Formulations of arbuscular mycorrhizal fungi inoculum applied to soybean and corn plants under controlled and field conditions

Barazetti, André Riedi; Simionato, Ane Stéfano; Navarro, Miguel Octavio Pérez; Santos, Igor Matheus Oliveira dos; Modolon, Flúvio; Andreata, Matheus Felipe de Lima; Liuti, Gabriel; Cely, Martha Viviana Torres; Chryssafidis, Andréas Lazaros; Dealis, Mickely Liuti; Andrade, Galdino

doi:10.1016/j.apsoil.2019.05.015

Cited by 20 publications

(7 citation statements)

References 29 publications

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“…The rhizosphere is the habitat for a large community of microorganisms in the thin substrate of the soil near the roots [19], where most of the interactions between beneficial microorganisms and plant roots are found [20]. More than 80% of terrestrial plants show symbiosis with arbuscular mycorrhizal fungi (AMF) belonging to the phylum Glomeromycota.…”

Section: Introductionmentioning

confidence: 99%

Arbuscular Mycorrhizal Fungi and Fertilization Influence Yield, Growth and Root Colonization of Different Tomato Genotype

Felföldi

Vidican

Stoian

et al. 2022

Plants

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Arbuscular mycorrhizal fungi (AMF) are beneficial for plant development and help absorb water and minerals from the soil. The symbiosis between these fungi and plant roots is extremely important and could limit crop dependence on fertilizers. The aim of this study was to evaluate the influence of AMF on tomatoes (Solanum lycopersicum L.), based on important agronomic traits of vegetative biomass, production, and fruits. The experiment was conducted in high tunnels, using 12 tomato genotypes under three different treatments: T1, control, without fertilizer and mycorrhizae colonization; T2, fertigation, without mycorrhizae colonization; and T3, arbuscular mycorrhizal fungi (AMF), seedling roots being inoculated with specialized soil-borne fungi. Plant growth, yield and fruit parameters indicated better results under mycorrhizal treatment. Root colonization with fungi varied significantly depending on the treatment and genotype, with a variation of 6.0–80.3% for frequency and 2.6–24.6% for intensity. For a majority of characteristics, the mycorrhization (T3) induced significant differences compared with the T1 and T2 treatments. In addition, AMF treatment induced a different response among the genotypes. Among the elements analyzed in the soil, significant differences were observed in phosphorous levels between planting the seedlings and after tomato harvesting and clearing of the plants. The results suggest that reducing fertilizers and promoting the symbiotic relationships of plants with soil microorganisms may have beneficial consequences for tomato crops.

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Section: Introductionmentioning

confidence: 99%

Arbuscular Mycorrhizal Fungi and Fertilization Influence Yield, Growth and Root Colonization of Different Tomato Genotype

Felföldi

Vidican

Stoian

et al. 2022

Plants

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“…Mycorrhizae can effectively improve the uptake of elements such as C, N, and P by plants, thereby promoting their growth and development ( van der Heijden et al, 2015 ). For example, AMF can improve and enhance nutrient uptake in plants such as Medicago truncatula ( Wipf et al, 2014 ), Leguminosae ( Yang et al, 2016 ), and cereal crops ( Barazetti et al, 2019 ). Various nutrients and minerals required by orchids during growth can be provided directly by mycorrhizal fungi ( Yang et al, 2016 ).…”

Section: Discussionmentioning

confidence: 99%

“…The symbiotic relationship between orchid plants and mycorrhizal fungi enables the plants to acquire a significant amount of microbial elements, including N, P, K, and other nutrients, from their surroundings. In particular, the presence of arbuscular mycorrhizal fungi (AMF) has been found to enhance the growth and nutrient absorption capabilities of plants, such as N, P, and other essential nutrients ( Barazetti et al, 2019 ). Previous studies have demonstrated that when soybean and other leguminous plants are inoculated with arbuscular mycorrhizal fungi (AMF) in soils contaminated with heavy metals, it can lead to inhibition of metal absorption, reduction of their toxicity, and enhancement of metal tolerance ( Antunes et al, 2006 ; Babajide et al, 2008 ; Suri and Choudhary, 2013 ).…”

Section: Introductionmentioning

confidence: 99%

An exploration of mechanism of high quality and yield of Gastrodia elata Bl. f. glauca by the isolation, identification, and evaluation of Mycena

Yu,

Liu,

Gao

et al. 2023

Front. Microbiol.

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Gastrodia elata Bl. f. glauca is an important traditional Chinese medicinal plant. The yield and quality of Gastrodia elata Bl. have significantly decreased due to multigenerational asexual reproduction. Therefore, it is necessary to have sexual reproduction of Gastrodia elata Bl. to supplement the market supply. Seeds of G. elata Bl. have no endosperm, and their sexual reproduction depends on the nutrients provided by the embryo cells infected by Mycena fungi to complete seed germination. However, Mycena fungi are small and have many species, and not all Mycena fungi can promote the germination of G. elata Bl. seeds. Therefore, it is of great significance to isolate and identify suitable germination fungi and explore the mechanism for improving the production performance and yield, and quality of G. elata Bl. Six closely related Mycena isolates, JFGL-01, JFGL-02, JFGL-03, JFGL-04, JFGL-05, and JFGL-06, were isolated from the leaves and protocorms of G. elata Bl. f. glauca and were identified as Mycena purpureofusca. The mycelial state and number of germinating protocorms were used as indicators to preferentially select Mycena fungi, and it was concluded that JFGL-06 had the best mycelial state and ability to germinate G. elata Bl. seeds. Finally, a mechanism to increase the yield of G. elata Bl. was explored by comparing the changes in nutrient elements and microbial diversity in the soil around G. elata Bl. with different strains. JFGL-06 proved to be an excellent Mycena fungal strain suitable for G. elata Bl. f. glauca. Compared with the commercial strain, JFGL-06 significantly increased the C, N, Na, Mg, S, Cl, K, Ca, and Fe contents of the soil surrounding the protocorms of G. elata Bl. f. glauca. JFGL-06 improved the composition, diversity, and metabolic function of the surrounding soil microbial community of G. elata Bl. f. glauca protocorms at the phylum, class, and genus levels, significantly increased the relative abundance of bacteria such as Acidobacteria and fungi such as Trichoderma among the dominant groups, and increased the abundance of functional genes in metabolic pathways such as nucleotide metabolism and energy metabolism. There was a significant reduction in the relative abundance of bacteria, such as Actinomycetes, and fungi, such as Fusarium, in the dominant flora, and a reduced abundance of functional genes, such as amino acid metabolism and xenobiotic biodegradation and metabolism. This is the main reason why the JFGL-06 strain promoted high-quality and high-yield G. elata Bl. f. glauca in Changbai Mountain.

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“…AMF can be particularly important in ecosystems with a history of disturbance with a degraded local AMF propagule density [ 26 , 29 ]. However, questions remain concerning AMF, regarding such topics as colonization and growth [ 30 , 31 , 32 , 33 ]. It is also of concern if the application of AMF inoculum can benefit undesired or invasive plant species [ 34 ].…”

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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Formulations of arbuscular mycorrhizal fungi inoculum applied to soybean and corn plants under controlled and field conditions

Cited by 20 publications

References 29 publications

Arbuscular Mycorrhizal Fungi and Fertilization Influence Yield, Growth and Root Colonization of Different Tomato Genotype

Arbuscular Mycorrhizal Fungi and Fertilization Influence Yield, Growth and Root Colonization of Different Tomato Genotype

An exploration of mechanism of high quality and yield of Gastrodia elata Bl. f. glauca by the isolation, identification, and evaluation of Mycena

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

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