Leaf Infection and Yield Loss Caused by Four Helminthosporium Leaf Diseases of Corn
- 1 January 1976
- journal article
- research article
- Published by Scientific Societies in Phytopathology®
- Vol. 66 (8) , 942-944
- https://doi.org/10.1094/phyto-66-942
Abstract
Disease reactions and effects on yield caused by Helminthosporium [carbonum] leaf spot (HLS), northern corn leaf blight (NCLB) [H. turcicum], southern corn leaf blight (SCLB-T) [H. maydis race T) and (SCLB-O) [H. maydis race O] on 20 corn [Zea mays] hybrids were determined in the field. Overall yields were reduced least by HLS and most by SCLB-T. Mean equivalent yield had a significant negative correlation with percentage leaf area blighted by NCLB, SCLB-T and SCLB-O, but not by HLS.Keywords
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