آمار
| تعداد نشریات | 31 |
| تعداد شماره‌ها | 742 |
| تعداد مقالات | 8,129 |
| تعداد مشاهده مقاله | 9,898,520 |
| تعداد دریافت فایل اصل مقاله | 9,377,962 |
اثر پلیمر سوپر جاذب بر عملکرد و برخی صفات گوجه‌فرنگی تحت رژیم‌های مختلف آبیاری | ||
| دانش کشاورزی وتولید پایدار | ||
| مقاله 11، دوره 28، شماره 4، زمستان 1397، صفحه 163-174 اصل مقاله (745.27 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| نویسندگان | ||
حمداله ساجدی نیا1؛ مهدی صیدی  2؛ فردین قنبری2؛ مجیئ بگ نظری2
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| 1دانش آموخته کارشناسی ارشد، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه ایلام | ||
| 2گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه ایلام | ||
| چکیده | ||
| به‌منظور بررسی اثرات پلیمر سوپر جاذب بر گوجه‌فرنگی تحت دورهای مختلف آبیاری در شرایط مزرعه آزمایشی در دانشکده کشاورزی دانشگاه ایلام در سال 1394 به‌صورت اسپلیت پلات در قالب طرح بلوک‌های کامل تصادفی با سه تکرار انجام گرفت. در کرت‌های اصلی چهار سطح آبیاری شامل فاصله دو، چهار، شش و هشت روز یک‌بار و در کرت‌های فرعی پنج سطح پلیمر سوپر جاذب A200 (100، 170، 240 و 310 کیلوگرم در هکتار) اعمال شد. میوه‌ها در مرحله رسیده برداشت و صفات عملکردی و پارامترهای فیزیولوژیکی اندازه‌گیری شد. نتایج نشان داد که سطوح مختلف پلیمر سوپر جاذب و آبیاری تأثیر معنی‌داری بر عملکرد و پارامترهای فیزیولوژیکی گیاه مانند محتوای رطوبت نسبی، کلروفیل، پرولین، نشت یونی و بازده مصرف آب داشت. با افزایش دور آبیاری عملکرد کل ، محتوای رطوبت نسبی، بازده مصرف آب و کلروفیل کاهش ولی نشت یونی و پرولین افزایش یافت. کاربرد پلیمر سبب کاهش آثار منفی تنش خشکی بر گیاه شد. کاربرد این ماده سبب افزایش معنی‌دار عملکرد، محتوای رطوبت نسبی، کلروفیل و همچنین بازده مصرف آب و کاهش نشت یونی و پرولین شد. به‌طورکلی نتایج این تحقیق نشان داد که با کاربرد پلیمر سوپر جاذب می‌توان دور آبیاری را در گیاه گوجه‌فرنگی افزایش داد بدون اینکه اثر مضری بر عملکرد و کیفیت میوه داشته باشد. | ||
| کلیدواژه‌ها | ||
| بازده مصرف آب؛ پرولین؛ کلروفیل؛ نشت یونی؛ هیدروژل | ||
| عنوان مقاله [English] | ||
| Effects of Superabsorbent Polymer on Yield and Some characteristics of Tomato under Various Irrigation Regimes | ||
| نویسندگان [English] | ||
| Hamdolah Sajedinia1؛ Mehdi Saidi2؛ Fardin Ghanbari2؛ Majid Bagnazari2 | ||
| چکیده [English] | ||
| In order to evaluate the effect of the super absorbent polymer application on tomato plant under different irrigation intervals in field condition, an split plot experiment in a completely randomized block design (CRBD) at three replications was carried out at the Agricultural Research Station, University of Ilam, Iran at 2013. Main plot consisted of four levels of irrigation (2, 4, 6 and 8 days) and sub-plot was consisted of super absorbent (100, 170, 240 and 310 kg.ha-1). The Fruits were harvested at the ripening stage and traits were assessed. Results showed significant effects of irrigation and superabsorbent polymer on total yield and plant physiological parameters including relative water content (RWC), water use efficiency (WUE), chlorophyll and proline content of leaves and electrolyte leakage. In drought conditions total yield, RWC, WUE and chlorophyll reduced but electrolyte leakage, proline content and WUE increased. Application of super absorbent lead to decreases on the negative effects of drought on the studied traits. Application of superabsorbent polymer significantly increased total yield, RWC, WUE, chlorophyll and reduced electrolyte leakage and proline content. The results clearly showed that the use of super absorbent polymer can expand irrigation intervals in planting tomatoes without loss of yield and product quality. | ||
| کلیدواژه‌ها [English] | ||
| Chlorophyll, Electrolyte leakage, Hydrogel, Proline, Water Use Efficiency | ||
| مراجع | ||
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آمار تعداد مشاهده مقاله: 79 تعداد دریافت فایل اصل مقاله: 113 |
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