Hostname: page-component-8448b6f56d-xtgtn Total loading time: 0 Render date: 2024-04-17T17:10:08.966Z Has data issue: false hasContentIssue false

Competitive Effects of Glyphosate-Resistant and Glyphosate-Susceptible Horseweed (Conyza canadensis) on Young Grapevines (Vitis vinifera)

Published online by Cambridge University Press:  20 January 2017

Marisa Alcorta
Affiliation:
Department of Viticulture and Enology, University of California, One Shields Ave., Davis, CA 95616
Matthew W. Fidelibus
Affiliation:
Department of Viticulture and Enology, University of California, One Shields Ave., Davis, CA 95616
Kerri L. Steenwerth
Affiliation:
USDA-ARS, Crop Pathology & Genetics Research Unit, C/O Department of Viticulture and Enology, University of California, One Shields Ave., Davis, CA 95616
Anil Shrestha*
Affiliation:
Department of Plant Science, California State University, 2415 E. San Ramon Ave., MS A/S 72, Fresno, CA 93740
*
Corresponding author's E-mail: ashrestha@csufresno.edu

Abstract

Horseweed is a common pest in vineyards of the San Joaquin Valley (SJV) of California. Interest in controlling this weed has increased with the recent discovery of a glyphosate-resistant (GR) biotype that has been observed to be more vigorous than a glyphosate-susceptible (GS) biotype in the SJV. However, the impact that either biotype may have on grapevine growth has not been assessed. Therefore, two glasshouse experiments were conducted to characterize the competitiveness of GR and GS horseweed biotypes from the SJV with young grapevines. ‘Syrah’ grapevines grafted to Freedom rootstocks were planted in 8-L plastic pots, alone, or with a single GR or GS horseweed. Additional GR and GS horseweeds were also planted separately in individual pots, and all plants were grown for 14 and 16 wk in 2006 and 2007, respectively. Grapevines grown with either biotype of the weed produced fewer leaves and amassed approximately 20% less dry mass (DM) than vines grown alone. The GR biotype reduced grapevine stem DM and length by 30%, but the GS biotype did not. The GR biotype accumulated more than twice the DM as the GS biotype, whether in competition with grapevine or not. Grapevines reduced the total leaf number of both horseweed biotypes by almost 50% and aboveground DM of GR and GS biotypes by 50 and 75%, respectively. These preliminary findings indicate that competition from horseweed can substantially reduce the growth of young grapevines and that the GR biotype may be more competitive than the GS biotype.

Type
Weed Biology and Ecology
Copyright
Copyright © Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

