اثر بسترهای کشت بر رشد و نمو و پاجوش‌دهی پاندانوس

نوع مقاله : مقالات پژوهشی

نویسندگان

• علی صالحی ساردویی ¹
• پرویز رهبریان ²

¹ دانشگاه ازاد وا حد جیرفت

² دانشگاه ازاد جیرفت

https://doi.org/10.22067/jhorts4.v30i2.27049

چکیده

به منظور ارزیابی اثر محیط‌های کشت بر رشد رویشی گیاه برگ زینتی پاندانوس آزمایشی در قالب طرح کاملاً تصادفی با هشت تیمار و چهار تکرار در گلخانه تحقیقاتی دانشگاه آزاد اسلامی واحد جیرفت صورت گرفت. گیاهان پاندانوس از نظر ویژگی‌های رویشی تفاوت معنی‌داری با یکدیگر نشان دادند. بیشترین میزان ارتفاع گیاه با میانگین (40 سانتی‌متر) در هر گیاه در محیط کشت حاوی کوکوچیپس مشاهده گردید و کمترین آن در بستر کشت پیت ماس با میانگین (17 سانتی‌متر) بدست آمد که از لحاظ آماری تفاوت معنی‌داری را با هم نشان دادند. بیشترین تعداد برگ با میانگین (20) در بستر 50 درصد پیت ماس + 25 درصد ماسه + پرلیت بدست آمد و کمترین آن در بستر پیت ماس با میانگین (16) به همراه بود، که این نتایج نشان می‌دهد استفاده متقابل از ماسه + پرلیت در بستر کشت نسبت به استفاده خالص آن تعداد برگ را افزایش می‌دهد. بیشترین سطح برگ مربوط به بستر 50 درصد پیت نخل+25 درصد ماسه+25 درصد پرلیت با میانگین (97/413 سانتی‌متر مربع) و کمترین آن در بستر پیت ماس با میانگین (8/189 سانتی‌متر مربع) بدست آمد که از لحاظ آماری تفاوت معنی‌داری را با هم نشان دادند. بیشترین تعداد تنه جوش و سطح ویژه برگ به ترتیب با میانگین 8 و 81/256 سانتی متر مربع مربوط به بستر پیت نخل و کوکوپیت بود، کمترین آن در بستر پیت ماس به ترتیب با میانگین (2) و (45/91 سانتی‌متر مربع) بود.

کلیدواژه‌ها

• تنه جوش
• پیت نخل
• رنگدانه‌های فتوسنتزی
• سطح برگ

20.1001.1.20084730.1395.30.2.20.7

عنوان مقاله [English]

Effect of Media Culture on Growth and Sucker Pandanus Plant

نویسندگان [English]

• Ali Salehi Sardoei ¹
• Parviz Rahbarian ²

¹ Jiroft Islamic Azad University

² Jiroft Islamic Azad University

چکیده [English]

Introduction: One factor that is of great importance to the cultivation of flowers and ornamental plants, is the media. Planting plants in containers as an important component of the nursery technology has grown. Compared with farm volume, growth media used for each plant greatly reduce plant growth that largely influence by the physical and chemical properties of growth media used. Therefore, good management of potted plants bed will cause the plants have good quality. A good growth media with optimal physical and biological properties, relatively inexpensive, stable and style enough to work should be available. The Burgers showed that composted green waste can be used as substrates for soilless cultivation and improve the water-holding capacity of soil. The garden has a range of materials including hardwood and softwood bark, leaves, soil, waste, sewage sludge and coconut (cocopeat) that has been used as a seed bed. According to the economic issues and increasing moisture storage, palm peat substrates are primary material that can be prepared as a good growth medium for the producing's presented level Country. Peat moss is not applicable to all plants because of high cost and poor absorption characteristics like low pH and low water holding capacity . This study was conducted to investigate the possibility of replacing peat moss palm waste and the effect of it on growth characteristics were studied.
Materials and Methods: The experimental design was completely randomized design with four replications of eight treatments. The compressed unit (block) was supplied and commercial cocopeat was used because of reducing the cost of transportation. Before applying this material, the amount of water was added for opening up and voluminous and become it completely uniform.. In treatments containing sand + perlite, these four types volume ratio of 1:1 and mixed with sand + perlite were used. First, wooden cuttings of pandanus in a bed of sand rooted in the greenhouse, then the rooted cuttings were transferred to pots with a diameter of 17cm. The pots were filled with the examined material. After planting in pots in a greenhouse with temperature of 20-25°C in winter and 30-35°C in summer were kept on planting plans. The indicators of growth including stem diameter, stem length and lateral shoot number, leaf area and chlorophyll index were measured. Analysis was performed on data using SPSS 16. Comparisons were made using one-way analysis of variance (ANOVA) and Duncan’s multiple range tests. Differences were considered to be significant at P < 0.05.
Results and Discussion: Vegetative characteristics of pandanus plants were significantly different from each other. Results showed that the mean media of cococheps and 50% peat palm + 25% sand + 25% perlite had the highest leaf area with 413.97 and 378.69cm2 respectively and non-significant difference was showed. Means followed by same letter are not significantly different at P

کلیدواژه‌ها [English]

• growth
• Media culture
• Pandanus
• Photosynthetic pigments
• Sucker

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