First report of Nigrospora oryzae causing brown leaf spot on Mentha spicata
نویسندگان
چکیده
منابع مشابه
First Report of Fusarium subglutinans Causing Leaf Spot Disease on Cymbidium Orchids in Korea
In 2006~2010, leaf spot symptoms, that is, small, yellow spots that turned into dark brown-to-black lesions surrounded by a yellow halo, were observed on Cymbidium spp. in Gongju, Taean, and Gapyeong in Korea. A Fusarium species was continuously isolated from symptomatic leaves; in pathogenicity testing, isolates caused leaf spot symptoms consisting of sunken, dark brown lesions similar to the ...
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this paper deals with the study of a leaf spot disease observed on aloe vera leaves in various nurseries and botanical gardens during the routine surveys of two consecutive years of 2010 and 2011. the symptoms appeared in the form of circular to oval, brown to black, sunken spots on abaxial surface of leaves. the disease was observed only in january to february during the survey. colonieson pda...
متن کاملfirst record of alternaria macrospora mkp1 causing leaf spot disease on parthenium hysterophorus from india
in the years 2012-14 a series of extensive surveys for natural enemies of parthenium were conducted in haryana. during survey, a leaf spot disease has been regularly reported on congress grass at different parts of the kurukshetra and its adjoining areas.the fungal pathogen was isolated from the affected parts of parthenium leaves and on the basis of cultural, morphological and molecular charac...
متن کاملFirst record of Alternaria macrospora MKP1 causing leaf spot disease on Parthenium hysterophorus from India
In the years 2012-14 a series of extensive surveys for natural enemies of parthenium were conducted in Haryana. During survey, a leaf spot disease has been regularly reported on congress grass at different parts of the Kurukshetra and its adjoining areas. The fungal pathogen was isolated from the affected parts of parthenium leaves and on the basis of cultural, morphological and molecular chara...
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Leaf spot disease was observed in sesame (Sesamum indicum L.) during 2009 and 2010 in Korea. The pathogen was identified as Alternaria simsimi based on morphological and cultural characteristics. The morphological identification was well supported by phylogenetic analysis of the ribosomal DNA-internal transcribed spacer region. A. simsimi isolates caused spot symptoms on leaves and stems of ses...
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ژورنال
عنوان ژورنال: Journal of Plant Pathology
سال: 2020
ISSN: 1125-4653,2239-7264
DOI: 10.1007/s42161-020-00562-x