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Weed Seed Fate during Summer Fallow: The Importance of Seed Predation and Seed Burial

Published online by Cambridge University Press:  24 May 2017

Barbara Baraibar ,
Claudia Canadell ,
Joel Torra ,
Aritz Royo-Esnal  and
Jordi Recasens
Barbara Baraibar*
Affiliation:
Postdoctoral Research Associate, Master’s Student, Postdoctoral Researcher, Postdoctoral Researcher, and Professor, Department of Horticulture, Botany and Landscaping, University of Lleida, Lleida, Spain.
Claudia Canadell
Affiliation:
Postdoctoral Research Associate, Master’s Student, Postdoctoral Researcher, Postdoctoral Researcher, and Professor, Department of Horticulture, Botany and Landscaping, University of Lleida, Lleida, Spain.
Joel Torra
Affiliation:
Postdoctoral Research Associate, Master’s Student, Postdoctoral Researcher, Postdoctoral Researcher, and Professor, Department of Horticulture, Botany and Landscaping, University of Lleida, Lleida, Spain.
Aritz Royo-Esnal
Affiliation:
Postdoctoral Research Associate, Master’s Student, Postdoctoral Researcher, Postdoctoral Researcher, and Professor, Department of Horticulture, Botany and Landscaping, University of Lleida, Lleida, Spain.
Jordi Recasens
Affiliation:
Postdoctoral Research Associate, Master’s Student, Postdoctoral Researcher, Postdoctoral Researcher, and Professor, Department of Horticulture, Botany and Landscaping, University of Lleida, Lleida, Spain.
*
*Corresponding author’s e-mail: [email protected]
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Abstract

Maximizing weed seed exposure to seed predators by delaying post-harvest tillage has been suggested as a way to increase weed seed loss to predation in arable fields. However, in some areas of northeastern Spain, fields are still tilled promptly after cereal harvest. Tillage usually places seeds in a safer environment compared to the soil surface, but it can also increase seed mortality through seed decay and fatal germination. By burying the seeds, tillage also prevents weed seed predation. Weed seed fate in a tilled vs. a no-till environment was investigated during the summer fallow months in three cereal fields in semi-arid northeastern Spain. Rigid ryegrass and catchweed bedstraw seeds were used. Predation rates were measured in a no-till area within each field in 48-h periods every 3 wk, and long-term predation rates were estimated. Fate of buried seeds was measured by burying 20 nylon bags with 30 seeds of each weed species from July to September at a depth of 6 cm in a tilled area contiguous to the no-till area. Predation rates over the entire summer were 62% and 49% for rigid ryegrass and catchweed bedstraw, respectively. High availability of crop seeds (preferred by ants) on the soil surface may have decreased predation of weed seeds early in the season. Seed loss due to burial was 54% and 33% for rigid ryegrass and catchweed bedstraw, respectively. Unusual above-average precipitation probably prompted higher than normal weed germination rates (fatal germination) in some fields, and thus led to higher seed mortality rates compared with an average year. These results suggest that leaving the fields untilled after harvest may be the optimum strategy to reduce inputs to the weed seedbank during the summer fallow period in semi-arid systems.

Keywords

Catchweed bedstraw, Galium aparine LRigid ryegrass, Lolium rigidum Gaudin.Background seed densitycrop seedsharvester antsseed preferencesemi-aridtillage
Type
Weed Management
Information
Weed Science , Volume 65 , Issue 4 , July 2017 , pp. 515 - 524
Copyright
© Weed Science Society of America, 2017 

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Footnotes

a

Current affiliation of first author: Plant Science Department, Pennsylvania State University, University Park, PA 16802.

Associate Editor for this paper: Adam Davis, USDA–ARS.

