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This research was supported by the FACCE-JPI project GreenRice (Sustainable and environmental friendly rice cultivation systems in Europe, ref. 618105), funded by the Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), and project RTI2018-101275-B-I00 funded by the Ministerio de Ciencia, Innovacion y Universidades (MCIU)-Agencia Estatal de Investigacion (AEI)and Fondo Europeo de Desarrollo Regional (FEDER).. We also acknowledge support from the CERCA Programme (Generalitat de Catalunya), and the Severo Ochoa Programme for Centres of Excellence in R&D 2016-2019 (SEV-2015-0533).

Analysis of institutional authors

Pla, EAuthorCatala-Forner, MAuthorMartinez-Eixarch, MAuthor

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Article

Effect of Root Colonization by Arbuscular Mycorrhizal Fungi on Growth, Productivity and Blast Resistance in Rice

Publicated to:Rice. 13 (1): 42- - 2020-06-22 13(1), DOI: 10.1186/s12284-020-00402-7

Authors: Campo, S; Martín-Cardoso, H; Olivé, M; Pla, E; Catala-Forner, M; Martínez-Eixarch, M; San Segundo, B

Affiliations

Aigües Marines i Continentals. IRTA Investigación y Tecnología Agroalimentarias - Author
CSIC, Barcelona, Spain - Author
Ctr Res Agr Genom CRAG CSIC IRTA UAB UB, Campus Univ Autonoma Barcelona UAB, Barcelona, Spain - Author
Cultius Extensius Sostenibles. IRTA Investigación y Tecnología Agroalimentarias - Author
IRTA Inst Agrifood Res & Technol, Field Crops, Amposta, Spain - Author
IRTA Inst Agrifood Res & Technol, Marine & Continental Waters, St Caries De La Rapita, Spain - Author
Producció Animal. IRTA Investigación y Tecnología Agroalimentarias - Author
Producció Vegetal. IRTA Investigación y Tecnología Agroalimentarias - Author
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Abstract

Background Arbuscular mycorrhizal (AM) fungi form symbiotic associations with roots in most land plants. AM symbiosis provides benefits to host plants by improving nutrition and fitness. AM symbiosis has also been associated with increased resistance to pathogen infection in several plant species. In rice, the effects of AM symbiosis is less studied, probably because rice is mostly cultivated in wetland areas, and plants in such ecosystems have traditionally been considered as non-mycorrhizal. In this study, we investigated the effect of AM inoculation on performance of elite rice cultivars (Oryza sativa,japonicasubspecies) under greenhouse and field conditions, focusing on growth, resistance to the rice blast fungusMagnaporthe oryzaeand productivity. Results The response to inoculation with eitherFunneliformis mosseaeor Rhizophagus irregulariswas evaluated in a panel of 12 rice cultivars. Root colonization was confirmed in all rice varieties. Under controlled greenhouse conditions,R. irregularisshowed higher levels of root colonization thanF. mosseae.Compared to non-inoculated plants, the AM-inoculated plants had higher Pi content in leaves. Varietal differences were observed in the growth response of rice cultivars to inoculation with an AM fungus, which were also dependent on the identity of the fungus. Thus, positive, negligible, and negative responses to AM inoculation were observed among rice varieties. Inoculation withF. mosseaeorR. irregularisalso conferred protection to the rice blast fungus, but the level of mycorrhiza-induced blast resistance varied among host genotypes. Rice seedlings (Loto and Gines varieties) were pre-inoculated withR. irregularis, transplanted into flooded fields, and grown until maturity. A significant increase in grain yield was observed in mycorrhizal plants compared with non-mycorrhizal plants, which was related to an increase in the number of panicles. Conclusion Results here presented support that rice plants benefit from the AM symbiosis while illustrating the potential of using AM fungi to improve productivity and blast resistance in cultivated rice. Differences observed in the mycorrhizal responsiveness among the different rice cultivars in terms of growth promotion and blast resistance indicate that evaluation of benefits received by the AM symbiosis needs to be carefully evaluated on a case-by-case basis for efficient exploitation of AM fungi in rice cultivation.

Keywords

arbuscular mycorrhizafunneliformis mosseaejaponicamagnaporthe oryzaeresistancerhizophagus irregularisricesymbiosisArbuscular mycorrhizaFunneliformis mosseaeGenetic diversityGlomus-intraradicesJaponicaMagnaporthe oryzaeMagnaporthe-oryzaeMechanismsPaddyPathwaysPhosphorus uptakePopulation-structureResistanceRhizophagus irregularisRiceSymbiosisTomato plantsYield

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Rice due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2020, it was in position 10/91, thus managing to position itself as a Q1 (Primer Cuartil), in the category Agronomy. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 4.12. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Field Citation Ratio (FCR) from Dimensions: 13.82 (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-01, the following number of citations:

  • WoS: 57
  • Scopus: 94
  • Europe PMC: 16

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-01:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 189.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 188 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 21.
  • The number of mentions on the social network X (formerly Twitter): 8 (Altmetric).
  • The number of mentions in news outlets: 2 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: http://hdl.handle.net/20.500.12327/860

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Campo, S) and Last Author (San Segundo, B).

the author responsible for correspondence tasks has been Campo, S.