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| تعداد نشریات | 283 |
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مقاله کوتاه علمی: مطالعه تغییر محتوی پرولین، خسارت غشا سلولی و تحمل به تنش خشکی در ژنوتیپ های گندم دوروم (Triticum turgidum var. durum) در شرایط کنترل شده | ||
| به زراعی نهال و بذر | ||
| مقاله 8، دوره 25، شماره 3، شهریور 1388، صفحه 345-352 اصل مقاله (109.78 K) | ||
| شناسه دیجیتال (DOI): 10.22092/sppj.2017.110382 | ||
| نویسندگان | ||
| مصطفی آقایی سربرزه* ؛ رحمان رجبی؛ رضا حق پرست؛ رضا محمدی | ||
| چکیده | ||
| This study was conducted to evaluate the effect of drought stress on 22 durum wheat genotypes. Different characteristics such as grain weight per spike, plant biomass, 100 grain weight, free proline content in leaves, and percentage of cell membrane damage were studied in greenhouse and laboratory conditions. Genotypes were sown under normal irrigation and moisture stress conditions. In stress experiment irrigation was applied until spike emergence stage. Leaf samples were taken from flag leaf under stress and non-stress conditions at flowering stage. Genotypes were then compared by calculating stress tolerance index (STI). Results indicated that genotypes, 12, 21 and 13 (Marvoid , Saymareh, and G13, respectively) performed better as compared to the others for drought stress tolerance, proline content, cell membrane stability, and grain weight/spike. These genotypes were selected as tolerant to drought. On the other hand, the genotypes 11, 3, and 9 (Garagilchik, 2019/01/23, and 11-11-1-3, respectively) were susceptible with lower proline content in leaves and higher cell membrane damage. It was also shown that there was a highly positive relation among grain weight/spike, STI, proline content and cell wall stability, therefore, these attributes can be used as selection criteria in the breeding programs. | ||
| عنوان مقاله [English] | ||
| Evaluation of Proline Content, Cell Membrane Damage, and Drought Tolerance in Durum Wheat (Triticum turgidum var. durum) Genotypes under Controlled Conditions | ||
| نویسندگان [English] | ||
| M. Aghaee-Sarbarzeh؛ R. Rajabi؛ R. Haghparast؛ R. Mohammadi | ||
| چکیده [English] | ||
| This study was conducted to evaluate the effect of drought stress on 22 durum wheat genotypes. Different characteristics such as grain weight per spike, plant biomass, 100 grain weight, free proline content in leaves, and percentage of cell membrane damage were studied in greenhouse and laboratory conditions. Genotypes were sown under normal irrigation and moisture stress conditions. In stress experiment irrigation was applied until spike emergence stage. Leaf samples were taken from flag leaf under stress and non-stress conditions at flowering stage. Genotypes were then compared by calculating stress tolerance index (STI). Results indicated that genotypes, 12, 21 and 13 (Marvoid , Saymareh, and G13, respectively) performed better as compared to the others for drought stress tolerance, proline content, cell membrane stability, and grain weight/spike. These genotypes were selected as tolerant to drought. On the other hand, the genotypes 11, 3, and 9 (Garagilchik, 2019/01/23, and 11-11-1-3, respectively) were susceptible with lower proline content in leaves and higher cell membrane damage. It was also shown that there was a highly positive relation among grain weight/spike, STI, proline content and cell wall stability, therefore, these attributes can be used as selection criteria in the breeding programs. | ||
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آمار تعداد مشاهده مقاله: 186 تعداد دریافت فایل اصل مقاله: 146 |
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