Occurrence of<i>Glomeromycota</i>spores and some arbuscular mycorrhiza fungal species in arable fields in Sweden

Sjöberg, Johanna; Persson, Paula; Mårtensson, Anna; Mattsson, Leif; Adholeya, Alok; Alström, Sadhna

doi:10.1080/09064710410030294

Cited by 11 publications

(9 citation statements)

References 33 publications

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“…The number of AM fungal spores recovered from the soil was within the range of spore densities found in other cultivated agricultural soils, both conventionally and organically managed, [67]- [70]. However, it is also clear from our results that the application of organic fertilizers does not necessarily result in large numbers of AM fungal spores in absolute terms.…”

Section: Discussionsupporting

confidence: 78%

The Influence of Bioproducts on Mycorrhizal Occurrence and Diversity in the Rhizosphere of Strawberry Plants under Controlled Conditions

Sas-Paszt¹,

Malusà²,

Sumorok³

et al. 2015

AiM

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The new products obtained from natural resources are an alternative to methods based on traditional mineral fertilizers, which are destructive for soil mycorrhizal communities. Our experiment was carried out to evaluate the effect of organic fertilizers and amendments of very diverse composition on mycorrhizal abundance and diversity, as well as on root growth, in strawberry plants cv. "Honeoye". The plants were grown in rhizoboxes filled with a podsolic soil. The plants were treated with granulated bovine manure, vermicompost extract, humates extract, plant extract, extract from seaweed species reinforced with humic and fulvic acids, a consortium of beneficial soil organisms, a stillage from yeast production and a solution of titanium. Plants treated with products and the microorganisms consortium also received half dose of manure. A standard mineral fertilization (NPK) and an unfertilized control were also included. The bioproducts based on humus-like substances and the yeast stillage had the greatest positive influence on the colonization of roots by arbuscular mycorrhizal fungi (AMF). The different treatments affected the diversity of AMF species present in the rhizospheric soil. All organic products, even though providing a significantly low amount of nutrients, enhanced root growth characteristics in comparison to the mineral fertilization.

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Section: Discussionsupporting

confidence: 78%

The Influence of Bioproducts on Mycorrhizal Occurrence and Diversity in the Rhizosphere of Strawberry Plants under Controlled Conditions

Sas-Paszt¹,

Malusà²,

Sumorok³

et al. 2015

AiM

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“…This is lower than the 8 to 20 species that are usually reported for arable lands (LAND and SCHÖNBECK 1991, DOUDS and MILLNER 1999, FITTER, 2001, JANSA et al 2002. However, the AMF diversity in the present study is within ranges observed for a site by ANANTHAKRISHNAN et al (2004) andSJÖBERG et al (2004). VALSALAKUMAR et al (2007) also reported very low AMF diversities of one to three taxa for the 21 sampling locations under Phaseolus aureus cultivation in Tamil Nadu and Karnataka of South India.…”

Section: Discussionsupporting

confidence: 76%

Arbuscular mycorrhizal and dark septate fungal associations in shallot (Allium cepa L. var. aggregatum) under conventional agriculture

Priyadharsini¹,

Pandey²,

Muthukumar³

2012

Acta Botanica Croatica

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-We examined roots of the shallot (Allium cepa L. var. aggregatum), one of the most popular cultivated crops of the family Aliaceae, cultivated under conventional agriculture for arbuscular mycorrhizal fungal (AMF) and dark septate fungal endophyte (DSE) associations. All the plants had dual colonization of both AMF and DSE associations. The intermediate-type AMF morphology in the shallot is the first report of this AMF type for the family Aliaceae. The extents of total AMF and DSE colonization ranged from 20.7 to 67.3% and 3.6 to 35.3% respectively and varied significantly among fields. Though no significant relationship existed between total AMF and DSE variables, they were correlated to the soil variables. Significant correlations existed between soil P and microscelerotia and also between soils N and K and AMF spore numbers. A total of six AMF spore morphotype belonging to Glomus and Scutellospora were identified. Scutellospora calospora was the most dominant morphotype in the studied fields.

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“…For example, Helgason et al (1998) found a dominance of F. mosseaeor closely related species, whereas Daniell et al (2001) mostly found Funneliformis caledonium-Funneliformis geosporum sequences. The dominance of Glomeraceae species has also been reported in studies based on spore morphology, F. mosseae being the most frequently observed species (Oehl et al2003;Cheng and Baumgartner 2004;Sjöberg et al 2004;Wang et al 2008). In other studies, instead, G. intraradices was reported as the dominant species especially in heavy textured agricultural soils (Mathimaran et al 2005;Hijri et al 2006).…”

Section: Agricultural Practice Impacts Amf Distributionmentioning

confidence: 60%

Effects of different management practices on arbuscular mycorrhizal fungal diversity in maize fields by a molecular approach

et al. 2012

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Effects of different management practices on arbuscular mycorrhizal fungal diversity in maize fields by a molecular approach / R. Borriello; E. Lumini; M. Girlanda; P. Bonfante; V. Bianciotto. AbstractAs obligate mutualistic symbionts, arbuscular mycorrhizal fungi (AMF) colonize the roots of many agricultural crops, and it is often claimed that agricultural practices are detrimental to AMF. As a result, agroecosystems impoverished in AMF may not get the fully expected range of benefits from these fungi. Using molecular markers on DNA extracted directly from soil and roots, we studied the effects of different management practices (tillage and N fertilization) on the AMF communities colonizing an experimental maize field in Central Italy. Our molecular analysis based on three different nuclear rRNA regions (18S, 28S and ITS) allowed us to assess AMF biodiversity. Glomeraceae members were the main colonizer, and they co-occurred with Gigasporaceae and Paraglomus regardless of the management practices applied. Diversisporaceae and Entrophosporaceae members were instead detected in the N-fertilized soils and in the untreated soil, respectively. The results obtained indicated that the general AMF assemblages structure and composition in the maize field plots appear to be primarily influenced by N fertilization and, to a lesser extent, by tillage. This study also validates the usefulness of multiple molecular markers to consolidate and refine the assessment of the environmental AMF diversity.

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Occurrence ofGlomeromycotaspores and some arbuscular mycorrhiza fungal species in arable fields in Sweden

Cited by 11 publications

References 33 publications

The Influence of Bioproducts on Mycorrhizal Occurrence and Diversity in the Rhizosphere of Strawberry Plants under Controlled Conditions

The Influence of Bioproducts on Mycorrhizal Occurrence and Diversity in the Rhizosphere of Strawberry Plants under Controlled Conditions

Arbuscular mycorrhizal and dark septate fungal associations in shallot (Allium cepa L. var. aggregatum) under conventional agriculture

Effects of different management practices on arbuscular mycorrhizal fungal diversity in maize fields by a molecular approach

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