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Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea)
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| Zeitschriftentitel: | Plant Disease |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Plant Disease, 88, 2004, 8, S. 858-864 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Scientific Societies
|
| Schlagwörter: |
| author_facet |
Monfort, W. S. Culbreath, A. K. Stevenson, K. L. Brenneman, T. B. Gorbet, D. W. Phatak, S. C. Monfort, W. S. Culbreath, A. K. Stevenson, K. L. Brenneman, T. B. Gorbet, D. W. Phatak, S. C. |
|---|---|
| author |
Monfort, W. S. Culbreath, A. K. Stevenson, K. L. Brenneman, T. B. Gorbet, D. W. Phatak, S. C. |
| spellingShingle |
Monfort, W. S. Culbreath, A. K. Stevenson, K. L. Brenneman, T. B. Gorbet, D. W. Phatak, S. C. Plant Disease Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) Plant Science Agronomy and Crop Science |
| author_sort |
monfort, w. s. |
| spelling |
Monfort, W. S. Culbreath, A. K. Stevenson, K. L. Brenneman, T. B. Gorbet, D. W. Phatak, S. C. 0191-2917 1943-7692 Scientific Societies Plant Science Agronomy and Crop Science http://dx.doi.org/10.1094/pdis.2004.88.8.858 <jats:p> Field experiments were conducted in 2000 and 2001 on Georgia Green, Florida MDR-98, and C-99R peanut (Arachis hypogaea) cultivars in Tifton, GA, to determine the effects of tillage practices on early leaf spot (Cercospora arachidicola) epidemics under standard fungicide regimes and fungicide regimes with fewer applications. Leaf spot epidemics were suppressed in reduced tillage (strip-till) plots compared with conventional tillage plots and were suppressed in MDR-98 and C-99R cultivars compared with the standard runner-type cultivar, Georgia Green. Within tillage and cultivar combinations, leaf spot intensity typically was lower in plots treated with fungicides at standard intervals (seven total applications) than in those treated at extended intervals (four total applications). However, in most cases, leaf spot control in extended interval treatments in the strip-till system was comparable to that in the standard interval treatments in conventional tillage. Based on these results, the number of fungicide applications could be reduced without compromising control of leaf spot when reduced tillage is used, especially if combined with moderately resistant cultivars. Suppression of leaf spot epidemics in the strip-till plots did not coincide with higher yields in either year. In 2001, yields were lower in strip-till plots than in conventional tillage plots. Yields were typically higher in the cultivar C-99R than in Georgia Green, regardless of the tillage treatment. </jats:p> Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (<i>Arachis hypogaea</i>) Plant Disease |
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10.1094/pdis.2004.88.8.858 |
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Scientific Societies, 2004 |
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Scientific Societies, 2004 |
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0191-2917 1943-7692 |
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49 |
| title |
Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_unstemmed |
Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_full |
Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_fullStr |
Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_full_unstemmed |
Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_short |
Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_sort |
effects of reduced tillage, resistant cultivars, and reduced fungicide inputs on progress of early leaf spot of peanut (<i>arachis hypogaea</i>) |
| topic |
Plant Science Agronomy and Crop Science |
| url |
http://dx.doi.org/10.1094/pdis.2004.88.8.858 |
| publishDate |
2004 |
| physical |
858-864 |
| description |
<jats:p> Field experiments were conducted in 2000 and 2001 on Georgia Green, Florida MDR-98, and C-99R peanut (Arachis hypogaea) cultivars in Tifton, GA, to determine the effects of tillage practices on early leaf spot (Cercospora arachidicola) epidemics under standard fungicide regimes and fungicide regimes with fewer applications. Leaf spot epidemics were suppressed in reduced tillage (strip-till) plots compared with conventional tillage plots and were suppressed in MDR-98 and C-99R cultivars compared with the standard runner-type cultivar, Georgia Green. Within tillage and cultivar combinations, leaf spot intensity typically was lower in plots treated with fungicides at standard intervals (seven total applications) than in those treated at extended intervals (four total applications). However, in most cases, leaf spot control in extended interval treatments in the strip-till system was comparable to that in the standard interval treatments in conventional tillage. Based on these results, the number of fungicide applications could be reduced without compromising control of leaf spot when reduced tillage is used, especially if combined with moderately resistant cultivars. Suppression of leaf spot epidemics in the strip-till plots did not coincide with higher yields in either year. In 2001, yields were lower in strip-till plots than in conventional tillage plots. Yields were typically higher in the cultivar C-99R than in Georgia Green, regardless of the tillage treatment. </jats:p> |
