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1987 Wheat Disease Survey Results Indicate Disease Potential for '88

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Title: 1987 Wheat Disease Survey Results Indicate Disease Potential for '88
Author: Stover, R.W.; Hosford, R.M., Jr.; Nelson, D.R.; McMullen, M.P.
Description: The primary economic leaf spot disease organism of wheat in North Dakota from 1966-86 was tanspot. Other leafspot fungi were present, also. These included spot blotch fungus, Helminthosporium sativum and Septoria leaf blotcch casued by Septoria avenae f sp tricea. In 1986, fungal and head diseases were widespread and severe on all wheat classes in large areas of North Dakota. Humid weather and shifts in cropping and tillage practices may have accounted for increased leaf and head diseases and a possible shift in predominant organisms in 1986. Due to the high disease levels in 1986 and the overwintering capability of many fungi, it was perceived that here would be a high potential for serious disease damage in 1987. A wheat disease survey was undertaken in 1987 to access the presence, distribution, incidence and severity of the diseases caused by leaf and head organisms. The discussion of this survey resulted in the belief that the potential for crops in 1988 to be high based upon the survivability of these fungi and their and their abundance in 1987.
Date: 1987
Permalink: http://hdl.handle.net/10365/6159

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