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تأثیر تنش شوری کلرید سدیم و محلولپاشی با سولفات روی بر عملکرد و برخی صفات فیزیولوژیک گل جعفری افریقایی (TageteserectaL.) | ||
| دانش آب و خاک | ||
| مقاله 9، دوره 28، شماره 3، پاییز 1397، صفحه 105-115 اصل مقاله (857.7 K) | ||
| نویسندگان | ||
لمیا وجودی مهربانی  1؛ محمد باقر حسن پور اقدم2؛ رعنا ولیزاده کامران3
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| 1استادیار گروه زراعت و اصلاح نباتات دانشگاه شهیدمدنی آذربایجان | ||
| 2دانشیار گروه علوم باغبانی دانشگاه مراغه | ||
| 3استادیار گروه بیوتکنولوژی کشاورزی دانشگاه شهید مدنی آذربایجان | ||
| چکیده | ||
| گل جعفری گیاه تزئینی و دارویییک ساله است که بهخانواده کاسنی تعلق داشته و بهعنوان گیاه زینتی ودارویی بهصورت گسترده در فضاهای سبز کاشته می‌شود. برای بررسی اثرهای تنش شوری (صفر، 5/7، 15و 5/22دسیزیمنس بر متر) و محلولپاشی با سولفات روی (صفر، 100 و 200 میلیگرمدر لیتر)آزمایشی به صورت فاکتوریل بر پایه طرح بلوکهای کامل تصادفی با سه تکرار انجام شد. نتایج نشان داد کهاثر متقابل شوری و محلولپاشی سولفات روی بر صفات وزن خشک گل، برگ، ساقه، غلظت روی و نشت یونی در برگ معنادار (1%P≤) بود. بیشترین وزن خشک گل (46/0 گرم)، ساقه (54/0 گرم) و غلظت روی (0/60 میکرو گرم بر گرم وزن خشک) در تیمار محلولپاشی200 میلیگرم در لیتر سولفات روی و در تیمار شاهد(تنش شوری صفر) حاصل شد. تنش شوری مقدارنسبی آب برگ را تحت تأثیر قرار داد و بیشترین مقدارنسبی آب برگ (83%) درتیمار شاهد مشاهده شد. تنش شوری تأثیر مثبت بر غلظت یون سدیم، نشت یونی، غلظت پرولین و مالون دیآلدئید برگ داشت و بیشترین میزان صفات مذکور در سطح شوری 5/22 دسیزیمنس بر متر کلرید سدیم ثبت گردید. تنش شوری موجب افزایش فعالیت آنزیم کاتالاز در تیمارهای 15 و5/22 دسیزیمنس بر متر کلرید سدیم شد. در مجموع محلولپاشی روی کارکرد مثبتی در کاهش تاثیر شوری داشت. | ||
| کلیدواژه‌ها | ||
| پرولین؛ تنش شوری؛ کاتالاز؛ گل جعفری؛ مالون دی آلدئید | ||
| عنوان مقاله [English] | ||
| Effect of NaCl Salinity and ZnSO4 Foliar Application on Yield and Some Physiological Traits of Tagetes erecta L. | ||
| نویسندگان [English] | ||
| L Vojodi Mehrabani1؛ MB Hassanpouraghdam2؛ R Valizadeh Kamran3 | ||
| 1Assist. Prof.Dept. of Agronomy and Plant Breeding, Azarbaijan Shahid Madani University, Tabriz, Iran | ||
| 2Assoc. Prof.Dept. of Horticultural Sciences, Faculty of Agriculture,University of Maragheh, Iran | ||
| 3Assist. Prof.Dept. of Biotechnology, Faculty of Agriculture, Azarbaijan Shahid Madani University, Tabriz, Iran | ||
| چکیده [English] | ||
| Tagetes erectais an annual plant from the Asteraceae;commonly cultivatedas an ornamental and medicinal plant and has a widespread use in landscape designing.An experiment was conducted as factorial based on randomized complete block design to evaluate the effects of salinity (0, 7.5, 15 and 22.5 dSm-1) and zinc sulphate foliar application (0, 100 and 200 mgL-1) on some physiological traits of T. erecta. The results revealed the interaction effects of salinity and Zn foliar application on flower, leaves and stem dry weight, as well as on Zn concentration and ion leakage were significant (P≤1%). The highest flower (0.46 g) and stem (0.54 g) dry weight, as well as the greatest amount for Znconcentration (60.0 µg g-1DWt) belonged to 200 mgL-1 Zn foliar application. Salinity stress significantly influenced the leaves Relative Water Content (RWC) and the highest data for this trait was measured incontrol treatment. Salinity stress had a positive meaningful influence on Na+concentration, ion leakage, proline content and also malondialdehyde content of the plants and the top-recorded quantityof these traits belonged to the highest salinity level i.e. 22.5 dSm-1 NaCl. Salinity stress increased the catalase enzyme activities in 15 and 22.5 dSm-1salinity treatments. In total, Zn foliar application had partial positive effect on the amelioration of salinity effect on the plant | ||
| کلیدواژه‌ها [English] | ||
| Catalase, Dry weight, Proline, Tagetes erecta, Zinc foliar application | ||
| مراجع | ||
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آمار تعداد مشاهده مقاله: 82 تعداد دریافت فایل اصل مقاله: 131 |
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