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genetic diversity of phytophthora sojae in iran
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نویسنده
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mohammadi abbas ,alizadeh azizollah ,mozafari javad ,mirabolfathi mansoreh ,noras mofrad nasrin
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منبع
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international journal of advanced biological and biomedical research - 2014 - دوره : 2 - شماره : 11 - صفحه:2756 -2760
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چکیده
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Objective: the aim of this study was to estimate genetic diversity and morphological relationships of phytophthora sojae from iran. methods: during 20052007, 142 isolates of p. sojae were collected from soil samples and diseased soybean plants from lorestan, mazandaran, golestan and ardabil provinces. races of the isolates were determined. dna of fifty isolates of p. sojae was amplified with 20 rapd and 5 issr primers. results: five primers amplified 77 fragments, of which 20 were polymorphic, indicating low variability. rapd and issr primers clustered isolates into three distinct groups at 85% similarity. genetic diversity among isolates detected intra specific variability even among isolates of the same geographic origin. there is no correlation between races, geographical distribution, and molecular markers.
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کلیدواژه
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soybean ,root rot ,rapd ,issr ,glycine max
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آدرس
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university of birjand, faculty of agriculture, departmant of plant pathology, ایران, tarbiat modares university, faculty of agriculture, departmant of plant pathology, ایران, seed and plant improvement institute, national plant gene-bank, ایران, plant pest and disease research institute, plant pathology dept, ایران, islamic azad university, birjand branch, department of agriculture, ایران
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Authors
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