M. Emam; A. Ghamarizare; K. Espahbodi; T.S. Naraghi; Sh. Shahrzad; H. Zare; L. Mirjani
Abstract
Sorbus aucuparia is a medicinal species belonging to Rosaceae family. Its medicinal value is due to its fruit and leaves. To investigate the effect of medium, plant growth regulators and genotype on In vitro regeneration of Sorbus aucuparia, apical buds were collected from adult trees at different localities ...
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Sorbus aucuparia is a medicinal species belonging to Rosaceae family. Its medicinal value is due to its fruit and leaves. To investigate the effect of medium, plant growth regulators and genotype on In vitro regeneration of Sorbus aucuparia, apical buds were collected from adult trees at different localities (Siabishe, Farim and Foolad mahalle) in all seasons. Cleaning and brushing of buds with tween and ethanol 70% solution was identified as the best method of buds sterilization. For sterilization phase, treatment solution of 0.1% HgCl2 for four minutes and three minutes were respectively identified as the best treatments for Farim and Siabishe at the beginning of the winter season. This treatment was useful for 5 minutes in summer for genotypes of Foolad mahalle. The best medium for shoot regeneration was DKW with BA 0.5 mg/lit, TDZ 0.05 mg/lit and IBA 0.1 mg/lit. Shoot growth was achieved in MS with 2ip 0.5 mg/lit. Shoots were rooted in MCM suspension medium supplimented with vermiculite and 1.5 mg/lit IBA under dark conditions.
F.S. Serry; A. Ghamari-Zare; Sh. Shahrzaad; M.A. NaderiShahab; S. Kalate-jary
Abstract
Salvia leriifolia Benth. (Noruozak) is a perennial plant which belongs to the Lamiaceae family. This herb has a great importance in the sense of pharmaceutical applications. In the nature, seeds of Salvia leriifolia hardly germinate endangering its survival. In this work, in addition of studying the ...
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Salvia leriifolia Benth. (Noruozak) is a perennial plant which belongs to the Lamiaceae family. This herb has a great importance in the sense of pharmaceutical applications. In the nature, seeds of Salvia leriifolia hardly germinate endangering its survival. In this work, in addition of studying the causes of low germination rate, different physic-chemical treatments such as scratching on seed coat, scratch seeds under running water, intact seeds under running water, coatless seeds, treating intact seed with 98% sulphuric acid for 10 and 15 minutes were investigated. Seeds were collected from Abkhandari station in Sabzevar city in 2009. For sterilization, the solution of HgCl2 0.1% w/v was applied for seeds in all of treatments. Also four temperature treatments of 4, 20, 25C° and keeping at 4C° for a week then transferring to 25C° on germination of seeds were considered. There was no seed germination happened in control, mechanical scratching, running water and sulphuric acid treatments. The coatless seeds treatment and incubation at 4C° for a week and then transferring to 25C° has the most effect on seeds germination, with 100% seed germination. According to the results, removing the hard and impermeable seed coat of Salvia leriifolia as a physical prevention and low temperature as a physiological factor were identified as effective method in germination of the mentioned species.
F. Sefidkon; S. Meshkizadeh; S. Shahrzad
Volume 18, Issue 1 , February 2003, , Pages 23-42
Abstract
Sequoia is a very big and ever green tree with 45-90 meter height. It is native to the side of Atlantic Ocean, