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| Web URL(s): | http://www.apsnet.org/publications/plantdisease/backissues/Documents/1991Articles/PlantDisease75n10_1004.PDF
Last checked: 08/25/2010
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Welty, Ronald E. |
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| Author Affiliation: | Research Plant Pathologist, Agriculture Research Service, United States Department of Agriculture, National Forage Seed Production Research Center, Oregon State University, Corvallis, Oregon |
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| Title: | Effect of fungicides applied singly and in combination on seed yield and three leaf spot diseases in orchardgrass |
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| Source: | Plant Disease. Vol. 75, No. 10, October 1991, p. 1004-1008. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| Keywords: | TIC Keywords: Fungicides; Seed Yield; Fungicide application; Diseases; Dactylis glomerata
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| Abstract/Contents: | Leaf diseases caused by Mastigosporium rubicosum (cause of eyespot), Rhynochosporium orthosporum (cause of scald), and Cercosporidium graminis (cause of leaf streak) were identified on orchardgrass (Dactylis glomerata) grown for seed. Fungicides (captafol, chlorothalonil, and propiconazole) were applied up to three times per year to plants in different stages of growth for 5 yr (1984-1988). Leaf area damaged by diseases (primarily scald) ranged from moderate to severe depending on the yearly variation in precipitaiton. In wet years, seed yields were significantly larger (P=0.05) in plots treated with chlorothalonil than nontreated controls. Scores for leaf area damaged by disease in plots treated with chlorothalonil (when significantly different from controls) were inversely related to seed yield. |
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| Language: | English |
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| References: | 20 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Welty, R. E. 1991. Effect of fungicides applied singly and in combination on seed yield and three leaf spot diseases in orchardgrass. Plant Dis. 75(10):p. 1004-1008. |
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| Web URL(s):
http://www.apsnet.org/publications/plantdisease/backissues/Documents/1991Articles/PlantDisease75n10_1004.PDF
Last checked: 08/25/2010
Requires: PDF Reader |
| 
MSU catalog number: SB 599 .P95 |
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