Morphological and molecular characterization of Diplodia spp. associated with apple canker disease in India

Nabi, Sajad Un; Sheikh, M. A.; Raja, Wasim; Mir, Javid Iqbal; Sharma, O.C.; Singh, D. B.; Yousuf, Nida; Shafi, Mansoor; Khan, Kamran; Yadav, Manoj Kumar; Kamil, Deeba

doi:10.1016/j.cropro.2020.105238

Cited by 8 publications

(11 citation statements)

References 21 publications

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“…All studied genotypes were found to be pathogenic and were able to induce necrotic lesions on detached shoots of Red Delicious apple. The pathogenicity of D. bulgarica on apple (Abdollahzadeh, 2015; Ketabchi et al, 2016; Nabi et al, 2020) and some other woody plants (Ketabchi et al, 2015) has already been documented by artificial inoculations, but limited information was available on the aggressiveness diversity of the pathogen. Abdollahzadeh (2015) evaluated the pathogenicity of two isolates on 2‐year‐old Golden Delicious apple trees and found nonsignificant difference in lesion length between the two isolates under greenhouse and field conditions.…”

Section: Discussionmentioning

confidence: 99%

“…Afterwards, the pathogen was repeatedly reported from Iran and was known as the main pathogen causing canker and decline in apple trees in Kermanshah and particularly West Azarbaijan provinces (Abdollahzadeh, 2015; Ketabchi et al, 2016). This species has also recently been documented from India and has been reported as the predominant pathogen causing canker on apple trees in Jammu and Kashmir (Nabi et al, 2020). Pathogenicity tests indicated that D. bulgarica is an aggressive pathogen of apple trees (Abdollahzadeh, 2015; Ketabchi et al, 2016; Nabi et al, 2020) and has a broad host range causing disease on shoots of various woody plants (Ketabchi et al, 2015).…”

Section: Introductionmentioning

confidence: 85%

“…This species has also recently been documented from India and has been reported as the predominant pathogen causing canker on apple trees in Jammu and Kashmir (Nabi et al, 2020). Pathogenicity tests indicated that D. bulgarica is an aggressive pathogen of apple trees (Abdollahzadeh, 2015; Ketabchi et al, 2016; Nabi et al, 2020) and has a broad host range causing disease on shoots of various woody plants (Ketabchi et al, 2015).…”

Section: Introductionmentioning

confidence: 85%

“…bulgarica is an aggressive pathogen of apple trees (Abdollahzadeh, 2015;Ketabchi et al, 2016;Nabi et al, 2020) and has a broad host range causing disease on shoots of various woody plants (Ketabchi et al, 2015).…”

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confidence: 99%

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Genetic variation, vegetative compatibility, and aggressiveness diversity of Diplodia bulgarica isolates from apple orchards in West Azarbaijan province of Iran

2021

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Diplodia is an agriculturally important genus of the family Botryosphaeriaceae, most species of which are pathogens of woody plants (Phillips et al., 2012). A number of Diplodia species, especially D. mutila and D. seriata, are known as important, globally distributed pathogens of apple trees (Brown & Britton, 1986;Phillips et al., 2012).In 2012, a new species, D. bulgarica, was described based on the isolates obtained from apple (Malus × domestica) in Iran (Kermanshah province) and from Malus sylvestris in Bulgaria (Phillips et al., 2012).

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 85%

Section: Introductionmentioning

confidence: 85%

mentioning

confidence: 99%

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Genetic variation, vegetative compatibility, and aggressiveness diversity of Diplodia bulgarica isolates from apple orchards in West Azarbaijan province of Iran

2021

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“…Diplodia bulgarica has been reported to be present in Asia (India, Iran, Türkiye) and in non‐EU Europe (Serbia) (Abdollahzadeh, 2015; Hanifeh et al., 2017; Nabi et al., 2020; Eken, 2022; Vučković et al., 2022). The current geographical distribution of D. bulgarica is shown in Figure 2.…”

Section: Pest Categorisationmentioning

confidence: 99%

Pest categorisation of Diplodia bulgarica

Bragard¹,

Baptista²,

Chatzivassiliou³

et al. 2023

EFS2

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The EFSA Plant Health Panel performed a pest categorisation of Diplodia bulgarica, a clearly defined plant pathogenic fungus of the family Botryosphaeriaceae. The pathogen affects Malus domestica, M. sylvestris and Pyrus communis causing various symptoms such as canker, twig blight, gummosis, pre‐ and post‐harvest fruit rot, dieback and tree decline. The pathogen is present in Asia (India, Iran, Türkiye) and in non‐EU Europe (Serbia). Concerning the EU, the pathogen is present in Bulgaria and widespread in Germany. There is a key uncertainty on the geographical distribution of D. bulgarica worldwide and in the EU, because in the past, when molecular tools were not available, the pathogen might have been misidentified as other Diplodia species (e.g. D. intermedia, D. malorum, D. mutila, D. seriata) or other members of the Botryosphaeriaceae family affecting apple and pear based only on morphology and pathogenicity tests. Diplodia bulgarica is not included in Commission Implementing Regulation (EU) 2019/2072. Plants for planting, other than seeds, fresh fruits, and bark and wood of host plants as well as soil and other plant‐growing media carrying plant debris are the main pathways for the further entry of the pathogen into the EU. Host availability and climate suitability factors are favourable for the further establishment of the pathogen in the EU. In the areas of its present distribution, including Germany, the pathogen has a direct impact on cultivated hosts. Phytosanitary measures are available to prevent the further introduction and spread of the pathogen into the EU. Diplodia bulgarica satisfies the criteria that are within the remit of EFSA to assess for this species to be regarded as potential Union quarantine pest.

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Biocontrol of Diplodia bulgarica, the causal agent of apple canker, using Trichoderma zelobreve

Nourian,

Salehi,

Safaie

et al. 2024

Arch Microbiol

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Morphological and molecular characterization of Diplodia spp. associated with apple canker disease in India

Cited by 8 publications

References 21 publications

Genetic variation, vegetative compatibility, and aggressiveness diversity of Diplodia bulgarica isolates from apple orchards in West Azarbaijan province of Iran

Genetic variation, vegetative compatibility, and aggressiveness diversity of Diplodia bulgarica isolates from apple orchards in West Azarbaijan province of Iran

Pest categorisation of Diplodia bulgarica

Biocontrol of Diplodia bulgarica, the causal agent of apple canker, using Trichoderma zelobreve

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