بررسی اثر غلظت کلسیم در محلول غذایی و بستر کشت بر عملکرد کمی و کیفی سوسن هیبرید آسیاتیک

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار، گروه باغبانی، دانشگاه آزاد اسلامی واحد رشت

2 دانشجوی سابق کارشناسی ارشد، گروه باغبانی، دانشگاه آزاد اسلامی واحد رشت

چکیده

به‏منظور بررسی اثر کلسیم و بستر کشت بر رشد سوسن (هیبرید آسیاتیک سوسن رقم ترسور) و جذب عناصر غذایی، یک آزمایش فاکتوریل در قالب طرح کاملاً تصادفی با دو فاکتور غلظت کلسیم در محلول غذایی در سه سطح (2، 4 و 6 میلی‌مولار)، و پنج نوع بستر کشت (پرلیت 100 درصد، پرلیت 70 درصد + کوکوپیت 30 درصد، پرلیت 50 درصد + کوکوپیت 50 درصد، کوکوپیت 70 درصد + پرلیت 30 درصد و کوکوپیت 100 درصد) با سه تکرار طراحی و اجرا شد. ارتفاع گیاه، قطر ساقه، ارتفاع زایشی، تعداد جوانۀ گل، قطر گل، تعداد روز تا گلدهی، وزن خشک و ماندگاری گل و پس از عصاره‏گیری از مادۀ خشک اندام هوایی، غلظت نیتروژن، فسفر، پتاسیم، کلسیم و منیزیم اندازه‏گیری و جذب این عناصر محاسبه شد. نتایج نشان داد که در بستر ترکیب کوکوپیت و پرلیت، با افزایش درصد کوکوپیت در بستر کشت، ارتفاع ساقۀ گل‏دهنده و ارتفاع گیاه، قطر ساقه و گل و تعداد جوانۀ گل که در بازارپسندی سوسن از اهمیت بسزایی برخوردارند، افزایش شایان ملاحظه‌ای داشتند. در غلظت یکسان کلسیم، مخلوط 70 درصد کوکوپیت با 30 درصد پرلیت منجر به افزایش دوام گل شد، اما در بسترهای کوکوپیت و پرلیت خالص، افزایش غلظت کلسیم سبب افزایش ماندگاری گل شد.

کلیدواژه‌ها

عنوان مقاله [English]

Evaluatation of influencing Ca concentration in nutrient solution and growth medium on the quantitative and qualitative yield of Lilium (Asiatic hybrid lilium)

نویسندگان [English]

  • Ali Mohammadi Torkashvand 1
  • Najme Seyedi 2
1 Associate Professor, Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, Iran
2 Former M. Sc. Student, Department of Horticulture, Rasht Branch, Islamic Azad University, Rasht, Iran
چکیده [English]

To investigate effect of calcium and growth medium on Lilium (Asiatic Hybrid Lilium bulbs “Tresor” cultivar) and nutrients uptake, a factorial experiment based on completely randomized design was conducted by three levels of calcium in nutrient solution (2, 4 and 6 mM*) and five growth media (100% Perlite, 70% Perlite + 30% Cocopeat, 50% Perlite + 50% Cocopeat, 30% Perlite + 70% Cocopeat, 100% Cocopeat) with three replicates. The attributes measureing in this experiment were height of the plant, stem diameter, length of flower stalk, number of buds, flower diagonal diameter, time taken to blossom, weight of the dried plant and postharvest vase life. Results showed that the height, stem and flower diameter, flowering stem height and bud number increased in combined bed of coccopeat and peat proportional to increment of coccopeat proportion. At the same concentration of calcium, the mixture of 70% coccopeat and 30% perlite increased flower longevity, but in net coccopeat and perlite, increasing of calcium led to increase in flower longevity.

کلیدواژه‌ها [English]

  • Asiatic hybrid lilium
  • Coccopeat
  • nutrient
  • ornamental
  • Perlite
  • plant nutrition
  • Uptake

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  • تاریخ دریافت: 08 بهمن 1392
  • تاریخ بازنگری: 22 تیر 1393
  • تاریخ پذیرش: 24 شهریور 1393

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