Ornamental plants : annual reports and research reviews 2002 / edited by James A. Chatfield...[et al]. Wooster, Ohio : Ohio Agricultural Research & Development Center, 2003 . Special circular / Ohio Agricultural Research and Development Center ; 189, 5 p.
NALT Subjects:
ornamental trees disease control scab diseases Malus sprayers spraying pesticide application fungicides spray coverage nursery stock leaves meteorological parameters research projects Agricultural Research Service Ohio
