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Crop Breeding Journal، جلد ۲، شماره ۲، صفحات ۷۹-۸۹
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Suitability of drought tolerance indices for selecting alfalfa (Medicago sativa L.) genotypes under organic farming in Austria
چکیده انگلیسی مقاله In eastern Austria, alfalfa is usually grown as a rainfed crop in crop rotations in organic farming systems, where year-to-year rainfall fluctuations cause different levels of drought stress. To identify the suitability of different alfalfa genotypes and drought tolerance indices, 18 contrasting alfalfa genotypes were evaluated under irrigated and rainfed conditions at the research station of the University of Natural Resources and Life Sciences (BOKU), Vienna, Austria, during 2006-08. The first study year (2006) was considered as the establishment year. Five drought tolerance selection indices were estimated based on shoot dry matter, total biomass yield and biological nitrogen fixation (BNF) data. The correlation between irrigated and rainfed performances increased (from r=-0.17 to 0.56) with decreasing stress intensity from the first to the second year. Genotypes Sitel, Plato ZS, Vlasta and NS-Banat were the best genotypes based on their performance under both conditions. Drought tolerance selection indices TOL and SSI showed high correlations (r = 0.32 to 0.81) only with rainfed performance, and SSI was the index that best identified genotypes with high yield potential under rainfed conditions. Indices STI and GMP were the ones that best identified genotypes with high performance under both conditions.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله a مقدم | a. moghaddam
seed and plant improvement institute, karaj, iran


j vollmann | j. vollmann
university of natural resources and life sciences boku , vienna, austria


w wanek | w. wanek
department of chemical ecology and ecosystem research, university of vienna, austria


محمدرضا اردکانی | m r ardakani
agriculture research center, karaj branch, islamic azad university, karaj, iran

سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

a رضا | a. raza
nuclear institute of agriculture, hyderabad, pakistan


g pietsch | g. pietsch
university of natural resources and life sciences boku , vienna, austria


j k friedel | j k friedel
university of natural resources and life sciences boku , vienna, austria
نشانی اینترنتی http://cbjournal.spii.ir/browse.php?a_code=A-10-192-3&slc_lang=en&sid=en
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/388/article-388-270262.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده اصلاح نباتات
نوع مقاله منتشر شده پژوهشی
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