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Severity of Gray Leaf Spot in Perennial Ryegrass as Influenced by Mowing Height and Nitrogen Level

D. W. Williams*,a, P. B. Burrusa and P. Vincellib

a Dep. of Agronomy, Univ. of Kentucky, Lexington, KY 40546
b Dep. of Plant Pathology, Univ. of Kentucky, Lexington, KY 40546



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Fig. 1. Effect of mowing heights on the severity of gray leaf spot in perennial ryegrass in 1998. Bars labeled with the same letter within observation dates were not significantly different (P >= 0.05).

 


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Fig. 2. Effect of N levels on the severity of gray leaf spot in perennial ryegrass in 1998. Bars labeled with the same letter within observation dates were not significantly different (P >= 0.05).

 


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Fig. 3. Effects of N levels and mowing heights on the severity of gray leaf spot in perennial ryegrass in 1999. Bars labeled with the same letter within both treatment and observation dates were not significantly different (P >= 0.05).

 





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