Optimizing glyphosate timing in a mixed stand of glyphosate-resistant/ conventional, drill-seeded soybean

Weed Technology

Volumn 19, Issue 4, 2005, Pages 942-946

  Norsworthy, Jason K ^a  

^a CLEMSON UNIVERSITY   (United States)

Author keywords

Application timing; Integrated weed management; Soybean groundcover; Transgenic crop

Indexed keywords

CANOPY; CROP YIELD; GLYPHOSATE; GROUND COVER; OPTIMIZATION; PESTICIDE RESISTANCE; RESEARCH WORK; SEEDLING; SOYBEAN; WEED CONTROL;

AMARANTHUS CAUDATUS; AMARANTHUS PALMERI; GLYCINE MAX; PORTULACA OLERACEA;

EID: 33748807503     PISSN: 0890037X     EISSN: None     Source Type: Journal    
DOI: 10.1614/WT-04-247R1.1     Document Type: Article

References (20)

1. Anonymous. 2004. Roundup UltraMax label. http://www.cdms.net/ldat/ ld3HB027.pdf. Accessed: March 4, 2005.
2. Culpepper, A. S., A. E. Gimenez, A. C. York, R. B. Batts, and J. W. Wilcut. 2001. Morningglory (Ipomoea spp.) and large crabgrass (Digitaria sanguinalis) control with glyphosate and 2,4-DB mixtures in glyphosate-resistant soybean (Glycine max). Weed Technol. 15:56-61.
3. Culpepper, A. S., A. C. York, R. B. Batts, and K. M. Jennings. 2000. Weed management in glufosinate- and glyphosate-resistant soybean (Glycine max). Weed Technol. 14:77-88.
4. Dowler, C. C. 1998. Weed-survey-southern states. Proc. South Weed Sci. Soc. 51:299-313.
5. Fehr, W. R. and C. E. Caviness. 1977. Stage of soybean development. Iowa State University of Science and Technology Special Rep. 80. 12 p.
6. Gimenez, A. E., A. C. York, J. W. Wicut, and R. B. Batts. 1998. Annual grass control by glyphosate plus bentazon, chlorimuron, fomesafen, or imazelhapyr mixtures. Weed Technol. 12:134-136.
7. Jordan, D. L., A. C. York, J. L. Griffin, and P. A. Clay. 1997. Influence of application variables on efficacy of glyphosate. Weed Technol. 11:354-362.
8. Roger, C. H., D. H. Poston, and K. N. Reddy. 2004. Effect of glyphosate spray coverage on control of pitted morningglory (Ipomeoa lacunosa). Weed Technol. 18:124-130.
9. Krausz, R. F., G. Kapusta, and J. L. Matthews. 1996. Control of annual weeds with glyphosate. Weed Technol. 11:354-362.
10. Lich, J. M., K. A. Renner, and D. Penner. 1997. Interaction of glyphosate with postemergence soybean (Glycine max) herbicides. Weed Sci. 45:12-21.
11. Mickelson, J. A. and K. A. Renner. 1997. Weed control using reduced rates of postemergence herbicides in narrow and wide row soybean. J. Prod. Agric. 10:431-437.
12. Murdock, E. C. and S. Sherrick. 1999. Florida pusley (Richardia scabra) control in Roundup Ready™ soybeans. Proc. South Weed Sci. Soc. 52:57-58.
13. Norsworthy, J. K. 2003. Use of soybean production surveys to determine weed management needs of South Carolina farmers. Weed Technol. 17:186-189.
14. Norsworthy, J. K. and J. R. Frederick. 2002. Reduced seeding rate for glyphosate-resistant, drilled soybean on the southeastern Coastal Plain. Agron. J. 94:1282-1288.
15. Norsworthy, J. K. and L. R. Oliver. 2001a. Competitive potential and economic analysis of a glyphosate-rcsistant/conventional soybean mix. Weed Technol. 15:177-183.
16. Norsworthy, J. K. and L. R. Oliver. 2001b. Effect of seeding rate of drilled glyphosate-resistant soybean (Glyince max) on seed yield and gross profit margin. Weed Technol. 15:284-292.
17. Norsworthy, J. K. and L. R. Oliver. 2002. Effect of irrigation, soybean (Glycine max) density, and glyphosate on hemp sesbania (Sesbania exaltata) and pitted morningglory (Ipomoea lacunosa) interference in soybean. Weed Technol. 16:7-17.
18. Payne, S. A. and L. R. Oliver. 2000. Weed control programs in drilled glyphosate-tolerant soybean. Weed Technol. 14:413-422.
19. Wait, J. D., W. C. Johnson, and R. E. Massey. 1999. Weed management with reduced rates of glyphosate in no-till, narrow-row, glyphosate-resistant soybean (Glycine max). Weed Technol. 13:478-483.
20. Yelverton, F. H. and H. D. Coble. 1991. Narrow row spacing and canopy formation reduces weed resurgence in soybeans (Glycine max). Weed Technol. 5:169-174.