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Fungi associated with canker diseases on olive in Istria (Croatia)

Journal of Central European agriculture, 2023-06, Vol.24 (2), p.470-475 [Peer Reviewed Journal]

COPYRIGHT 2023 Sveuciliste U Zagrebu ;ISSN: 1332-9049 ;EISSN: 1332-9049 ;DOI: 10.5513/JCEA01/24.2.3795

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  • Title:
    Fungi associated with canker diseases on olive in Istria (Croatia)
  • Author: Ivić, Dario ; Petrović, Elena ; Godena, Sara
  • Subjects: botryosphaeriaceae ; Fungi ; inoculation ; isolates ; olive decline ; pathogenicity test ; Surveys
  • Is Part Of: Journal of Central European agriculture, 2023-06, Vol.24 (2), p.470-475
  • Description: A survey in olive orchards in Istria (Croatia) was carried out from 2016 to 2018 to investigate pathogens potentially associated with olive decline and dieback. In nine orchards, canker-like symptoms were recorded on olive trunks and branches. Six fungal species were isolated from cankers: Geosmithia sp., Diaporthe sp., Diatrype stigma, Diplodia seriata, Neofusicoccum parvum, and Pseudophaeomoniella oleae. Pathogenicity tests were conducted in a greenhouse, on branches of 4-year-old local cultivar 'Buza'. Eight months after branch inoculation, D. seriata showed to be the most aggressive, causing an average of 67 mm long lesion. N. parvum caused 31 mm long lesion, while Diaporthe sp. showed only weak aggressiveness, causing 3 mm long lesion. Diatrype stigma, P. oleae and Geosmithia sp. did not cause any symptoms on inoculated plants. This is the first report of Neofusicoccum parvum and Diaporthe sp. as pathogens on olive in Istria (Croatia). Keywords: Botryosphaeriaceae, inoculation, isolates, olive decline, pathogenicity test Terensko istraživanje maslinika u Istri (Hrvatska), provedeno je od 2016. do 2018. godine s ciljem utvrdivanja potencijalnih patogena povezanih s odumiranjem i suÅ¡enjem maslina. Å est vrsta gljiva izolirano je s drvenastih dijelova masline sa simptomima gljivicnog raka: Geosmithia sp., Diaporthe sp., Diatrype stigma, Diplodia seriata, Neofusicoccum parvum i Pseudophaeomoniella oleae. Test patogenosti proveden je u plasteniku, na granama 4-godiÅ¡njih sadnica maslina autohtone sorte Buža. Osam mjeseci nakon inokulacije, D. seriata pokazala se kao najagresivnija vrsta uzrokujuci lezije duljine 67 mm, N. parvum je uzrokovao lezije duljine 31 mm, a Diaporthe sp. pokazao se kao najslabiji patogen, uzrokujuci lezije duljine 3 mm. Vrste D. stigma, P. oleae i Geosmithia sp. nisu uzrokovale simptome na inokuliranim maslinama. Prema naÅ¡im spoznajama, ovo je prvi nalaz vrsta Neofusicoccum parvum i Diaporthe sp. kao patogena masline u Istri (Hrvatska). Kljucne rijeci: Botryosphaeriaceae, inokulacija, izolati, odumiranje masline, test patogenosti
  • Publisher: Sveuciliste U Zagrebu
  • Language: English;Bulgarian
  • Identifier: ISSN: 1332-9049
    EISSN: 1332-9049
    DOI: 10.5513/JCEA01/24.2.3795
  • Source: DOAJ Directory of Open Access Journals
    ROAD: Directory of Open Access Scholarly Resources
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