Author
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Yates, Ida |
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Widstrom, Neil |
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Bacon, Charles |
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GLENN, A - PLANT PATH, UNIV GEORGIA |
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Hinton, Dorothy |
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SPARKS, D - HORT SCI, UNIV GEORGIA |
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SMART, W - BOTANY, UNIV GEORGIA |
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JAWORSKI, A - BOTANY, UNIV GEORGIA |
Submitted to: Phytopathology
Publication Type: Abstract Only Publication Acceptance Date: 4/1/2001 Publication Date: 7/1/2001 Citation: N/A Interpretive Summary: No interpretive summary required - Abstract for presentation at the annual meeting of the American Phytopathological Society, August 25-29, 2001, Salt Palace, Salt Lake City, Utah. Technical Abstract: Vegetative growth and yield were analyzed for corn plants developing from Fusarium verticillioides-infected seed in a three-year field study. A sweet corn, Silver Queen, and an Aspergillus resistant dent population, GT-MAS:gk, were each infected with a pathogenic, RRC PAT, and a non-pathogenic, RRC 374, isolate of F. verticilliodes. Plant survival, shoot diameter, plant height, leaf number, and dry weight were measured on three dates at one-month intervals after planting to judge growth. Ear number, ear dry weight, and kernel dry weight were recorded at harvest. Most measurements for growth and yield were significantly higher for GT-MAS:gk than for Silver Queen, but did not differ significantly among plants grown from non-infected seed compared to seed infected with F. verticillioides RRC PAT or RRC 374. Thus, F. verticillioides seed infections were of minor consequence on ensuing growth and yield of corn plants under field conditions in south Georgia during 1997, 1998, and 1999. |