First Report of Wood Canker Caused by <i>Lasiodiplodia exigua</i> and <i>Neoscytalidium novaehollandiae</i> on Grapevine in Turkey

Akgül, Davut Soner; Savaş, Nurdan Güngör; Özarslandan, Mümine

doi:10.1094/pdis-11-18-1938-pdn

Cited by 24 publications

(12 citation statements)

References 4 publications

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“…Lasiodiplodia exigua isolates MXVS6a and MXVS21b were of different virulence than L. brasiliensis and L. gilanensis isolates. Lasiodiplodia exigua was first isolated from broom bush (Retama raetam) in Tunisia (Linaldeddu et al, 2015), and was reported to cause brown discolouration and streaks in grapevine wood (Akgül et al, 2019). The L. crassispora isolates MXBCV5 and MXVS1b from the present study were the least virulent, which is similar to the results from previous studies (Correia et al, 2016).…”

Section: Discussionsupporting

confidence: 89%

Characterization of Lasiodiplodia species associated with grapevines in Mexico

Rangel-Montoya

Paolinelli

Rolshausen

et al. 2021

Phytopathol. Mediterr.

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Botryosphaeria dieback is one of the most prevalent grapevine trunk diseases (GTDs), and is caused by fungi in the Botryosphaeriaceae. Fungi invade grapevine vascular systems mainly through pruning wounds, and cause cankers and necrotic lesions, which lead to grapevine decline and death. Lasiodiplodia theobromae has been reported as a highly virulent pathogen of grapevine, and was previously reported in Mexican vineyards. The taxonomy of Lasiodiplodia was recently revised, adding new species, and some were reduced to synonymy. This study aimed to characterize Lasio-diplodia producing grapevine dieback symptoms in Sonora and Baja California, Mexico. Using the phylogenetic markers tef1-α and ITS regions, Lasiodiplodia brasiliensis, L. crassispora, L. exigua, and L. gilanensis were identified. Lasidiplodia exigua was the most prevalent species. Lasiodiplodia brasiliensis and L. gilanensis were very virulent to ‘Cabernet Sauvignon’ plants, while L. exigua and L. gilanensis were less virulent, and L. crassispora did not produce lesions at 2 months post-inoculation. The optimum temperature of the Lasiodiplodia spp. was 28°C, but all four species grew up to 37°C, and the isolates of L. exigua grew slowly at 40°C. This is the first report of the four of Lasio-diplodia species in vineyards of Mexico.

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Section: Discussionsupporting

confidence: 89%

Characterization of Lasiodiplodia species associated with grapevines in Mexico

Rangel-Montoya

Paolinelli

Rolshausen

et al. 2021

Phytopathol. Mediterr.

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“…Neoscytalidium novaehollandiae has been reported from different hosts such as Mangifera indica, Adansonia gibbosa, Acacia synchronica, Crotalaria medicaginea, and Grevillia agrifolia (Pavlic et al 2008;Ray et al 2010). The pathogen has been recently observed to cause wood canker of grapevine in Turkey (Akgül et al 2019). However, to our knowledge, this is the first report of N. novaehollandiae associated with stem canker and branch dieback of almond trees.…”

Section: Neoscytalidium Novaehollandiae Neno6mentioning

confidence: 85%

First report of Neoscytalidium novaehollandiae associated with stem canker and branch dieback of almond trees

Ören

Koca

Gencer³

et al. 2020

Australasian Plant Dis. Notes

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In 2019, a new disease of stem canker with branches dieback was observed in several commercial orchards in Diyarbakır province, Turkey. The pathogen was identified as Neoscytalidium novaehollandiae based on morphological characteristics and phylogenetic analysis of both internal transcribed spacer and transcription elongation factor 1-α regions. Koch's postulates were confirmed by successful reisolation of N. novaehollandiae only from plants inoculated with the pathogen. This is thought to be the first report of N. novaehollandiae causing stem canker of almond trees.

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“…Lasiodiplodia exigua was described from Retama raetam in Tunisia and Pistacia vera in the United States [43]. The fungus has also been reported to cause canker, dieback, discolouration and streaks on grapevine wood in Turkey and Mexico [44,45]. In the present study, L. exigua was isolated from S. birrea at Mapungubwe National Park.…”

Section: Discussionmentioning

confidence: 62%

Diversity of Endophytes in the Botryosphaeriaceae Differs on Anacardiaceae in Disturbed and Undisturbed Ecosystems in South Africa

Ramabulana

Kunjeku

Slippers

et al. 2022

Forests

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Botryosphaeriaceae represents a diverse family of fungi with a cosmopolitan distribution and a wide host range. We studied species diversity and overlap of Botryosphaeriaceae on selected tree species of Anacardiaceae in disturbed (farming or forestry) and undisturbed (isolated and/or protected) ecosystems in the Limpopo and Mpumalanga provinces, South Africa. The disturbed sites resided at Tshikundamalema and Tshipise in Limpopo and the undisturbed sites at Nwanedi and the Mapungubwe National Park in Limpopo and the Kruger National Park in Mpumalanga. Asymptomatic branches were collected from Mangifera indica, Sclerocarya birrea and Lannea schweinfurthii trees in 2017 and 2018. Eleven species were identified using a multi-gene sequencing approach, including Diplodia allocellula, Dothiorella brevicollis, Do. dulcispinae, Do. viticola, Lasiodiplodia crassispora, L. exigua, L. gonubiensis, L. mahajangana, Neofusicoccum parvum, Oblongocollomyces sp. 1 and Oblongocollomyces sp. 2. Ten of the 11 species were identified in undisturbed ecosystems (eight species being unique), while only three species were identified in disturbed ecosystems (one species being unique). Two species were generalists on trees in disturbed and undisturbed ecosystems. Lasiodiplodia mahajangana was the most dominant species as it occurred on the three tree species of Anacardiaceae. Isolates of N. parvum occurred on both S. birrea (a native species) and M. indica (a non-native species) that occurred adjacent to each other in disturbed ecosystems, confirming the ability of this invasive pathogen to cross-infect native and non-native hosts and its abundance in human-disturbed environments. The findings from this study confirm the lack of host specificity for most species of Botryosphaeriaceae. The results also indicate that disturbance through human activity, such as clear-cutting, selective cutting and land-use changes, negatively influences the diversity of the Botryosphaeriaceae.

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First Report of Wood Canker Caused by Lasiodiplodia exigua and Neoscytalidium novaehollandiae on Grapevine in Turkey

Cited by 24 publications

References 4 publications

Characterization of Lasiodiplodia species associated with grapevines in Mexico

Characterization of Lasiodiplodia species associated with grapevines in Mexico

First report of Neoscytalidium novaehollandiae associated with stem canker and branch dieback of almond trees

Diversity of Endophytes in the Botryosphaeriaceae Differs on Anacardiaceae in Disturbed and Undisturbed Ecosystems in South Africa

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