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تاثیر شوری و خشکی بر جوانه زنی و رشد گیاهچه دو رقم پنبه: گزارش کوتاه علمی | ||
| نهال و بذر | ||
| مقاله 10، دوره 18، شماره 4، آذر 1381، صفحه 506-509 اصل مقاله (88.86 K) | ||
| شناسه دیجیتال (DOI): 10.22092/spij.2017.110760 | ||
| نویسندگان | ||
| عبدالقدیر قجری* ؛ ابراهیم زینلی | ||
| کلیدواژهها | ||
| پنبه؛ جوانه زنی بذر؛ اثر شوری؛ اثر خشکی | ||
| عنوان مقاله [English] | ||
| Effects of salinity and drought stresses on germination and seedling growth of two cotton cultivars | ||
| نویسندگان [English] | ||
| A.A.GH Aghajari؛ E. Zeynali | ||
| چکیده [English] | ||
| In order to investigate the effects of drought and salinity on germination and seedling growth in cotton, two experiments were carried out with two commercial cotton cultivars, Sahel and Bakhtegan. Experimental design was factorial with completely randomized design using 3 replications. Drought and salinity treatments were 0, -1, -2, -4, -6, -8 and -10 bars and were regulated using PEG 6000, and sodium chloride respectively. Results of variance analysis and means comparison indicated that percentage and rate of seed germination and percentage of normal seedings. were increased by increasing of both salinity and drought levels. However, length of rootlets increased up to-2.drought bars. The results also indicated that Bakhtegan cv. Had better tolerance to salinity stress than Sahel cv., but in drought condition its tolerance and germination rate were less than Sahel. In general, the both cultivars had better performance in salinity stress than in drought stress | ||
| کلیدواژهها [English] | ||
| cotton, Seed germination, salinity effect, drought effect | ||
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آمار تعداد مشاهده مقاله: 468 تعداد دریافت فایل اصل مقاله: 252 |
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