بررسى تاثیر تنش شوری بر میزان تجمع یون‎ها در هفت رقم پنبه

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش آموخته کارشناسی ارشد دانشگاه آزاد اسلامی واحد گرگان

2 عضو هیات علمی دانشگاه آزاد اسلامی واحد گرگان

3 عضو هیات علمی موسسه تحقیقات پنبه کشور

4 محقق موسسه تحقیقات پنبه کشور

چکیده

به‌منظور بررسی تاثیر سطوح مختلف شوری خاک بر خصوصیات فیزیولوژیک گیاه پنبه (Gossypium hirsutum) و مشخص نمودن ارقام متحمل، آزمایشی به‌صورت گلدانی، فاکتوریل و در قالب طرح بلوک‌های کامل تصادفی در سه تکرار انجام پذیرفت. ارقام مورد بررسی شامل: Coker*349، Opal، Bol 539، N200، Acala sj2*seland، Sahel، Sepid و شوری (NaCl)، به‌عنوان فاکتور دوم با دو سطح، غیر شور و شور، 0/6 و 16/5 دسی‌زیمنس بر متر بوده است. بر اساس نتایج تجزیه واریانس، اثر شوری بر سدیم، پتاسیم، کلسیم، منیزیم، کلر، به احتمال 1 درصد معنی‌دار بوده است و در بین ارقام، پتاسیم و کلر، به احتمال 1 درصد و سدیم، کلسیم، به احتمال 5 درصد معنی‌دار بوده است و منیزیم معنی‌دار نبود. با توجه به جمیع صفات مورد بررسی به‌نظر می‌رسد که ارقام Sahel و Sepid از مقاومت بیشتری نسبت به شوری برخوردار هستند.

کلیدواژه‌ها

عنوان مقاله [English]

Study the effect of Salinity on accumulation of ions in seven cotton cultivars Gossypium hirsutum L.

نویسندگان [English]

  • M. Shabdin 1
  • M.A. Rezaei 2
  • O. Alishah 3
  • S.J. Mirgasemi 4
1 Islamic Azad University, Gorgan Branch, Iran
2 Islamic Azad University, Gorgan Branch, Iran
3 Cotton Research Institute of Iran, Gorgan
4 Cotton Research Institute of Iran, Gorgan
چکیده [English]

A pot experiment was carried out to study the effect of different soil salinity on physiological characteristics of cotton plant (Gossypium hirsutum) and determining of resistant cultivars as factorial arrangeed by completely randomized design with 3 replications. Cotton cultivars were including Coker *349, Opal, Bol 539, N200, Acalas sj2* seland, Sahel, Sepid as first factor and levels of salinity in consist of nonesaline and saline, 0.6, 16.5ds/m as second factor. The results showed that effect of salinity on, Na+, K+, Ca2+, Mg2+, Cl-, was significant at 1% probability and.Between cultivars, K+, Cl-, was significant at 1% probability and Na+, Ca2+, was significant at 5% probability and Mg2+, wasn't significant. With regard of total masured characteristic it refered that, Sepid and Sahel cultivars were more tolerant to salinity stress.

کلیدواژه‌ها [English]

  • cotton
  • cultivar
  • Ion
  • Salinity

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