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Glyphosate Tolerance in Enhanced Glyphosate-Resistant Cotton (Gossypium hirsutum)

Published online by Cambridge University Press:  20 January 2017

Jonathan A. Huff ,
Daniel B. Reynolds ,
Darrin M. Dodds  and
J. Trenton Irby
Jonathan A. Huff
Affiliation:
Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
Daniel B. Reynolds*
Affiliation:
Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
Darrin M. Dodds
Affiliation:
Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
J. Trenton Irby
Affiliation:
Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
*
Corresponding author's E-mail: [email protected].
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Abstract

Glyphosate applied to glyphosate-resistant (RR) cotton varieties after the four-leaf stage can decrease boll retention resulting in severe yield reductions. Enhanced glyphosate-resistant cotton (RR Flex), released for commercial use in 2006, offers a wider window of glyphosate applications without the risk of yield loss. However, no data exist regarding the effect of glyphosate application, especially late season applications, on fruit partitioning in RR Flex cotton. The objective of this research was to determine the effect of glyphosate rate and application timing on RR Flex cotton yield and fruit partitioning compared with current RR cotton. Studies were conducted during a 3-yr period (2004 to 2006), throughout the cotton growing regions of Mississippi. Roundup Ready (ST 4892 Bollgard/Roundup Ready [BR]) and Roundup Ready Flex (Mon 171 Enhanced Roundup Ready and ST 4554 Bollgard II/Roundup Ready Flex [B2RF]) cotton was planted, and glyphosate was applied at various rates and cotton growth stages. Data were collected using box mapping, a technique designed to depict yield partitioning on a cotton plant. RR Flex cotton yields were unaffected by glyphosate application timing or rate. Yields for ST 4892 BR were affected by application timings after the sixth leaf. ST 4892 BR had increased yield partitioning to position-three bolls and upper nodes with later application timings of glyphosate. Increases in seed cotton partitioned to higher nodes and outer fruiting positions were unable to compensate for fruit shed from innermost, lower fruiting sites. These data indicate that RR Flex cotton has excellent tolerance to late-season glyphosate applications.

El glifosato aplicado a diferentes variedades de algodón resistentes al mismo (RR) después de la etapa de cuatro hojas puede disminuir la retención de bellotas provocando severas reducciones en el rendimiento. Una variedad mejorada de algodón resistente al glifosato (RR Flex) liberada al mercado para su uso comercial en 2006, ofrece mejores opciones en la aplicación del herbicida sin el riesgo de pérdida en el rendimiento. Sin embargo, no existe información acerca del efecto de la aplicación del glifosato, especialmente en aplicaciones tardías en la etapa de dehiscente de la bellota de algodón RR Flex. El objetivo de esta investigación fue determinar el efecto de la dosis de glifosato y el tiempo de aplicación en el rendimiento y en la dehiscencia de la bellota del algodón RR Flex, comparada con el algodón RR de uso común en la actualidad. Los estudios se llevaron al cabo durante un período de tres años (2004 a 2006), a lo largo de las regiones de cultivo de algodón en Mississippi. Se sembraron las variedades Roundup Ready (ST 4892 Bollgard/Roundup Ready [BR]) y Roundup Ready Flex (Mon 171 Enhanced Roundup Ready y ST 4554 Bollgard II/Roundup Ready Flex [B2RF]) y el glifosato se aplicó a diferentes dosis y etapas de crecimiento. La información fue obtenida usando “Box mapping” una técnica designada para representar la canalización del rendimiento en una planta de algodón. Los rendimientos del algodón RR Flex no se afectaron por el tiempo de aplicación o por la dosis. Los rendimientos para ST 4892 BR si se afectaron en respuesta al tiempo de aplicación después de la sexta hoja. El ST 4892 Bollgard/Roundup Ready (BR) Exhibió un mayor grado de canalización hacia las bellotas en la posición de tres bellotas y hacia los nódulos superiores debido al tiempo más tardío de la aplicación de glifosato. Los incrementos en la semilla de algodón canalizada hacia los nódulos superiores y hacia las posiciones periféricas de las bellotas no fueron suficientes para compensar la pérdida del fruto en las posiciones interiores e inferiores. Ésta información señala que el algodón RR Flex tiene una excelente tolerancia a las aplicaciones tardías de glifosato.

Keywords

Glyphosatecotton, Gossypium hirsutum L.Application timingboll retentionbox mappingherbicideRoundup ReadyRR Flex cottonyield componentsyield partitioning
Type
Weed Management—Major Crops
Information
Weed Technology , Volume 24 , Issue 3 , September 2010 , pp. 289 - 294
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

