Native Plant Establishment Success Influenced by Spotted Knapweed (Centaurea stoebe) Control Method

Martin, Laurelin M.; MacDonald, Neil W.; Brown, Tami E.

doi:10.3368/er.32.3.282

Cited by 4 publications

(22 citation statements)

References 75 publications

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“…Similar compensatory increases in non‐native grasses occurred with clopyralid, a forb‐specific herbicide to control Centaurea maculosa (Martin et al. ). Non‐native forbs that increased in this study were annual weeds such as Lepidium densiflorum and Medicago lupulina and perennial invasive species such as Cirsium arvense and Centaurea maculosa .…”

Section: Discussionmentioning

confidence: 75%

“…; Martin et al. ). The common targeted approach to control non‐native plants may not always be effective, either ecologically or economically.…”

Section: Introductionmentioning

confidence: 97%

“…The response of native plants to management is not well known for most methods. Non-native control methods may only be detrimental to native species in the short term and dependent on timing of management application (Adams et al 2014;Martin et al 2014;Kaiser-Bunbury et al 2015;Munson et al 2015). Simple and cost-effective methods with low effect on native species and high control of non-native species are needed.…”

Section: Introductionmentioning

confidence: 99%

“…Others report herbicides can control target species, but have few positive effects on non-target native species (Dickens et al 2016). Non-target plant community level responses to herbicide during restoration are understudied although this information is needed to evaluate the trade-offs between target and non-target species where restoration is the goal (Skurski et al 2013;Martin et al 2014). The common targeted approach to control nonnative plants may not always be effective, either ecologically or economically.…”

Section: Introductionmentioning

confidence: 99%

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Glyphosate, steam and cutting for non‐native plant control in Alberta fescue grassland restoration

Stover

Naeth

Wilkinson

2017

Applied Vegetation Science

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Question What are the effects of cutting, glyphosate application and steam application on abundance and diversity of non‐native grasses and forbs and non‐target native grasses and forbs in restoration of a complex disturbed fescue grassland? Location Waterton Lakes National Park, Alberta, Canada. Methods Cutting, glyphosate application and steam application treatments were implemented at three disturbed sites in an incomplete block design with a control. Plant communities were evaluated for four growing seasons, one before and three after management treatment implementation. Results Glyphosate reduced non‐native grass cover for three growing seasons following application and non‐native forbs for one growing season. Glyphosate led to significant increases in non‐native forb cover, more than double pre‐existing values 2 and 3 yr after application. Native species abundance and diversity were more negatively impacted by glyphosate on sites with higher abundance and diversity prior to management treatments. Low frequency cutting over 2 yr did not consistently control non‐native species, steam reduced non‐native grass cover at the most heavily invaded site. Conclusions Site‐specific conditions must be considered to develop effective control methods for non‐native species. No treatment effectively re‐established native grassland communities. Glyphosate application reduced non‐native grasses, but not non‐native forbs. When native forbs were abundant prior to management, glyphosate reduced them. Steam may have potential and should be further investigated. This is one of only a few studies to investigate methods to manage multiple non‐native species occurring with native species, rather than management of a single undesirable species, and is the first to assess steam as a management option for native grasslands.

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Section: Discussionmentioning

confidence: 75%

“…; Martin et al. ). The common targeted approach to control non‐native plants may not always be effective, either ecologically or economically.…”

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Glyphosate, steam and cutting for non‐native plant control in Alberta fescue grassland restoration

Stover

Naeth

Wilkinson

2017

Applied Vegetation Science

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“…土壤氮含量是陆生植物生长的主要限制因素 (Chapin et al,1986;Elser et al, 2010) (Feng et al, 2009;Peltzer et al, 2010)。因此, 土壤氮可利用性能够影响种间竞争能力。可利用性资源的增加能促进外来植物入侵 (He et al, 2012)。入侵植物一般具有较高的硝酸还原酶活性 , 因此多具有嗜氮性和较高的氮利用效率 (Feng et al, 2009;Penuelas et al, 2009;Peltzer et al, 2010), 往往能够耐受更贫瘠的土壤环境, 常表现为较快的生长速度和较强的竞争能力 (Callaway et al, 2004;Bradley et al, 2010), 其种间竞争能力随氮元素浓度的变化而变化 (Tilman et al, 1982;Grime, 2001;Peltzer et al, 2010)。可见, 与本地植物种相比, 入侵植物表现出更强的氮利用性优势。工业革命以来, 全球范围的大气氮沉降速率逐步加快 (Reay et al, 2008;Maskell et al, 2010), 不断提高土壤可利用性氮水平, 已经造成许多地区土壤氮的富营养化 (Kardol et al, 2010;Garcia et al, 2011), 严重影响了陆地生态系统的生产力和稳定性 (Phoenix et al, 2006;谢迎新等, 2010) (He et al, 2012;Martin et al, 2014;Mráz et al, 2014) (He et al, 2012), C. stoebe种群在不同入侵地的竞争能力和竞争效果差异显著 (Ridenour et al, 2008;Reinhart & Rinella, 2011) …”

