Performance and Establishment of a Commercial Mycorrhizal Inoculant in Viticulture

Rosa, Daniel José; Pogiatzis, Antreas; Bowen, Pat; Kokkoris, Vasilis; Richards, Andrew; Holland, Taylor; Hart, Miranda M.

doi:10.3390/agriculture10110539

Cited by 12 publications

(10 citation statements)

References 62 publications

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“…Moreover, under field conditions, the fungi could better expand its hyphal network and rapidly colonize plant roots, allowing them to occupy a large proportion of diverse neighboring roots. This affected the colonization, growth ability, and survival of other fungi that naturally occur around the roots [43,44].…”

Section: Discussionmentioning

confidence: 99%

Co-Inoculation of an Endophytic and Arbuscular Mycorrhizal Fungus Improve Growth and Yield of Helianthus tuberosus L. under Field Condition

Khaekhum

Ekprasert

Suebrasri

et al. 2021

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Endophytic fungi (EPF) and arbuscular mycorrhizal fungi (AMF) symbioses can promote the growth and productivity of several types of plants. This work aimed to investigate the effect of co-inoculation of an EPF Exserohilum rostratum NMS1.5 and an AMF Glomus etunicatum UDCN52867 g.5 on the growth and yields of sunchoke (Helianthus tuberosus L.) compared to the effects of full-dose and half-dose chemical fertilizer (15–15–15) under field conditions. Several plant growth parameters of the co-inoculated plants were significantly higher than the other treatments. Remarkably, such an effect was relatively equal to that of the full-dose chemical fertilizers. Moreover, the co-inoculation of EPF and AMF significantly improved the tuber yield production, even better than the use of a chemical fertilizer. This is the first report to show that plant growth promoting effects of the co-inoculation of EPF and AMF were exceptionally greater than those of the chemical fertilizer. Therefore, our EPF and AMF could potentially be used as a biofertilizer for promoting the growth and yield of sunchoke in the fields.

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Section: Discussionmentioning

confidence: 99%

Co-Inoculation of an Endophytic and Arbuscular Mycorrhizal Fungus Improve Growth and Yield of Helianthus tuberosus L. under Field Condition

Khaekhum

Ekprasert

Suebrasri

et al. 2021

JoF

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“…enhanced root nodulation but had no significant effect on grain yield. Similarly, Rosa et al (2020) [ 21 ] showed that inoculation of grapevine rootstocks resulted in increased biomass production only in greenhouse but not in the field. N nutrition via AMF is still under debate.…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, for AMF inoculant industry to thrive, rigorous research must be conducted to provide best practices to the inoculant companies regarding composition, quality, quantity, and application methods of the products [ 19 ]. Although lack of efficacy or negative impacts of AMF inoculation has been reported [ 20 , 21 , 22 ], recent studies conducted under field conditions have shown promising results [ 12 , 23 , 24 , 25 , 26 ].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Arbuscular Mycorrhizal Fungal Inoculant Benchmarks

2020

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Growing evidence showed that efficient acquisition and use of nutrients by crops is controlled by root-associated microbiomes. Efficient management of this system is essential to improving crop yield, while reducing the environmental footprint of crop production. Both endophytic and rhizospheric microorganisms can directly promote crop growth, increasing crop yield per unit of soil nutrients. A variety of plant symbionts, most notably the arbuscular mycorrhizal fungi (AMF), nitrogen-fixing bacteria, and phosphate-potassium-solubilizing microorganisms entered the era of large-scale applications in agriculture, horticulture, and forestry. The purpose of this study is to compile data to give a complete and comprehensive assessment and an update of mycorrhizal-based inoculant uses in agriculture in the past, present, and future. Based on available data, 68 mycorrhizal products from 28 manufacturers across Europe, America, and Asia were examined on varying properties such as physical forms, arbuscular mycorrhizal fungal composition, number of active ingredients, claims of purpose served, mode of application, and recommendation. Results show that 90% of the products studied are in solid formula—powder (65%) and granular (25%), while only 10% occur in liquid formula. We found that 100% of the products are based on the Glomeraceae of which three species dominate among all the products in the order of Rhizophagus irregularis (39%), Funneliformis mosseae (21%), Claroideoglomus etunicatum (16%). Rhizophagus clarus is the least common among all the benchmark products. One third of the products is single species AMF and only 19% include other beneficial microbes. Of the sampled products, 44% contain AMF only while the rest are combined with varying active ingredients. Most of the products (84%) claimed to provide plant nutrient benefits. Soil application dominates agricultural practices of the products and represents 47%. A substantial amount of the inoculants were applied in cereal production. Recommended application doses varied extensively per plant, seed and hectare. AMF inoculant seed coating accounted for 26% of the products’ application and has great potential for increased inoculation efficiency over large-scale production due to minimum inoculum use. More applied research should also be conducted on the possible combination of AMF with other beneficial microbes.

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“…Alternatively, changes to plant performance could be due to direct effects of the bioinoculant. For example, the same isolate of fungi can be beneficial on some plant genotypes (Oliveira et al, 2017;Garg and Singh, 2018;Le Pioufle et al, 2019), negative on others (Janoušková et al, 2013;Symanczik et al, 2015;Loján et al, 2017), or have no effect on yet others (Rosa et al, 2020). This is particularly true for microbes with strict host requirements, such as rhizobia (Rebah et al, 2002;Sanz-sáez et al, 2015;Adissie et al, 2020).…”

Section: Does Inoculation Affect Plant Performance?mentioning

confidence: 99%

Do Bioinoculants Affect Resident Microbial Communities? A Meta-Analysis

et al. 2021

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There is a global industry built upon the production of “bioinoculants,” which include both bacteria and fungi. The recent increase in bioinoculant uptake by land users coincides with a drive for more sustainable land use practices. But are bioinoculants sustainable? These microbes are believed to improve plant performance, but knowledge of their effect on resident microbial communities is scant. Without a clear understanding of how they affect soil microbial communities (SMC), their utility is unclear. To assess how different inoculation practices may affect bioinoculant effects on SMC, we surveyed the existing literature. Our results show that bioinoculants significantly affect soil microbial diversity and that these effects are mediated by inoculant type, diversity, and disturbance regime. Further, these changes to soil microbes affect plant outcomes. Knowledge that these products may influence crop performance indirectly through changes to soil microbial diversity attests to the importance of considering the soil microbiome when assessing both bioinoculant efficacy and threats to soil ecosystems.

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Performance and Establishment of a Commercial Mycorrhizal Inoculant in Viticulture

Cited by 12 publications

References 62 publications

Co-Inoculation of an Endophytic and Arbuscular Mycorrhizal Fungus Improve Growth and Yield of Helianthus tuberosus L. under Field Condition

Co-Inoculation of an Endophytic and Arbuscular Mycorrhizal Fungus Improve Growth and Yield of Helianthus tuberosus L. under Field Condition

Analysis of Arbuscular Mycorrhizal Fungal Inoculant Benchmarks

Do Bioinoculants Affect Resident Microbial Communities? A Meta-Analysis

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