Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn
Four glyphosate resistant corn (Zea mays L.) hybrids, a glufosinate-ammonium resistant hybrid, and a conventional atrazine resistant hybrid gown at Stoneville, MS in 2005, 2006, and 2007 with furrow irrigation were treated with their respective herbicides and their growth, yield, and mycotoxin incid...
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| Format: | Article |
| Language: | English |
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Wiley
2010-01-01
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| Series: | International Journal of Agronomy |
| Online Access: | http://dx.doi.org/10.1155/2010/798127 |
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| author | H. Arnold Bruns Hamed K. Abbas |
| author_facet | H. Arnold Bruns Hamed K. Abbas |
| author_sort | H. Arnold Bruns |
| collection | DOAJ |
| description | Four glyphosate resistant corn (Zea mays L.) hybrids, a glufosinate-ammonium resistant hybrid, and a conventional atrazine resistant hybrid gown at Stoneville, MS in 2005, 2006, and 2007 with furrow irrigation were treated with their respective herbicides and their growth, yield, and mycotoxin incidence were compared with untreated cultivated plots. Leaf area index (LAI) and dry matter accumulation (DMA) were collected on a weekly basis beginning at growth stage V3 and terminating at anthesis. Crop growth rates (CRGs) and relative growth rates (RGRs) were calculated. Plots were later harvested, yield and yield component data collected, and kernel samples analyzed for aflatoxin and fumonisin. Leaf area index, DMA, CRG, and RGR were not different among the herbicide treated plots and from those that were cultivated. Curves for LAI and DMA were similar to those previously reported. Aflatoxin and fumonisin were relatively low in all plots. Herbicide application or the lack thereof had no negative impact on the incidence of kernel contamination by these two mycotoxins. Herbicides, especially glyphosate on resistant hybrids, have no negative effects on corn yields or kernel quality in corn produced in a humid subtropical environment. |
| format | Article |
| id | doaj-art-7c2e44c644ec4a8f8f1cb7c4782a90aa |
| institution | Kabale University |
| issn | 1687-8159 1687-8167 |
| language | English |
| publishDate | 2010-01-01 |
| publisher | Wiley |
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| series | International Journal of Agronomy |
| spelling | doaj-art-7c2e44c644ec4a8f8f1cb7c4782a90aa2025-08-20T03:35:44ZengWileyInternational Journal of Agronomy1687-81591687-81672010-01-01201010.1155/2010/798127798127Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant CornH. Arnold Bruns0Hamed K. Abbas1 Crop Genetics and Production Research Unit, ARS, USDA P.O. Box 345, Stoneville, MS 38776, USA Crop Genetics and Production Research Unit, ARS, USDA P.O. Box 345, Stoneville, MS 38776, USAFour glyphosate resistant corn (Zea mays L.) hybrids, a glufosinate-ammonium resistant hybrid, and a conventional atrazine resistant hybrid gown at Stoneville, MS in 2005, 2006, and 2007 with furrow irrigation were treated with their respective herbicides and their growth, yield, and mycotoxin incidence were compared with untreated cultivated plots. Leaf area index (LAI) and dry matter accumulation (DMA) were collected on a weekly basis beginning at growth stage V3 and terminating at anthesis. Crop growth rates (CRGs) and relative growth rates (RGRs) were calculated. Plots were later harvested, yield and yield component data collected, and kernel samples analyzed for aflatoxin and fumonisin. Leaf area index, DMA, CRG, and RGR were not different among the herbicide treated plots and from those that were cultivated. Curves for LAI and DMA were similar to those previously reported. Aflatoxin and fumonisin were relatively low in all plots. Herbicide application or the lack thereof had no negative impact on the incidence of kernel contamination by these two mycotoxins. Herbicides, especially glyphosate on resistant hybrids, have no negative effects on corn yields or kernel quality in corn produced in a humid subtropical environment.http://dx.doi.org/10.1155/2010/798127 |
| spellingShingle | H. Arnold Bruns Hamed K. Abbas Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn International Journal of Agronomy |
| title | Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn |
| title_full | Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn |
| title_fullStr | Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn |
| title_full_unstemmed | Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn |
| title_short | Comparisons of Herbicide Treated and Cultivated Herbicide-Resistant Corn |
| title_sort | comparisons of herbicide treated and cultivated herbicide resistant corn |
| url | http://dx.doi.org/10.1155/2010/798127 |
| work_keys_str_mv | AT harnoldbruns comparisonsofherbicidetreatedandcultivatedherbicideresistantcorn AT hamedkabbas comparisonsofherbicidetreatedandcultivatedherbicideresistantcorn |