Potential changes in weed competitiveness in an agroecological system with elevated temperatures

Tungate, Kimberly D.; Israel, Daniel W.; Watson, Dorothy M.; Rufty, Thomas W.

doi:10.1016/j.envexpbot.2006.06.001

Cited by 39 publications

(31 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…A changing climate influences the supply of resources, and as a consequence, it alters the functional connections of traits (Diaz et al 1998;Jauni and Hyvönen 2012). Climate change hence selects those species featuring the appropriate set of traits (Keddy 1992;Grime 1997) and leads to shifts in the traits of plant populations (Carroll et al 2007;Tungate et al 2007). Changing environmental conditions may favor traits of dominant (e.g., invasive) species, which are able to significantly alter ecosystem function (Wilson and Agnew 1992;Schulze and Mooney 1994).…”

Section: Trait Shiftsmentioning

confidence: 99%

“…Yet, just a few papers cover the effects of climate change on weeds in relation to specific crops (Patterson et al 1984;Alberto et al 1996;Tungate et al 2007). To assure harvest in the face of climate change, farmers adapt cropping systems and management measures, for instance, by implementing different crop rotations, crop sowing dates, irrigation, and tillage methods (Kaukoranta and Hakala 2008;Fleming and Vanclay 2010;Daccache et al 2012).…”

Section: Direct Effects Of Climate Change On Weedsmentioning

confidence: 99%

“…3. Adaptation to changes in climate conditions, which is often associated with the evolution of new properties or with the optimization of existing ones (Harlan and de Wet 1965;Carroll et al 2007;Tungate et al 2007). These individual biological adaptations of weeds, which are driven by natural selection, result in trait shifts.…”

Section: General Principles Of the Weeds' Reactionsmentioning

confidence: 99%

See 2 more Smart Citations

Impact of climate change on weeds in agriculture: a review

Peters

Breitsameter

Gerowitt

2014

Agron. Sustain. Dev.

217

116

View full text Add to dashboard Cite

Over the past decades, climate change has induced transformations in the weed flora of arable ecosystems in Europe. For instance, thermophile weeds, late-emerging weeds, and some opportunistic weeds have become more abundant in some cropping systems. The composition of arable weed species is indeed ruled by environmental conditions such as temperature and precipitation. Climate change also influences weeds indirectly by enforcing adaptations of agronomic practice. We therefore need more accurate estimations of the damage potential of arable weeds to develop effective weed control strategies while maintaining crop yield. Here we review the mechanisms of responses of arable weeds to the direct and indirect effects of climate change. Climate change effects are categorized into three distinct types of shifts occurring at different scales: (1) range shifts at the landscape scale, (2) niche shifts at the community scale, and (3) trait shifts of individual species at the population scale. Our main conclusions are changes in the species composition and new species introductions are favored, which facilitate major ecological and agronomical implications. Current research mainly considers processes at the landscape scale. Processes at the population and community scales have prevalent importance to devise sustainable management strategies. Trait-climate and niche-climate relationships warrant closer consideration when modeling the possible future distribution and damage potential of weeds with climate change.

show abstract

Section: Trait Shiftsmentioning

confidence: 99%

Section: Direct Effects Of Climate Change On Weedsmentioning

confidence: 99%

Section: General Principles Of the Weeds' Reactionsmentioning

confidence: 99%

See 1 more Smart Citation

Impact of climate change on weeds in agriculture: a review

Peters

Breitsameter

Gerowitt

2014

Agron. Sustain. Dev.

217

116

View full text Add to dashboard Cite

show abstract

“…Schroeder et al 1993, Bunce andZiska 2000), which are alike with respect to temperature requirements for germination and growth. Since the majority of the "world's worst weeds" are C 4 plants (Holm et al 1977) and most crops are C 3 plants (Patterson 1995), global warming can be assumed to strengthen the competition from these weeds in the future (Ziska 2003, Tungate et al 2007). Regarding range expansion, the pressure on C 4 weeds to invade northern regions, where they are currently rare, can be assumed to increase (Holm et al 1997).…”

Section: Introductionmentioning

confidence: 99%

Impact of temperature and germination time on the success of a C4 weed in a C3 crop: Amaranthus retroflexus and spring barley

Hyvönen¹

2008

AFSci

View full text Add to dashboard Cite

Elevation in temperatures due to climate change could promote the invasion by C4 weed species of arable fields in the boreal region, which are dominated by C 3 crops. The success of Amaranthus retroflexus L. (a C 4 weed) in spring barley (a C 3 crop) was studied at current and elevated temperatures (3 °C difference) in a greenhouse experiment in southern Finland. The competition treatments included no competition and four levels of competition with barley, differing in terms of germination time. The success of A. retroflexus was measured as growth (height and biomass) and seed production (number and biomass). Elevation in temperature enhanced seed production of A. retroflexus, but the impact on growth was minor (only difference in plant height in one treatment). The growth and seed production of A. retroflexus in competition with barley was minimal although the growth of barley decreased with the rise in temperature. The results indicate that climate change could improve growth of a C 4 weed such as A. retroflexus, but it is unlikely to succeed in spring barley.

show abstract

“…In fact most of these bioassays with minor modifications can be used for a variety of other types of species including herbaceous and woody perennials. Finally, four of the six species, the exceptions being ivyleaf morningglory and redroot pigweed, have been documented as arbuscular mycorrhizal plants (Harley and Harley 1987;Davies et al 2001;Moyer-Henry et al 2006;Wang and Qiu 2006;Tungate et al 2007;Ultra et al 2007;Hasbullah et al 2011;Sharma et al 2011;Talaat and Shawky 2011). A number of other species of Ipomoea have been documented as arbuscular mycorrhizal species but ivyleaf morningglory was not listed among them (Anaya 1999;Wang and Qui 2006).…”

Section: Introductionmentioning

confidence: 93%

Hypothetical Standard Screening Bioassays

Blum¹

2014

Plant-Plant Allelopathic Interactions II

View full text Add to dashboard Cite

This chapter describes in some detail a number of standard (common or classical) laboratory screening bioassays for identifying putative allelopathic plants and sensitive species. These include bioassays for the following: identified putative allelopathic compounds, leachates, "root exudates plus", litter and residues, and soils. The procedures of each bioassay have been adjusted, where possible, to be consistent with the tenets of Chap. 3. Comments regarding potential benefits and limitations of these bioassays are also provided throughout the chapter.

show abstract

Potential changes in weed competitiveness in an agroecological system with elevated temperatures

Cited by 39 publications

References 39 publications

Impact of climate change on weeds in agriculture: a review

Impact of climate change on weeds in agriculture: a review

Impact of temperature and germination time on the success of a C4 weed in a C3 crop: Amaranthus retroflexus and spring barley

Hypothetical Standard Screening Bioassays

Contact Info

Product

Resources

About