First Report of Leaf Spot of Strawberry Caused by Alternaria tenuissima in Iran
نویسندگان
چکیده
منابع مشابه
First Report of Leaf Spot Caused by Alternaria tenuissima on Black Chokeberry (Aronia melanocarpa) in Korea
In July 2015, diseased leaves of black chokeberry (Aronia melanocarpa) were observed in Danyang and Gochang, Korea. The symptoms appeared as circular or irregular brown leaf spots, from which Alternaria tenuissima was isolated. The isolates were cultured on potato dextrose agar, and their morphological characteristics were observed under a light microscope. The colonies were whitish to ash colo...
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Black spot of sweet persimmon, caused by Alternaria alternata, occurred in an orchard in Gyeongnam province, Korea in 2012. The symptom was appearance of 0.5 to 4 cm black spots on the surface of fruit. The pathogen was isolated from flesh of disease lesions. The causal agent was identified as A. alternata by morphological characteristics and sequencers of the internal transcribed spacer (ITS) ...
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strawberry (fragaria × ananassa duchesne) is produced on 3500 ha in iran. during surveys on strawberry root and crown rot disease (february-april 2007), a fungus resemble macrophomina was isolated from crowns and roots of collapsed and dying strawberry plants which were collected from golestan, mazandaran and kordestan provinces of iran. to study rate of growth and cultural characteristic of is...
متن کاملEpidemiology and Control of Strawberry Bacterial Angular Leaf Spot Disease Caused by Xanthomonas fragariae
Strawberry bacterial angular leaf spot (ALS) disease, caused by Xanthomonas fragariae has become increasingly problematic in the strawberry agro-industry. ALS causes small angular water-soaked lesions to develop on the abaxial leaf surface. Studies reported optimum temperature conditions for X. fragariae are 20°C and the pathogen suffers mortality above 32°C. However, at the nursery stage, dise...
متن کاملPilot-plant production of protease by Alternaria tenuissima.
Agar slants of a selected Alternaria tenuissima strain were illuminated to give conidia suitable for further propagation. For production of protease with an optimal caseolytic activity in the region of pH 8 to 10, the fungus was cultivated in steel fermentors with 6- and 60-liter working capacity. Maximal activity, 1.5 enzyme units per liter, was attained in a medium based on liver after about ...
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ژورنال
عنوان ژورنال: Journal of Plant Pathology & Microbiology
سال: 2015
ISSN: 2157-7471
DOI: 10.4172/2157-7471.1000258