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Absorption and Translocation of Glyphosate and Sucrose in Glyphosate-Resistant Cotton

Published online by Cambridge University Press:  20 January 2017

Walter E. Thomas
Affiliation:
North Carolina State University, Box 7620 Raleigh, NC 27695-7620
Wesley J. Everman
Affiliation:
North Carolina State University, Box 7620 Raleigh, NC 27695-7620
Ian C. Burke
Affiliation:
Washington State University, P.O. Box 646420, Pullman, WA 99164-6420
Clifford H. Koger
Affiliation:
Mississippi State University, Delta Research and Extension Center, 82 Stoneville Road, Stoneville, MS 38776
John W. Wilcut*
Affiliation:
North Carolina State University, Box 7620 Raleigh, NC 27695-7620
*
Corresponding author's E-mail: [email protected]

Abstract

Studies were conducted to evaluate absorption and translocation of 14C-glyphosate in glyphosate-resistant (GR) cotton. Both commercial GR cotton events [glyphosate-resistant event 1, marketed as Roundup Ready®, released 1997 (GRE1), and glyphosate-resistant event 2, marketed as Roundup Ready Flex®, released 2006 (GRE2)] were evaluated at the four-leaf and eight-leaf growth stages. Plants were harvested at 1, 3, 5, and 7 d after treatment (DAT). Glyphosate absorption, as a percentage of applied, increased over time with 29 and 36% absorption at 7 DAT in four-leaf GRE1 and GRE2 cotton, respectively. In eight-leaf cotton, glyphosate absorption (33% at 7 DAT) was not different between events. Glyphosate translocation patterns were not different between events or harvest timings and exhibited a source–sink relation. Observed translocation differences between cotton growth stages were probably due to reduced glyphosate export from the treated leaf of eight-leaf cotton. An additional study compared absorption and translocation of 14C-glyphosate and 14C-sucrose in 5- and 10-leaf GRE2 cotton. Averaged over trials, 14C compounds, and growth stages, cotton absorbed 28% of the applied dose at 14 DAT. On the basis of the percentage of 14C exported out of the treated leaf, glyphosate and sucrose translocation patterns were similar, indicating that glyphosate may be used as a photoassimilate model in GRE2 cotton.

