Disease-resistant apple cultivars developed from the apple breeding program at the University of Illinois Korban, S. S. creator O'Connor, P. A. contributor text book [Urbana, Ill.] Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign [1990] 1990
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ENG Title from caption. Apples Diseases and pests Varieties Bulletin (University of Illinois at Urbana-Champaign. Agricultural Experiment Station), 790 https://www.biodiversitylibrary.org/bibliography/45684 22449735 10.5962/bhl.title.45684 IAI