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Journal of Agricultural Science and Technology، جلد ۱۷، شماره ۱، صفحات ۲۴۱-۲۴۸
عنوان فارسی
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کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Reaction of Iranian Cereal Genotypes to Multiple Strains of Xanthomonas translucens pv. cerealis
چکیده انگلیسی مقاله Bacterial leaf streak (BLS) caused by Xanthomonas translucens pv. cerealis (Xtc) is an important disease of wheat (Triticum aestivum L.) worldwide. The management methods presently in practice are insufficient to meet current safety and/or efficacy standards. Therefore, use of resistant genotypes is the best approach to manage BLS. The present study was undertaken to identify possible sources of resistance to Xtc in cereal cultivars and germplasm. Twelve strains of Xtc were isolated from symptomatic leaves in several regions in Kerman province. Out of twelve, nine strains produced the expected Xtc-specific 120 bp fragment using PCR and the primer pairs PABr/PBf. Six strains produced water-soaked streaks covered with exudates on wheat cultivars, whereas the three remaining strains incited only chlorotic streaks with no water-soaking on leaves. A highly virulent strain that caused conspicuous water-soaking and necrosis was used for inoculation of 645 winter and spring wheat, barley, and rye accessions to identify possible sources of resistance to BLS. The fourth leaves of test plants were infiltrated with bacterial suspension and scored after seven to ten days. Among all the accessions evaluated, only two rye accessions, namely, 4538 and 4794, were resistant to BLS. These two rye accessions can potentially be used in breeding rye and triticale cultivars for resistance to BLS.
کلیدواژه‌های انگلیسی مقاله Bacterial leaf streak,Barley,Resistance,Rye,Wheat
نویسندگان مقاله n فلاحی چرخابی | falahi charkhabi
plant pathology department, faculty of agriculture, tarbiat modares university, tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تربیت مدرس (Tarbiat modares university)

m شمس بخش | shams bakhsh
plant pathology department, faculty of agriculture, tarbiat modares university, tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تربیت مدرس (Tarbiat modares university)

h رحیمیان |
department of plant protection, sari university of agricultural sciences and natural resources, sari, islamic republic of iran.

نشانی اینترنتی http://jast.modares.ac.ir/article_11884_63b69e4b9f20d7bca9ec7c1ff0ba28bd.pdf
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