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1. A Damage Function for Stem Rust of Perennial Ryegrass Seed Crops

Description:: Includes references
Author:: Pfender, W. , azoxystrobin
Subject:: Lolium perenne , turf grasses , rust diseases , seed crop production , seed productivity , disease control , disease severity , estimation , phenology , disease course , Puccinia graminis , equations , models , correlation , regression analysis , pesticide application , fungicides , propiconazole , canopy , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009