<i>Rosellinia necatrix</i> attack according to soil features in the <scp>M</scp>editerranean environment

Carlucci, Antonia; Manici, L.; Colatruglio, L.; Caputo, André Luiz Carvalho; Frisullo, S.

doi:10.1111/j.1439-0329.2012.00787.x

Cited by 6 publications

(4 citation statements)

References 16 publications

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“…‛Favolosa’ is planted throughout Apulia due to its resistance to OQDS, which destroyed several olive groves (Boscia et al, 2017 ). At the same time D. necatrix affects several tree species in Apulia (Carlucci et al, 2013b ) and in this work we clearly showed that ‛Favolosa’ can succumb to D. necatrix, especially in the phase of arboretum constitution. Finding an additional effective control measure is thus particularly important.…”

Section: Discussionsupporting

confidence: 66%

“…It is present in five continents in temperate, tropical and subtropical zones (Pérez-Jiménez, 2006 ; Schena et al, 2008 ; Pliego et al, 2012 ; Pasini et al, 2016 ). Dematophora necatrix has been isolated from roots of olive trees in France (Guillaumin et al, 1982 ), Portugal (Roca et al, 2016 ), and Spain (Figueres & Grouard, 2001 ), and it also infects olive trees in Italy (Faretra & Frisullo, 2002 ; Schena et al, 2008 ; Carlucci et al, 2013b ).…”

Section: Discussionmentioning

confidence: 99%

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Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in Central Italy

et al. 2022

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Lethal wilting was observed on young olive trees cv Favolosa in a grove in central Italy. White mycelial strands wrapped the basal portion of the stems that had been buried during planting. The bark was rotted and the xylem was discoloured. A fungal morphotype was strictly associated with symptomatic plants and identified as Dematophora (ex Rosellinia ) necatrix. Pathogenicity tests on cvs Favolosa, Leccino and Ogliarola demonstrated that D. necatrix was the causal agent of the disease. Our investigations revealed that infections occurring during autumn and winter greatly favour the disease. By applying a marcottage to the inoculation point, we accelerated the course of the disease and mimicked the lethal outcome observed in the field. In in vitro tests, seven systemic (potential) fungicides strongly inhibited D. necatrix . Dentamet, Al-phosphite and Thiophanate methyl were selected to be tested in planta with a curative and preventive modality . Only Thiophanate methyl, in preventive modality, fully protected the plants from disease progression throughout the observation period. An additional fungal species was strictly associated with both diseased and apparently healthy plants. Morphological and molecular features identified the fungus as Emmia lacerata, a polypore species within the Irpicaceae, which is the agent of white rot on dead woody substrates. To our knowledge, this is the first time that E. lacerata has been reported in Italy and worldwide on olive trees. Inoculation of ‛Favolosa’ trees revealed that it colonizes the xylem without causing visible alterations. The possible role of E. lacerata in the olive tree- D. necatrix pathosystem is discussed. Supplementary Information The online version contains supplementary material available at 10.1007/s10658-022-02458-1.

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Section: Discussionsupporting

confidence: 66%

Section: Discussionmentioning

confidence: 99%

Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in Central Italy

et al. 2022

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“…was not influenced by TT-OMWW, while on HPH-OMWW, τ increased from 2.93 ± 0.17 days (5%) to 15.95 ± 0.01 days (15%). S. rolfsii and R. necatrix are severe soilborne fungal pathogens of horticultural crops and fruit trees, respectively, as reported by Lops et al ( 2008 ) and Carlucci et al ( 2013 ), and their growth was inhibited by 10 and 15% TT-OMWW.…”

Section: Resultsmentioning

confidence: 55%

Evaluation of Fungal Growth on Olive-Mill Wastewaters Treated at High Temperature and by High-Pressure Homogenization

et al. 2017

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Reuse of olive mill wastewaters (OMWWs) in agriculture represents a significant challenge for health and safety of our planet. Phytotoxic compounds in OMWW generally prohibit use of untreated OMWWs for agricultural irrigation or direct discharge into surface waters. However, pretreated OMWW can have positive effects on chemical and microbiological soil characteristics, to fight against fungal soil-borne pathogens. Low amounts of OMWW following thermal (TT-OMWW) and high-pressure homogenization (HPH-OMWW) pretreatments counteracted growth of some of 12 soil-borne and/or pathogenic fungi examined. With fungal growth measured as standardized change in time to half maximum colony diameter, Δτ, overall, HPH-OMWW showed increased bioactivity, as increased mean Δτ from 3.0 to 4.8 days. Principal component analysis highlighted two fungal groups: Colletotrichum gloeosporioides, Alternaria alternata, Sclerotium rolfsii, and Rosellinia necatrix, with growth strongly inhibited by the treated OMWWs; and Aspergillus ochraceus and Phaeoacremonium parasiticum, with stimulated growth by the treated OMWWs. As a non-thermal treatment, HPH-OMWW generally shows improved positive effects, which potentially arise from preservation of the phenols.

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“…Athelia rolfsii (Ar) and Rosellinia necatrix (Rx) are known as two severe soilborne fungal pathogens of horticultural crops [22] and fruit trees [23]. The first was affected by both acids although in a different way, since it experienced complete inhibition in the presence of cinnamic acid, while τ increased from 3.00 to 6.31 days in the presence of vanillic acid.…”

Section: Growth Kinetic On Solid Media Containing Cinnamic or Vanillimentioning

confidence: 99%

Removal Ability and Resistance to Cinnamic and Vanillic Acids by Fungi

et al. 2020

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Twelve fungal strains were assayed to investigate their resistance to cinnamic and vanillic acids and their ability to remove these compounds from a liquid medium. In a first step, the effect of the two aromatic acids (1 g/L) on the fungal growth kinetic was studied. The results were modelled through a logistic like function (Dantigny equation) to estimate τ, which is the time to the half-maximum colony diameter. The key findings of this part were as follows: (i) generally, cinnamic acid exerted a stronger effect than vanillic acid; (ii) aromatic acids exerted a delay on the growth of some fungi and only one strain (Athelia rolfsii) was completely inhibited. In the second part, fungi were assayed to investigate their ability to remove cinnamic and vanillic acids (ca. 350 mg/kg) from liquid media at pH 3.5. The results indicated that the most efficient fungi were Aspergillus niger and Lasiodiplodia theobromae.

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Rosellinia necatrix attack according to soil features in the Mediterranean environment

Cited by 6 publications

References 16 publications

Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in Central Italy

Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in Central Italy

Evaluation of Fungal Growth on Olive-Mill Wastewaters Treated at High Temperature and by High-Pressure Homogenization

Removal Ability and Resistance to Cinnamic and Vanillic Acids by Fungi

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