Anonymous 2006. Roundup Ready Flex cotton: technical bulletin. St. Louis, MO: Monsanto. http://www.monsanto.com/products/Pages/genuity-roundup-ready-flex-cotton.aspx. Accessed July 8, 2010.Google Scholar
Askew, S. D. and Wilcut, J. W. 1999. Cost and weed management with herbicide programs in glyphosate-resistant cotton (Gossypium hirsutum). Weed Technol 13:308–313.Google Scholar
Culpepper, A. S. and York, A. C. 1999. Weed management and net returns with transgenic herbicide resistant, and nontransgenic cotton (Gossypium hirsutum). Weed Technol 13:411–420.Google Scholar
Ferreira, K. L., Jost, D. J., Dixon, G. A., and Albers, D. W. 1998. Roundup Ready cotton fruiting patterns response to over the top applications of Roundup Ultra after the 4 leaf stage. Pages 848. in. Proceedings of the Beltwide Cotton Conference. Cordova, TN: National Cotton Council of America.Google Scholar
Franz, J. E., Mao, M. K., and Sikorski, J. A. 1997. Glyphosate: A Unique Global Herbicide. Washington, DC: American Chemical Society Monograph 189. 8.Google Scholar
Jenkins, J. N., McCarty, J. C., and Parrot, W. L. 1990. Effectiveness of fruiting sites in cotton yield. Crop Sci 30:365–369.Google Scholar
Jones, M. A., Main, C., and Murdock, E. 2006. Evaluation of Roundup Ready Flex cotton in South Carolina. Pages 1639. in. Proceedings of the Beltwide Cotton Conference. Cordova, TN: National Cotton Council of America.Google Scholar
Jones, M. A. and Snipes, C. E. 1999. Tolerance of transgenic cotton to topical applications of glyphosate. J. Cotton Sci 3:19–26.Google Scholar
Kalaher, C. J. and Coble, H. D. 1998. Fruit abscission and yield response of Roundup Ready cotton to topical applications of glyphosate. Pages 849. in. Proceedings of the Beltwide Cotton Conference. Cordova, TN: National Cotton Council of America.Google Scholar
Kalaher, C. J., Coble, H. D., and York, A. C. 1997. Morphological effects of Roundup application timings on Roundup-Ready cotton. Pages 780. in. Proceedings of the Beltwide Cotton Conference. Cordova, TN: National Cotton Council of America.Google Scholar
Kishore, G. M., Padgette, S. R., and Frayley, R. T. 1992. History of herbicide-tolerant crops, methods of development and current state of the art—emphasis on glyphosate tolerance. Weed Technol 6:626–634.Google Scholar
Kohel, R. J. and Lewis, C. F. 1984. Cotton. Madison, WI: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America Agronomy Publication 84. 605.Google Scholar
Martens, A., Hart, J., Salmons, B., Cerny, E., Huber, S., and Oppenhuizen, M. 2003. 2002 Results of Roundup Ready Flex trial. Pages 2245. in. Proceedings of the Beltwide Cotton Conference. Cordova, TN: National Cotton Council of America.Google Scholar
Matthews, S. G., Rhodes, G. N., Mueller, T. C., and Hayes, R. M. 1998. Effects of Roundup Ultra on Roundup Ready cotton. Pages 850. in. Proceedings of the Beltwide Cotton Conference. Cordova, TN: National Cotton Council of America.Google Scholar
Mauney, J. R. 1984. Anatomy and morphology of cultivated cottons. Pages 64–65. in Kohel, R. J. and Lewis, C. F. eds. Cotton. Madison, WI: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America Agronomy Publication 84. 605.Google Scholar
May, O. L., Culpepper, A. S., Mullinix, B. G. Jr., et al. 2004. Transgenic cotton with improved resistance to glyphosate herbicide. Crop Sci 44:234–240.Google Scholar
Murdock, S. W. and Mullins, W. 2006. Roundup Ready Flex cotton—2006 launch. Pages 2300–2301. in. Proceedings of the Beltwide Cotton Conference. Cordova, TN: National Cotton Council of America.Google Scholar
Nida, D. L., Kolacz, K. H., and Buehler, R. E. 1996. Glyphosate-tolerant cotton: genetic characterization and protein expression. J. Agric. Food Chem 44:1960–1966.Google Scholar
Pline, W. A., Viator, R., Wilcut, J. W., Edmisten, K. L., Thomas, J., and Wells, R. 2002. Reproductive abnormalities in glyphosate-resistant cotton caused by lower CP4 EPSPS levels in male reproductive tissues. Weed Sci 50:384–447.Google Scholar
Vencill, W. K. 2002. Herbicide Handbook. 4th ed. Lawrence, KS: Weed Science Society of America.Google Scholar
Viator, R. P., Jost, P. H., Senseman, S. A., and Cothern, J. T. 2004. Effect of glyphosate application timings and methods on glyphosate-resistant cotton. Weed Sci 52:147–151.Google Scholar
Wilcut, J. W., Coble, H. D., York, A. C., and Monks, D. W. 1996. The niche for herbicide-resistant crops in U.S. Agriculture. Pages 213–230. in Duke, S. O. ed. Herbicide-Resistant Crops: Agricultural, Environmental, Economic, Regulatory, and Technical Aspects. Boca Raton, FL: CRC.Google Scholar
Young, B. G. 2006. Changes in herbicide use patterns and production practices resulting from glyphosate resistant crops. Weed Technol 20:301–307.Google Scholar