References

Literature Cited

Agencia Estatal de Meteorologia (1983--2010) Valores climatológicos normales: Lleida. http://www.aemet.es/es/serviciosclimaticos/datosclimatologicos/valoresclimatologicos?l=9771C&k=cat. Accessed: July 9, 2015Google Scholar
Alvaro-Fuentes, J, Morell, FJ, Madejon, E, Lampurlanes, J, Arrue, JL, Cantero-Martinez, C (2013) Soil biochemical properties in a semiarid Mediterranean agroecosystem as affected by long-term tillage and N fertilization. Soil Till Res 129:69–74 Google Scholar
Baraibar, B, Carrión, E, Recasens, J, Westerman, PR (2011a) Unravelling the process of weed seed predation: developing options for better weed control. Biol Control 56:85–90 Google Scholar
Baraibar, B, Torra, J, Westerman, PR (2011b) Harvester ant (Messor barbarus (L.)) density as related to soil properties, topography and management in semi-arid cereals. Appl Soil Ecol 51:60–65 Google Scholar
Baraibar, B, Westerman, PR, Carrión, E, Recasens, J (2009) Effects of tillage and irrigation in cereal fields on weed seed removal by seed predators. J Appl Ecol 46:380–387 Google Scholar
Barralis, G, Chadoeuf, R, Lonchamp, JP (1988) Longevity of annual weed seeds in a cultivated soil. Weed Res 28:407–418 Google Scholar
Boyd, NS, Van Acker, RC (2003) The effects of depth and fluctuating soil moisture on the emergence of eight annual and six perennial plant species. Weed Sci 51:725–730 Google Scholar
Buhler, DD, Hartzler, RG, Forcella, F (1997) Implications of weed seedbank dynamics to weed management. Weed Sci 45:329–336 Google Scholar
Chauhan, BS, Gill, G, Preston, C (2006) Influence of environmental factors on seed germination and seedling emergence of rigid ryegrass (Lolium rigidum). Weed Sci 54:1004–1012 CrossRefGoogle Scholar
Cousens, R, Moss, R (1990) A model of the effects of cultivation on the vertical distribution of weed seeds within the soil. Weed Res 30:61–70 CrossRefGoogle Scholar
Crist, TO, MacMahon, JA (1992) Harvester ant foraging and shrub-steppe seeds: interactions of seed resources and seed use. Ecology 73:1768–1779 Google Scholar
Davis, AS, Anderson, KI, Hallett, SG, Renner, KA (2006) Weed seed mortality in soils with contrasting agricultural management histories. Weed Sci 54:291–297 CrossRefGoogle Scholar
Davis, AS, Daedlow, D, Schutte, BJ, Westerman, PR (2011) Temporal scaling of episodic point estimates of seed predation to long-term predation rates. Methods Ecol Evol 2:682–690 Google Scholar
Detrain, D, Tasse, O, Versaen, M, Pasteels, JM (2000) A field assessment of optimal foraging in ants: trail patterns and seed retrieval by the European harvester ant Messor barbarus . Insectes Soc 47:56–62 Google Scholar
Du Croix Sissons, MJ, Van Acker, RC, Derksen, DA, Thomas, AG (2000) Depth of seedling recruitment of five weed species measured in situ in conventional and zero-tillage fields. Weed Sci 48:327–332 Google Scholar
Goggin, DE, Powles, SB, Steadman, KJ (2012) Understanding Lolium rigidum seeds: the key to managing a problem weed? Agronomy 2:222–239 Google Scholar
Gomez, R, Liebman, M, Munkvols, G (2013) Weed seed decay in conventional and diversified cropping systems. Weed Res 54:13–25 Google Scholar
Holmes, RJ, Froud-Williams, RJ (2005) Post-dispersal weed seed predation by avian and non-avian predators. Agric Ecosyst Environ 105:23–27 CrossRefGoogle Scholar
Jacobs, A, Kingwell, R (2016) The Harrington Seed Destructor: its role and value in farming systems facing the challenge of herbicide-resistant weeds. Agric Sys 142:33–40 Google Scholar
Jensen, PK (2009) Longevity of seeds of four annual grass and two dicotyledon weed species as related to placement in the soil and straw disposal technique. Weed Res 49:592–601 Google Scholar
Lopez, F, Acosta, FJ, Serrano, JM (1993) Responses of the trunk routes of a harvester ant to plant density. Oecologia 93:109–113 CrossRefGoogle ScholarPubMed
Mohler, CL (1993) A model of the effects of tillage on emergence of weed seedlings. Ecol Appl 3:53–73 CrossRefGoogle Scholar
Mohler, CL, Frisch, JC, McCulloch, CE (2006) Vertical movement of weed seed surrogates by tillage implements and natural processes. Soil Till Res 86:110–122 CrossRefGoogle Scholar
Pekrun, C, Claupein, W (2006) The implication of stubble tillage for weed population dynamics in organic farming. Weed Res 46:414–423 Google Scholar
Plummer, M, Stukalov, A, Denwood, M (2016) Bayesian Graphical Models using MCMC. https://cran.r-project.org/web/packages/rjags/rjags.pdf. Accessed: January 12, 2016Google Scholar
R Core Team (2014) R: A Language and Environment for Statistical Computing. Vienna, Austria: R Foundation for Statistical Computing. http://www.R-project.org. Accessed January 2016Google Scholar
Reyes Lopez, JL, Fernández-Haeger, J (2002) Composition-dependent and density-dependent seed removal rates in the harvester ant Messor barbarus . Sociobiology 39:475–484 Google Scholar
Risch, SJ, Carroll, CR (1986) Effects of seed predation by a tropical ant on competition among weeds. Ecology 67:1319–1327 Google Scholar
Spafford Jacob, H, Minkey, DM, Gallagher, RS, Borger, CP (2006) Variation in postdispersal weed seed predation in a crop field. Weed Sci 54:148–155 CrossRefGoogle Scholar
Van Mourik, TA, Stomph, TJ, Murdoch, AJ (2005) Why high seed densities within buried mesh bags may overestimate depletion rates of soil seed banks. J Appl Ecol 42:299–305 Google Scholar
Wagner, M, Mitschunas, N (2008) Fungal effects on seed bank persistence and potential applications in weed biocontrol: a review. Basic Appl Ecol 9:191–203 CrossRefGoogle Scholar
Westerman, PR, Atanackovic, V, Royo-Esnal, A, Torra, J (2012) Differential weed seed removal in dryland cereals. Arthropod-Plant Inte 6:591–599 Google Scholar
Westerman, PR, Dixon, PM, Liebman, M (2009) Burial rates of surrogate seeds in arable fields. Weed Res 49:142–152 Google Scholar
Westerman, PR, Liebman, M, Heggenstaller, AH, Forcella, F (2006) Integrating measurements of seed availability and removal to estimate weed seed losses due to predation. Weed Sci 54:566–574 Google Scholar
Westerman, PR, Wes, JS, Kropff, MJ, Van Der Werf, W (2003) Annual losses of weed seeds due to predation in organic cereal fields. J Appl Ecol 40:824–836 Google Scholar
Wiles, LJ, Barlin, DH, Schweitzer, EE, Duke, HR, Whitt, DE (1996) A new soil sampler and elutriator for collecting and extracting weed seeds from soil. Weed Technol 10:35–41 Google Scholar
Zuur, AF, Ieno, EN (2016) A protocol for conducting and presenting results of regression-type analyses. Methods Ecol Evol 7:636–645 CrossRefGoogle Scholar
Zuur, AF, Ieno, EN, Elphick, CS (2010) A protocol for data exploration to avoid common statistical problems. Methods Ecol Evol 1:3–14 CrossRefGoogle Scholar