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Title

A Survey of Trunk Disease Pathogens within Citrus Trees in Iran

AuthorsEsparham, Nahid; Mohammadi, Hamid; Gramaje, David
KeywordsBscogniauxia
Botryosphaeriaceae
Cadophora
Citrus dieback
Colletotrichum
Phaeoacremonium
Issue Date16-Jun-2020
PublisherMultidisciplinary Digital Publishing Institute
CitationPlants 9(6): 754 (2020)
AbstractCitrus trees with cankers and dieback symptoms were observed in Bushehr (Bushehr province, Iran). Isolations were made from diseased cankers and branches. Recovered fungal isolates were identified using cultural and morphological characteristics, as well as comparisons of DNA sequence data of the nuclear ribosomal DNA-internal transcribed spacer region, translation elongation factor 1α, β-tubulin, and actin gene regions. Dothiorella viticola, Lasiodiplodia theobromae, Neoscytalidium hyalinum, Phaeoacremonium (P.) parasiticum, P. italicum, P. iranianum, P. rubrigenum, P. minimum, P. croatiense, P. fraxinopensylvanicum, Phaeoacremonium sp., Cadophora luteo-olivacea, Biscogniauxia (B.) mediterranea, Colletotrichum gloeosporioides, C. boninense, Peyronellaea (Pa.) pinodella, Stilbocrea (S.) walteri, and several isolates of Phoma, Pestalotiopsis, and Fusarium species were obtained from diseased trees. The pathogenicity tests were conducted by artificial inoculation of excised shoots of healthy acid lime trees (Citrus aurantifolia) under controlled conditions. Lasiodiplodia theobromae was the most virulent and caused the longest lesions within 40 days of inoculation. According to literature reviews, this is the first report of L. theobromae and N. hyalinum on citrus in Iran. Additionally, we report several Phaeoacremonium species, S. walteri, Pa. pinodella and C. luteo-olivacea on citrus trees for the first time in the world.
Description© 2020 by the authors.
Publisher version (URL)https://doi.org/10.3390/plants9060754
URIhttp://hdl.handle.net/10261/215711
DOIhttp://dx.doi.org/10.3390/plants9060754
ISSN2223-7747
E-ISSN2223-7747
Appears in Collections:(ICVV) Artículos
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