultivar Xucai 1 has shown high resistance to E. pisi under greenhouse and field conditions. The objectives of this study were to identify and charact
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