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Improved method for the micropropagation of date palm (phoenix dactylilera L.) through elongation and rooting stages [electronic resource].

By:

Abul-Soad, A. A

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Language: English Summary language: Arabic Description: p.789-802Other title:

طريقة محسنة للإكثار الدقيق لنخيل البلح خلال مرحلتي الإستطالة والتجذير [Added title page title]

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Bulletin of Faculty of Agriculture. Cairo University, 2006 v. 57 (4) [electronic resource].

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In: The bulletin. Faculty of Agriculture. Cairo University 2006.v.57(4)Summary: Differentiated somatic embryos ,of date palm cv. Zaghloul cultured onto nutrient medium containing different growth promoters (NAA and GA₃) and activated charcoal to enhance vegetative shoots elongation. Quantitative and qualitative improvements in shoots elongation and root development have been obtained throughout three subcultures ofsomatic embryos. Inclusion 0.1 mg 1⁻¹ NAA and 3.0 g 1⁻¹ ¹ AC in elongation medium promoted shoot length and leaf width as well as reduced vitrification. Using GA₃ at concentration more than 0.5 mg 1⁻¹ produced delicate shoots. The nutlient medium contaihed 0.1 NAA mg1⁻¹ only was the best medium for root formation in comparison with other treatments. The ideal shoots for transplanting should have 3-4 broad leaves, thick trunk and 4-5 adventitious roots with secondary roots.

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Differentiated somatic embryos ,of date palm cv. Zaghloul cultured onto nutrient medium containing different growth promoters (NAA and GA₃) and activated charcoal to enhance vegetative shoots elongation. Quantitative and qualitative improvements in shoots elongation and root development have been obtained throughout three subcultures ofsomatic embryos. Inclusion 0.1 mg 1⁻¹ NAA and 3.0 g 1⁻¹ ¹ AC in elongation medium promoted shoot length and leaf width as well as reduced vitrification. Using GA₃ at concentration more than 0.5 mg 1⁻¹ produced delicate shoots. The nutlient medium contaihed 0.1 NAA mg1⁻¹ only was the best medium for root formation in comparison with other treatments. The ideal shoots for transplanting should have 3-4 broad leaves, thick trunk and 4-5 adventitious roots with secondary roots.

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