A review of garlic mustard (<i>Alliaria petiolata</i>, Brassicaceae) as an allelopathic plant

Cipollini, Don; Cipollini, Kendra

doi:10.3159/torrey-d-15-00059

Cited by 40 publications

(39 citation statements)

References 58 publications

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“…, Cipollini and Gruner , Rodgers et al. , Cipollini and Cipollini ). White‐tailed deer, in particular, appear to selectively avoid Alliaria (Knight et al.…”

Section: Discussionmentioning

confidence: 98%

“…Expansion of A. petiolata into native communities has been attributed to several traits that may act as niche differences or fitness differences, including early phenology compared with native herbs (Engelhardt and Anderson , Smith and Reynolds ), high levels of seed production and germination rates (Rodgers et al. , Eschtruth and Battles , Dornbush and Hahn ), allelopathic inhibition of native mycorrhizae by secondary leaf leachates and root exudates (Cipollini and Cipollini ), phenotypic plasticity in phenology and reproductive allocation (Byers and Quinn , Meekins and McCarthy ), and selective avoidance by native herbivores, particularly white‐tailed deer ( Odocoileus virginianus , Zimmerman; Dornbush and Hahn , Knight et al. , Eschtruth and Battles , ).…”

Section: Methodsmentioning

confidence: 99%

“…, Poon and Maherali ). In the case of allelopathy, additional treatments are often included which also expose target plants to the putatively allelopathic compounds in the absence of the source plant (reviewed in Cipollini and Cipollini ). While such studies can demonstrate the potential importance of specific traits or mechanisms to the success of a particular non‐native plant, the relevance of such traits or mechanisms in natural communities may be quite different.…”

Section: Introductionmentioning

confidence: 99%

“…While such studies can demonstrate the potential importance of specific traits or mechanisms to the success of a particular non‐native plant, the relevance of such traits or mechanisms in natural communities may be quite different. For example, experimental investigations of allelopathic compounds associated with Alliaria petiolata have consistently demonstrated inhibition of mycorrhizal fungi and their host plants, particularly woody seedlings, by Alliaria tissues and extracts (reviewed in Cipollini and Cipollini ; e.g., Prati and Bossdorf , Wolfe et al. , Lankau , Cantor et al.…”

Section: Introductionmentioning

confidence: 99%

“…In natural communities, however, the effects of allelopathy can be attenuated by a number of mechanisms, including variation in allelopathic compound production among source populations (Lankau ), variation in effectiveness against different target plant species (Prati and Bossdorf , Lankau et al. , Cipollini and Cipollini ) and in soil from different regions (Callaway et al. ), and development of resistance by soil biota (Lankau et al.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of the non‐native herbAlliaria petiolatawith dominant native herbs in microhabitats of a Midwestern forest

et al. 2019

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A mechanistic understanding of the causes of naturalization in terrestrial plant communities, and the consequences for associated ecosystems, relies on understanding whether and how native and non‐native plant traits differ. Traits of non‐native plants may either help them compete or avoid competition with natives, and depending on their interaction with the native community, the non‐native may act as more or less of an active driver vs. a passive passenger of change in the native ecosystem. Trait comparisons between native and non‐native plants are often laboratory‐based, providing insights that can be difficult to apply to natural communities. Studies of the impacts of non‐native plants, by contrast, are generally performed in natural communities, but usually do not compare observed impacts of the non‐natives with those exerted by dominant natives on each other and the community. Thus, the likely relative disruption of the non‐native to the community is unclear. In a four‐year observational study conducted at the microhabitat scale in the herbaceous layer of a Midwestern oak forest, we compared the non‐native herb Alliaria petiolata (garlic mustard) with dominant native herbaceous species in terms of correlational patterns related to three broad categories of traits: (1) environmental correlates (light, topography, soil nutrients) with presence and cover, (2) inter‐annual regeneration and phenology, and (3) associations with other species (competition and herbivory). We found that Alliaria differed strongly from dominant native herbs in all three categories. Compared with native herbs, Alliaria was more strongly associated with south‐facing slopes and high nutrient levels, displayed earlier phenology and enhanced dispersal ability, and was strongly avoided by the generalist native herbivore, Odocoileus virginianus (white‐tailed deer). Despite well‐described allelopathic effects of Alliaria on mycorrhizae and mycorrhizal plants, we found little evidence to suggest that Alliaria had negative interactions with native plants that were stronger than those of native community members. Overall, our data suggest that naturalization of Alliaria in this site is primarily due to differences from native plants in phenology, dispersal capability, and avoidance of herbivory, and that Alliaria is therefore more likely to be acting as a passenger than as a driver of change in our site.

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“…, Cipollini and Gruner , Rodgers et al. , Cipollini and Cipollini ). White‐tailed deer, in particular, appear to selectively avoid Alliaria (Knight et al.…”

Section: Discussionmentioning

confidence: 98%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of the non‐native herbAlliaria petiolatawith dominant native herbs in microhabitats of a Midwestern forest

et al. 2019

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The Potential Role of Allelopathy in the Persistence of Invasive Weeds

Latif

Gurusinghe

Weston

2022

Persistence Strategies of Weeds

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Soil microbial communities are not altered by garlic mustard in recently invaded central Illinois forests

2022

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The invasive forest plant garlic mustard (Alliaria petiolata) has been shown to alter soil microbial communities in the northeastern part of its invaded range in the United States, and this disruption of soil communities may contribute to its invasion success. However, garlic mustard allelochemistry can vary with invasion age, and it is not clear whether garlic mustard's impacts on soil microbes are consistent over its invaded range. Here, we compare the composition and diversity of soil fungal, bacterial, and archaeal communities among garlic mustard present, absent, and removed treatments in replicated blocks across five forests in the midwestern United States with relatively young garlic mustard invasions (approximately 17-26 years old, with consistent management). We collected samples in May and August, corresponding to garlic mustard active and senescent life history stages. While soil fungal and bacterial/ archaeal communities (based on ITS2 region and 16S rRNA gene DNA sequencing, respectively) differed significantly between different blocks/forests and over time, we found no significant effect of garlic mustard treatment on soil microbial community composition or the relative abundance of mycorrhizal, saprotrophic, or pathogenic fungal guilds. The lack of garlic mustard impacts on the soil microbial community in recently invaded central Illinois forests suggests that these well-documented impacts in the northeastern United States and in older invasions cannot necessarily be generalized across all environmental contexts.

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A review of garlic mustard (Alliaria petiolata, Brassicaceae) as an allelopathic plant

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 40 publications

References 58 publications

Comparison of the non‐native herbAlliaria petiolatawith dominant native herbs in microhabitats of a Midwestern forest

Comparison of the non‐native herbAlliaria petiolatawith dominant native herbs in microhabitats of a Midwestern forest

The Potential Role of Allelopathy in the Persistence of Invasive Weeds

Soil microbial communities are not altered by garlic mustard in recently invaded central Illinois forests

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