A field test of commercial soil microbial treatments on native grassland restoration

Perkins, Lora B.; Bennett, Joe

doi:10.1111/rec.12639

Cited by 8 publications

(3 citation statements)

References 23 publications

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“…While the above research highlights improvements in restoration response to native mycorrhizae, restoration outcomes have been shown to benefit less from commercial mycorrhizal inoculum products. Late successional plants have been shown to be inhibited by commercial fungi (Middleton et al ; Emam ) and commercial fungi have been shown to have little effect on reducing soil erosion (Vogelsang & Bever ), native plant richness (Perkins & Bennett ), or cover (White et al ; Ohsowski et al ). Commercial inoculum products may fail because many AM fungal species that are commercially available are likely highly abundant in disturbed, post‐agricultural, and early successional soils (Koziol et al ).…”

Section: Introductionmentioning

confidence: 99%

Native plant abundance, diversity, and richness increases in prairie restoration with field inoculation density of native mycorrhizal amendments

Koziol

Crews

Bever

2020

Restoration Ecology

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Ecological restoration efforts can increase the diversity and function of degraded areas. However, current restoration practices cannot typically reestablish the full diversity and species composition of remnant plant communities. Restoration quality can be improved by reintroducing key organisms from the native plant microbiome. In particular, root symbionts called arbuscular mycorrhizal (AM) fungi are critical in shaping grassland communities, but are sensitive to anthropogenic disturbance, which may pose a problem for grassland restoration. Studies of mycorrhizal amendments include inoculation densities of 2–10,000 kg of inocula per hectare. These studies report variable results that may depend on inocula volume, composition, or nativeness. Here we test eight different densities of native AM fungal amendment, ranging from 0 to 8,192 kg/ha in a newly installed prairie restoration. We found that native plant establishment benefited from native mycorrhizal inocula, resulting in improvements in native plant abundance, richness, and community diversity. Moreover, the application of very low densities of native mycorrhizal inocula, as suggested on commercial mycorrhizal products, were ineffective, and higher concentrations were required to benefit native plant abundance and community diversity. These data suggest that higher densities of mycorrhizal amendment or perhaps alternative distribution methods may be required to maximize benefits of native mycorrhizal amendments in restoration practices.

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Section: Introductionmentioning

confidence: 99%

Native plant abundance, diversity, and richness increases in prairie restoration with field inoculation density of native mycorrhizal amendments

Koziol

Crews

Bever

2020

Restoration Ecology

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“…Soil conditions may also be addressed more directly by influencing soil chemical and physical factors, such as increasing soil organic matter ( Viall et al 2014 ) or by inoculating soils with microbial communities ( Johnson 1998 ). The latter has shown promise in some grassland circumstances ( Rowe et al 2007 ;Perkins and Bennett 2018 ;Rowe et al 2009 ;Middleton and Bever 2012 ;Emam 2016 ), although responsiveness varies among species. Including arbuscular mycorrhizal fungi during site preparation and seeding has also shown promise in promoting the recovery of desirable grassland plant species ( Koziol and Bever 2017 ), but these methods are still in development.…”

Section: Soil Conditionsmentioning

confidence: 99%

Managing invasive plants on Great Plains grasslands: A discussion of current challenges

Gaskin

Espeland

Johnson³

et al. 2021

Rangeland Ecology & Management

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The Great Plains of North America encompass approximately 1,30 0,0 0 0 km 2 of land from Texas to Saskatchewan. The integrity of these lands is under continual assault by long-established and newlyarrived invasive plant species, which can threaten native species and diminish land values and ecological goods and services by degrading desired grassland resources. The Great Plains are a mixture of privately and publicly owned lands, which leads to a patchwork of varying management goals and strategies for controlling invasive plants. Continually updated knowledge is required for efficient and effective management of threats posed by changing environments and invasive plants. Here we discuss current challenges, contemporary management strategies, and management tools and their integration, in hopes of presenting a knowledge resource for new and experienced land managers and others involved in making decisions regarding invasive plant management in the Great Plains.

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“…In addition to drought-stress tolerance, studies have found promising results by using AMF and other biofertilizers to reduce environmental stresses such as salinity and heavy metal accumulations [ 22 , 23 , 24 ]. Due to this, AMF have been gaining interest and are regularly used as a restoration tool, particularly in forested systems [ 25 , 26 , 27 , 28 ]. AMF can be particularly important in ecosystems with a history of disturbance with a degraded local AMF propagule density [ 26 , 29 ].…”

Section: Introductionmentioning

confidence: 99%

Response of Sagebrush Steppe Grass Species to AMF Inoculum Sources and Biochar

2023

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The sagebrush steppe has presented increasing levels of degradation. The addition of arbuscular mycorrhizal fungi (AMF) and biochar have been suggested to restore ecosystems. However, little is known about their effects on sagebrush steppe plants. We tested three sources of AMF inoculum: soil from a disturbed site (Inoculum A), soil from an undisturbed site (Inoculum B), and commercial inoculum (Inoculum C), all with and without biochar, to test if they could mediate growth of Pseudoroegneria spicata (native perennial), Taeniatherum caput-medusae (early seral; exotic annual) and Ventenata dubia (early seral; exotic annual) under greenhouse conditions. We measured AMF colonization and biomass. We hypothesized that the plant species would be differently affected by the inoculum types. The colonization of T. caput-medusae and V. dubia was greatest when inoculated with Inoculum A (38.8% and 19.6%). In contrast, the colonization of P. spicata was greatest with Inoculum B and Inoculum C (32.1% and 32.2). Biochar decreased biomass production but increased colonization with Inoculum A for P. spicata and V. dubia and with Inoculum C for T. caput-medusae. This study reveals the response of early and late seral sagebrush steppe grass species to contrasting sources of AMF and suggests that late seral plant species respond better to late seral inocula.

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A field test of commercial soil microbial treatments on native grassland restoration

Cited by 8 publications

References 23 publications

Native plant abundance, diversity, and richness increases in prairie restoration with field inoculation density of native mycorrhizal amendments

Native plant abundance, diversity, and richness increases in prairie restoration with field inoculation density of native mycorrhizal amendments

Managing invasive plants on Great Plains grasslands: A discussion of current challenges

Response of Sagebrush Steppe Grass Species to AMF Inoculum Sources and Biochar

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