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Grant support

This work was supported by Spanish Project RTA 2013-00048-C03-03 INIA and the European Union Healthy Forest Project LIFE14 ENV/ES/000179 to E.I., a grant from the New Brunswick Innovation Foundation to C.L.P., and a grant from the European Union 7th Framework Programme (Marie Curie Action) to E.I. and C.L.P.

Analysis of institutional authors

Iturritxa, EugeniaAuthor

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Article

Biocontrol of Fusarium circinatum Infection of Young Pinus radiata Trees

Publicated to:Forests. 8 (2): 32- - 2017-02-01 8(2), DOI: 10.3390/f8020032

Authors: Iturritxa, Eugenia; Trask, Tyler; Mesanza, Nebai; Raposo, Rosa; Elvira-Recuenco, Margarita; Patten, Cheryl L

Affiliations

INIA CIFOR, Ctra La Coruna Km 7-5, Madrid 28040, Spain - Author
Neiker Tecnalia, Prod & Plant Protect, Apartado 46, Vitoria 01080, Spain - Author
Univ New Brunswick, Dept Biol, POB 4400, Fredericton, NB E3B 5A3, Canada - Author
Univ Valladolid, INIA, Sustainable Forest Management Res Inst, Avda Madrid 44, Palencia 34004, Spain - Author

Abstract

Pitch canker, caused by the fungus Fusarium circinatum, is a major disease of Pinus radiata currently controlled to some extent in nurseries by good hygiene and application of synthetic fungicides. The aim of this study was to evaluate alternative strategies to control fungal infections in nurseries and young pine plantations. The antagonistic effects of biocontrol bacteria and essential oils against F. circinatum in vitro and in young P. radiata trees were assessed. Pseudomonas fluorescens, Erwinia billingiae, and Bacillus simplex reduced the growth of the fungus in vitro by 17%-29%, and decreased the density of the mycelial mat. In young P. radiata trees, the length of F. circinatum lesions was reduced by 22%-25% by the same bacterial strains. Direct application of cinnamon and/or clove essential oils to wounds in stems of two-year-old P. radiata trees also limited the damage caused by F. circinatum. Lesion length was reduced by 51% following treatment with cinnamon oil (10% v/v), and by 45% following treatment with clove oil (15% v/v) or a combination of both oils. However, the oils were toxic to younger trees. The biocontrol bacteria and essential oils show promise as prophylactic treatments to reduce the devastating effects of F. circinatum on P. radiata.

Keywords

1st reportAntifungal activityAntioxidant activitiesBiocontrol bacteriaBiological-controlEssential oilsFluorescent pseudomonasFusarium circinatumGrowthIn-vitroPinus radiataPitch canker fungusPromoting rhizobacteria pgpr

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Forests due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2017, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Forestry.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 4.04, which 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: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-18, the following number of citations:

  • WoS: 17
  • Scopus: 20
  • OpenCitations: 19

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 2025-06-18:

  • 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: 65.
  • 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: 65 (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: 4.25.
  • The number of mentions on the social network Facebook: 1 (Altmetric).
  • The number of mentions on the social network X (formerly Twitter): 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.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Canada.

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 (Iturricha Vélez Del Burgo, María Eugenia) .