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| author | Monfort, W. S., Culbreath, A. K., Stevenson, K. L., Brenneman, T. B., Gorbet, D. W., Phatak, S. C. |
| author_facet | Monfort, W. S., Culbreath, A. K., Stevenson, K. L., Brenneman, T. B., Gorbet, D. W., Phatak, S. C., Monfort, W. S., Culbreath, A. K., Stevenson, K. L., Brenneman, T. B., Gorbet, D. W., Phatak, S. C. |
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| description | <jats:p> Field experiments were conducted in 2000 and 2001 on Georgia Green, Florida MDR-98, and C-99R peanut (Arachis hypogaea) cultivars in Tifton, GA, to determine the effects of tillage practices on early leaf spot (Cercospora arachidicola) epidemics under standard fungicide regimes and fungicide regimes with fewer applications. Leaf spot epidemics were suppressed in reduced tillage (strip-till) plots compared with conventional tillage plots and were suppressed in MDR-98 and C-99R cultivars compared with the standard runner-type cultivar, Georgia Green. Within tillage and cultivar combinations, leaf spot intensity typically was lower in plots treated with fungicides at standard intervals (seven total applications) than in those treated at extended intervals (four total applications). However, in most cases, leaf spot control in extended interval treatments in the strip-till system was comparable to that in the standard interval treatments in conventional tillage. Based on these results, the number of fungicide applications could be reduced without compromising control of leaf spot when reduced tillage is used, especially if combined with moderately resistant cultivars. Suppression of leaf spot epidemics in the strip-till plots did not coincide with higher yields in either year. In 2001, yields were lower in strip-till plots than in conventional tillage plots. Yields were typically higher in the cultivar C-99R than in Georgia Green, regardless of the tillage treatment. </jats:p> |
| doi_str_mv | 10.1094/pdis.2004.88.8.858 |
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| institution | DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Rs1, DE-Pl11, DE-105, DE-14, DE-Ch1 |
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| spelling | Monfort, W. S. Culbreath, A. K. Stevenson, K. L. Brenneman, T. B. Gorbet, D. W. Phatak, S. C. 0191-2917 1943-7692 Scientific Societies Plant Science Agronomy and Crop Science http://dx.doi.org/10.1094/pdis.2004.88.8.858 <jats:p> Field experiments were conducted in 2000 and 2001 on Georgia Green, Florida MDR-98, and C-99R peanut (Arachis hypogaea) cultivars in Tifton, GA, to determine the effects of tillage practices on early leaf spot (Cercospora arachidicola) epidemics under standard fungicide regimes and fungicide regimes with fewer applications. Leaf spot epidemics were suppressed in reduced tillage (strip-till) plots compared with conventional tillage plots and were suppressed in MDR-98 and C-99R cultivars compared with the standard runner-type cultivar, Georgia Green. Within tillage and cultivar combinations, leaf spot intensity typically was lower in plots treated with fungicides at standard intervals (seven total applications) than in those treated at extended intervals (four total applications). However, in most cases, leaf spot control in extended interval treatments in the strip-till system was comparable to that in the standard interval treatments in conventional tillage. Based on these results, the number of fungicide applications could be reduced without compromising control of leaf spot when reduced tillage is used, especially if combined with moderately resistant cultivars. Suppression of leaf spot epidemics in the strip-till plots did not coincide with higher yields in either year. In 2001, yields were lower in strip-till plots than in conventional tillage plots. Yields were typically higher in the cultivar C-99R than in Georgia Green, regardless of the tillage treatment. </jats:p> Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (<i>Arachis hypogaea</i>) Plant Disease |
| spellingShingle | Monfort, W. S., Culbreath, A. K., Stevenson, K. L., Brenneman, T. B., Gorbet, D. W., Phatak, S. C., Plant Disease, Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea), Plant Science, Agronomy and Crop Science |
| title | Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_full | Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_fullStr | Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_full_unstemmed | Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_short | Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| title_sort | effects of reduced tillage, resistant cultivars, and reduced fungicide inputs on progress of early leaf spot of peanut (<i>arachis hypogaea</i>) |
| title_unstemmed | Effects of Reduced Tillage, Resistant Cultivars, and Reduced Fungicide Inputs on Progress of Early Leaf Spot of Peanut (Arachis hypogaea) |
| topic | Plant Science, Agronomy and Crop Science |
| url | http://dx.doi.org/10.1094/pdis.2004.88.8.858 |