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Simulated nitrogen deposition influences the growth and competitive ability of Centaurea stoebe populations

Yang¹,

Peihao²,

Li³

2016

Chinese Journal of Plant Ecology

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Aims Soil nitrogen (N) availability is the most limiting factor for terrestrial plant growth, and global N deposition can improve the soil N availability. Fast growth may be a general trait of successful invaders, so learning how N addition affected the growth and competitive ability of three Centaurea stoebe populations is conductive to forecasting the plant invasion risk under N deposition. Methods We conducted an experiment simulating N deposition at Chengdu, in which three populations from the invasive forb C. stoebe and one native species Poa pratensis were subjected to two treatments: N addition and ambient. In our study, C. stoebe populations and P. pratensis were planted alone or together, and we determined plant height, leaf area and biomass. Important findings In the absence of competition, N addition promoted the growth of C. stoebe populations, thereby improving their invasive potential to a certain extent. So under the condition of competition, we found that N addition obviously enhanced the competitive effects of C. stoebe on P. pratensis, particularly interspecific root competition. The competitive ability of different populations performed similarly in response to N addition. These results preliminarily suggest that N deposition may increase the potential invasion risks of C. stoebe populations by improving their competitive ability. Key words nitrogen deposition; invasive plants; competitive effects; competitive responses; relative interaction intensity Citation: Peng Y, Peng PH, Li JJ (2016). Simulated nitrogen deposition influences the growth and competitive ability of Centaurea stoebe populations.

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Restoration of native‐dominated plant communities on a Centaurea stoebe‐infested site

MacDonald

Dykstra

Martin

2019

Applied Vegetation Science

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Questions:Restoring native-dominated plant communities often requires controlling invasive species, reintroducing native species, and implementing continued management practices. Can single herbicide applications to control Centaurea stoebe L. encourage establishment of seeded native species more effectively than a single mowing? Can annual hand pulling to control C. stoebe favor the persistence of seeded native species?Can mid-spring burning reduce C. stoebe and increase native forbs and grasses? After eight years, will the restored plant communities differ from those in untreated areas?Location: Bass River Recreation Area, Ottawa County, MI, USA. Methods:We studied the effects of site preparation (mowing, clopyralid, glyphosate), hand pulling of C. stoebe, and burning on restoring native plant communities on a C. stoebe-infested site. Over eight years, we quantified the development of the plant communities on plots seeded with native grasses and forbs, and report on the second four years here.Results: Native-dominated plant communities developed using both herbicides, but while clopyralid provided longer control of C. stoebe, clopyralid-treated plots had fewer native species than glyphosate-treated plots. Native-dominated plant communities also developed on plots that were only mowed once before seeding, achieving similar native species richness as the glyphosate treatment. Hand pulling controlled C. stoebe, burning increased relative cover of native graminoids and decreased that of non-native grasses, and hand pulling and burning in combination increased relative cover of native forbs. After eight years, the restored plant communities had greater native species cover and richness and higher mean Coefficient of Conservatism, Floristic Quality Index, and Shannon's Diversity Index values than untreated areas. Conclusions: Site preparation, seeding, hand pulling of C. stoebe, and annual burning facilitated restoration of native-dominated plant communities on a C. stoebe-infested site. Effects accumulated over a period of eight years, illustrating the importance of continued management and monitoring as part of similar restoration efforts. Additional supporting information may be found online in the Supporting Information section at the end of the article. Appendix S1. Aerial view of the study site, showing the four experimental blocks of 12 5-m × 5-m plots each. Appendix S2. Frequency of occurrence and mean relative percent cover of common and seeded species. Appendix S3. Plant cover, diversity, and floristic quality data. Appendix S4. Knapweed lifestage density data.

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Native Plant Establishment Success Influenced by Spotted Knapweed (Centaurea stoebe) Control Method

Cited by 4 publications

References 75 publications

Glyphosate, steam and cutting for non‐native plant control in Alberta fescue grassland restoration

Glyphosate, steam and cutting for non‐native plant control in Alberta fescue grassland restoration

Simulated nitrogen deposition influences the growth and competitive ability of Centaurea stoebe populations

Restoration of native‐dominated plant communities on a Centaurea stoebe‐infested site

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