Type
Research
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

Anonymous, , 2005a. Roundup WeatherMax label. St. Louis, MO Monsanto Co.Google Scholar
Anonymous, , 2005b. Roundup Ready Flex Cotton Update. http://www.monsanto.com/monsanto/content/investor-/financial/presentations/2004/MON_062504c.pdf. Accessed: March 13, 2006.Google Scholar
Ashley, D. A. 1972. 14C-Labelled photosynthate translocation and utilization in cotton plants. Crop Sci. 12:6974.Google Scholar
Askew, S. D. and Wilcut, J. W. 2002. Absorption, translocation, and metabolism of foliar-applied CGA 362622 in cotton, peanut, and selected weeds. Weed Sci. 50:293298.CrossRefGoogle Scholar
Benedict, C. R. and Kohel, R. J. 1975. Export of 14C-assimilates in cotton leaves. Crop Sci. 15:367372.Google Scholar
Benedict, C. R., Smith, R. H., and Kohel, R. J. 1973. Incorporation of 14C-photoassimilate into developing cotton bolls, Gossypium hirsutum L. Crop Sci. 13:8891.Google Scholar
Blanchard, P. E. and Donald, W. W. 1997. Herbicide contamination of groundwater beneath claypan soils in north-central Missouri. J. Environ. Qual. 26:16121621.Google Scholar
Buhler, D. D., Randall, G. W., Koskinen, W. C., and Wyse, D. L. 1993. Atrazine and alachlor losses from subsurface tile drainage of clay loam soil. J. Environ. Qual. 22:583588.Google Scholar
Dewey, S. A. and Appleby, A. P. 1983. A comparison between glyphosate and assimilate translocation patterns in tall morningglory (Ipomoea purpurea). Weed Sci. 31:308314.CrossRefGoogle Scholar
Duke, S. O. 1988. Glyphosate. Pages 170. in Kearney, P.C. and Kaufman, D.D. eds. Herbicides: Chemistry, Degradation and Mode of Action. New York Marcel Dekker.Google Scholar
Feng, P. C. C. and Chiu, T. 2005. Distribution of [14C]glyphosate in mature glyphosate-resistant cotton from application to a single leaf or over-the-top spray. Pest. Biochem. Physiol. 82:3645.CrossRefGoogle Scholar
Feng, P. C. C., Ryerse, J. S., and Sammons, R. D. 1998. Correlation of leaf damage with uptake and translocation of glyphosate in velvetleaf (Abution theophrasti). Weed Technol. 12:300307.Google Scholar
Horrocks, R. D., Kerby, T. A., and Buxton, D. R. 1978. Carbon source for developing bolls in normal and superokra leaf cotton. New Phytol. 80:335340.CrossRefGoogle Scholar
Jones, M. A. and Snipes, C. E. 1999. Tolerance of transgenic cotton to topical applications of glyphosate. J. Cotton Sci. 3:1926.Google Scholar
Masiunas, J. B. and Weller, S. C. 1988. Glyphosate activity in potato (Solanum tuberosum) under different temperature regimes and light levels. Weed Sci. 36:137140.Google Scholar
Mauney, J. R. 1986. Vegetative growth and development of fruiting sites. Pages 1128. in Mauney, J.R. and Stewart, J.McD. eds. Cotton Physiology Number One: The Cotton Foundation Reference Book Series. Memphis, TN: The Cotton Foundation.Google Scholar
McAllister, R. S. and Haderlie, L. C. 1985. Translocation of 14C-glyphosate and 14CO2-labeled photoassimilates in Canada thistle (Cirsium arvense). Weed Sci. 33:153159.CrossRefGoogle Scholar
Pantone, D. J., Young, R. A., Buhler, D. D., Eberlein, C. V., Koskinen, W. C., and Forcella, F. 1992. Water quality impacts associated with pre- and postemerge applications of atrazine in maize. J. Environ. Qual. 21:567573.Google Scholar
Pline, W. A., Price, A. J., Wilcut, J. W., Edmisten, K. L., and Wells, R. 2001. Absorption and translocation of glyphosate in glyphosate-resistant cotton as influenced by application method and growth stage. Weed Sci. 49:460467.Google Scholar
Pline, W. A., Viator, R., Wilcut, J. W., Edmisten, K. L., Thomas, J., and Wells, R. 2002b. Reproductive abnormalities in glyphosate-resistant cotton caused by lower C4-EPSPS levels in the male reproductive tissue. Weed Sci. 50:438447.CrossRefGoogle Scholar
Pline, W. A., Wilcut, J. W., Duke, S. O., Edmisten, K. L., and Wells, R. 2002a. Tolerance and accumulation of shikimic acid in response to glyphosate applications in glyphosate-resistant and nonglyphosate-resistant cotton (Gossypium hirsutum L). J. Agric. Food Chem. 50:506512.Google Scholar
Reddy, K. N. 2000. Factors affecting toxicity, absorption, and translocation of glyphosate in redvine (Brunnichia ovata). Weed Technol. 14:457462.Google Scholar
Ryerse, J. S., Downer, R. A., Sammons, R. D., and Feng, P. C. C. 2004. Effect of glyphosate spray droplets on leaf cytology in velvetleaf (Abutilon theophrasti). Weed Sci. 52:302309.Google Scholar
Sandberg, C. L., Meggitt, W. F., and Penner, D. 1980. Absorption, translocation, and metabolism of 14C-glyphosate in several weed species. Weed Res. 20:195200.Google Scholar
Schubert, A. M., Benedict, C. R., and Kohel, R. J. 1986. Carbohydrate distribution in bolls. Pages 311324. in Mauney, J.R. and Stewart, J.McD. eds. Cotton Physiology Number One: The Cotton Foundation Reference Book Series. Memphis, TN: The Cotton Foundation.Google Scholar
Shaner, D. L. 2000. The impact of glyphosate-tolerant crops on the use of other herbicides and on resistance management. Pest Manage. Sci. 56:320326.Google Scholar
Shieh, W., Geiger, D. R., and Buczynski, S. R. 1993. Distribution of imported glyphosate in quackgrass (Elytrigia repens) rhizomes in relation to assimilate accumulation. Weed Sci. 41:711.Google Scholar
Sprankle, P., Meggitt, W. F., and Penner, D. 1975a. Rapid inactivation of glyphosate in the soil. Weed Sci. 23:224228.Google Scholar
Sprankle, P., Meggitt, W. F., and Penner, D. 1975b. Absorption, mobility, and microbial degradation of glyphosate in the soil. Weed Sci. 23:229234.Google Scholar
Tardif, F. J. and Leroux, G. D. 1993. Translocation of glyphosate, quizalofol, and sucrose in quackgrass (Elytrigia repens) biotypes. Weed Sci. 41:341346.Google Scholar
USDA-NASS 2005. Acreage 2005. Washington, DC USDA-NASS Available at http://usda.mannlib.cornell.edu/reports/nassr/field/pcp-bba/acrg0605.pdf (version October 9, 2005).Google Scholar
Viator, R. P., Jost, P. H., Senseman, S. A., and Cothren, J. T. 2004. Effect of glyphosate application timings and methods on glyphosate-resistant cotton. Weed Sci. 52:147151.Google Scholar
Viator, R. P., Senseman, S. A., and Cothren, J. T. 2003. Boll abscission responses of glyphosate-resistant cotton (Gossypium hirsutum) to glyphosate. Weed Technol. 17:571575.Google Scholar
Wilcut, J. W., Coble, H. D., York, A. C., and Monks, D. W. 1995. The niche for herbicide-resistant crops in U. S. agriculture. Pages 213230. in Duke, S.O. ed. Herbicide-Resistant Crops: Agricultural, Environmental, Economic, Regulatory, and Technical Aspects. Boca Raton, FL: CRC and Lewis Publishers.Google Scholar
Wills, G. D. 1978. Factors affecting toxicity and translocation of glyphosate in cotton (Gossypium hirsutum). Weed Sci. 26:509513.Google Scholar