بررسی تاثیر سطوح مختلف دما و سرمادهی مرطوب بر ویژگی‌های جوانه‌زنی و بنیه گیاهچه چوچاق (Eryngium caucasicum Ttautv.)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه علوم باغبانی پردیس دانشگاه گیلان

2 علوم باغبانی پردیس دانشگاه گیلان

3 گروه علوم و مهندسی باغبانی، دانشکده علوم کشاورزی، دانشگاه گیلان

4 استادیار گروه علوم و مهندسی باغبانی، دانشکده علوم کشاورزی، دانشگاه گنبد کاووس، گنبد، ایران

10.22124/jms.2023.22826.1724

چکیده

چوچاق (Eryngium caucasicum Ttautv.) یکی از گیاهان خودروی با اهمیت مناطق استان‌های شمالی کشور می-باشد که مطالعات کمی در رابطه با رفتارهای جوانه ‌زنی آن انجام شده است. به‌منظور ارزیابی سطوح مختلف دما و سرمادهی مرطوب بر جوانه‌زنی و بنیه گیاهچه چوچاق، آزمایشی در قالب طرح فاکتوریل بر پایه طرح کاملا تصادفی با دو فاکتور دما (5، 10، 15، 20 ، 25 و 30 درجه سلسیوس) و سرمادهی مرطوب (0، 1، 2، 3 و 4 هفته) در سه تکرار اجرا شد. در بررسی‌های مورفولوژیک مشاهده شد چوچاق دارای بذر ریز با وزن هزاردانه 45/1 گرم و رطوبت 24 درصد می-باشد. هر بوته به‌طور متوسط 3/11 گل و هر گل 56 بذر دارد. بالاترین میزان درصد جوانه‌زنی (6/74)، سرعت جوانه‌زنی (25/1)، یکنواختی جوانه‌زنی (21/0) و بنیه گیاهچه (2/2) در تیمار 15 درجه بدون اعمال سرمادهی مرطوب مشاهده شد. بالاترین انرژی جوانه‌زنی (64) و کم‌ترین متوسط زمان جوانه‌زنی (26/15) در تیمار 20 درجه بدون اعمال سرمادهی مرطوب مشاهده شد که با تیمار 15 درجه سلسیوس (3/63) تفاوت معنی‌داری نداشت. به‌طور کلی نتایج آزمایش نشان داد که بذر چوچاق در دمای بین 15 تا 25 درجه جوانه می‌زند و بهترین تیمار برای جوانه‌زنی چوچاق دمای 15 درجه بدون اعمال سرمادهی مرطوب بود.

کلیدواژه‌ها


عنوان مقاله [English]

Investigation the effect of different temperature levels and srtatification on seed germination characteristics and plantlet vigor of Eryngium caucasicum Ttautv.

نویسندگان [English]

  • Negar Taleie 1
  • Yousef Hamidoghli 2
  • Jamal-Ali Olfati 3
  • Mehdi Zarei Mohamadabad 4
1 guilan university -pardis sait
2 GUilan University- pardis sait
3 Department of Horticultural sciences, Faculty of Agricultural sciences, University of Guilan
4 Assistant Professor, Department of Horticultural Sciences, Faculty of Agricultural Sciences, University of Gonbad, Gonbad, Iran
چکیده [English]

Eryngium caucasicum is one of the important endemic plants in the northern provinces of Iran. Few studies have been done in relation to its germination. Studying its domestication and propagation can play an important role in preserving and commercializing. To evaluate seed germination and plantlet vigor of Eryngium caucasicum, a laboratory experiment was conducted as factorial based on a completely randomized design in 3 replications with two factors, temperature (5, 10, 15, 20, 25 and 30 °C) and stratification (0, 1, 2, 3 and 4 weeks). According to morphological studies, the thousand seed weight of Eryngium small seeds was estimated 1.45 g and a moisture content of 24%. The average of flowers per plant is 11.3 and the average of seeds per fruit is 56. The highest germination percentage (74.6), germination rate (1.25), germination uniformity (0.21), and seed vigor (2.2) are shown at 15°C without stratification. The highest germination energy and the shortest germination time (15.26) were observed in 20°C without stratification (64), which is not significantly different from the treatment of 15°C (63.3). In general, the results of the experiment showed that Eryngium seeds germinate at temperatures between 15 and 25 °C, and no germination was observed at temperatures of 5, 10, and 30 °C, and the best temperature for Eryngium germination is 15 °C without stratification.

کلیدواژه‌ها [English]

  • Domestication
  • Eryngium caucasicum
  • Seed germination
  • Seed vigor
  • Thousand seed weight
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