First report of citrus black spot disease caused by Phyllosticta citricarpa on Citrus limon and C. sinensis in Tunisia
نویسندگان
چکیده
منابع مشابه
Splash dispersal of Phyllosticta citricarpa conidia from infected citrus fruit
Rain-splash dispersal of Phyllosticta citricarpa (syn. Guignardia citricarpa) conidia (pycnidiospores) from infected oranges was studied in still air and combined with wind. High power microscopy demonstrated the presence of conidia in splash droplets from diseased oranges, which exuded conidia for over one hour during repeated wetting. The largest (5 mm) incident drops produced the highest spl...
متن کاملFirst report of Phyllosticta citricarpa and description of two new species, P. paracapitalensis and P. paracitricarpa, from citrus in Europe
The genus Phyllosticta occurs worldwide, and contains numerous plant pathogenic, endophytic and saprobic species. Phyllosticta citricarpa is the causal agent of Citrus Black Spot disease (CBS), affecting fruits and leaves of several citrus hosts (Rutaceae), and can also be isolated from asymptomatic citrus tissues. Citrus Black Spot occurs in citrus-growing regions with warm summer rainfall cli...
متن کاملEndophytic and pathogenic Phyllosticta species, with reference to those associated with Citrus Black Spot
We investigated the identity and genetic diversity of more than 100 isolates belonging to Phyllosticta (teleomorph Guignardia), with particular emphasis on Phyllosticta citricarpa and Guignardia mangiferae s.l. occurring on Citrus. Phyllosticta citricarpa is the causal agent of Citrus Black Spot and is subject to phytosanitary legislation in the EU. This species is frequently confused with a ta...
متن کاملFirst report of citrus huanglongbing disease on orange in Iran
Huanglongbing (HLB), also known as greening, is a destructive disease of citrus that may limit production of this crop in many parts of Asia, Africa and South America. HLB is caused by a non-culturable phloem-limited bacterium of the genus ‘ Candidatus Liberibacter’. Three Candidatus species of Liberibacter, namely, ‘ Ca . L. asiaticus’, ‘ Ca . L. africanus’ and ‘ Ca . L. americanus’, have been...
متن کاملMicropropagation of mature tree of Citrus limon
A protocol for in vitro cloning of mature plants of Citrus limon using nodal shoot segments has been developed. Three to four shoots were induced per axillary meristems on MS medium amended with 9 μM BAP. Repeated transfer of the initial explants for up to six passages on MS medium [having 50% of the original concentrations of NH4NO3 and KNO3, and supplement of 250 mg L (NH4)2SO4] with 0.22 μM ...
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ژورنال
عنوان ژورنال: New Disease Reports
سال: 2020
ISSN: 2044-0588,2044-0588
DOI: 10.5197/j.2044-0588.2020.041.008