Alcorta, M., Fidelibus, M. W., Steenwerth, K. L., and Shrestha, A. 2011. Effect of vineyard row orientation on growth and phenology of glyphosate-resistant and glyphosate-susceptible horseweed (Conyza canadensis L. Cronq.). Weed Sci. 59:5560.Google Scholar
Baumgartner, K., Steenwerth, K. L., and Veilleux, L. 2007. Effects of organic and conventional practices on weed control in a perennial cropping system. Weed Sci. 55:352358.Google Scholar
Bergelson, J. and Purrington, C. B. 1996. Surveying patterns in the cost of resistance in plants. Am. Nat. 148:536558.Google Scholar
Bordelon, B. P. and Weller, S. C. 1997. Preplant cover crops affect weed and vine growth in first-year vineyards. Hort. Sci. 32:10401043.Google Scholar
Dauer, J., Mortensen, D. A., and VanGessel, M. 2007. Spatial and temporal dynamics governing long distance dispersal of Conyza canadensis. J. Appl. Ecol. 44:105114.Google Scholar
Dinnelli, G., Marotti, I., Bonetti, A., Minelli, M., Catizone, P., and Barnes, J. 2006. Physiological and molecular insight on the mechanisms of resistance to glyphosate in Conyza canadensis (L.) Cronq. biotypes. Pest. Biochem. Phys. 86:3041.Google Scholar
Donald, C. 1963. Competition among crop and pasture plants. Adv. Agron. 15:1118.Google Scholar
Fanizza, G., Della Gatta, C., and Bagnulo, C. 1991. A non-destructive determination of leaf chlorophyll in Vitis vinifera . Ann. App. Biol. 119:203205.Google Scholar
Feng, P., Tran, M., Chiu, T., Sammons, D., Heck, G., and CaJacob, C. 2004. Investigations into glyphosate-resistant horseweed (Conyza canadensis): retention, uptake, translocation, and metabolism. Weed Sci. 52:498505.Google Scholar
Grantz, D. A., Shrestha, A., and Vu, H. 2008. Early vigor and ozone response in horseweed biotypes differing in glyphosate resistance. Weed Sci. 56:224230.Google Scholar
Hanson, B. D., Shrestha, A., and Shaner, D. 2009. Distribution of glyphosate-resistant horseweed (Conyza canadensis) and relationship to cropping systems in the Central Valley of California. Weed Sci. 57:4853.Google Scholar
Heap, I. 2010. The International Survey of Herbicide Resistant Weeds. Online. www.weedscience.com. Accessed: December 21, 2010.Google Scholar
Holm, L. G., Doll, J., Pancho, J. V., and Herberger, J. P. 1997. World Weeds: Natural Histories and Distribution. New York John Wiley & Sons. Pp. 226235.Google Scholar
Holt, J. S. 1992. History of identification of herbicide-resistant weeds. Weed Technol. 6:615620.Google Scholar
Kadir, S. and Al-Khatib, K. 2006. Weed control in grape after fall and spring application of selected herbicides. Weed Technol. 20:7480.Google Scholar
Kadir, S. and Bauernfeind, R. 2005. Midwest commercial small fruit and grape spray guide. West Lafayette, IN Purdue University Cooperative Extension Service. Pp. 5559.Google Scholar
Krohn, N. G. and Ferree, D. C. 2005. Effects of low-growing perennial ornamental groundcovers on the growth and fruiting of ‘Seyval blanc’ grapevines. Hort. Sci. 40:561568.Google Scholar
Lambers, H., Chapin, F. S., and Pons, T. L. 1998. Plant physiological ecology. New York Springer. 317 p.Google Scholar
Lebon, E., Pellegrino, A., Louarn, G., and Lecoeur, J. 2006. Branch development controls leaf area dynamics in grapevine. Ann. Bot. 98:175185.Google Scholar
Mueller, T., Massey, J., Hayes, R., Main, C., and Stewart, N. Jr. 2003. Shikimate accumulates in both glyphosate-sensitive and glyphosate-resistant horseweed (Conyza canadensis L. Cronq.). J. Agric. Food Chem. 51:680684.Google Scholar
Nandula, V., Eubank, T., Poston, D., Koger, C., and Reddy, K. 2006. Factors affecting germination of horseweed (Conyza canadensis). Weed Sci. 54:898902.Google Scholar
Regehr, D. L. and Bazzaz, F. A. 1979. The population dynamics of Erigeron canadensis, a successional winter annual. J. Ecol. 67:923933.Google Scholar
Shaulis, N. and Steele, R. G. D. 1969. The interaction of resistant rootstock to nitrogen, weed control, pruning, and thinning effects on productivity of ‘Concord’ grapevine. J. Am. Soc. Hortic. Sci. 94:422429.Google Scholar
Sheldon, J. C. and Burrows, F. M. 1973. The dispersal effectiveness of the achene-pappus units of selected Compositae in steady winds with convection. New Phytol. 72:665675.Google Scholar
Shrestha, A., Fidelibus, M. W., Alcorta, M. F., and Cathline, K. 2010a. Threshold of horseweed (Conyza canadensis) in an established Thompson Seedless vineyard in the San Joaquin Valley. Int. J. Fruit Sci. 10:301308.Google Scholar
Shrestha, A., Hanson, B. D., Fidelibus, M. W., and Alcorta, M. 2010b. Growth, phenology, and intra-specific competition between glyphosate-resistant and glyphosate-susceptible horseweed (Conyza canadensis) in the San Joaquin Valley of California. Weed Sci. 58:147153.Google Scholar
Shrestha, A., Hembree, K. J., and Va, N. 2007. Growth stage influences level of resistance in glyphosate-resistant horseweed. California Agric. 61:6770.Google Scholar
VanGessel, M. J. 2001. Glyphosate-resistant horseweed from Delaware. Weed Sci. 49:703705.Google Scholar
Zelaya, I., Owen, M., and VanGessel, M. 2007. Transfer of glyphosate resistance: evidence of hybridization in Conzya (Asteraceae). Am. J. Bot. 94:660673.Google Scholar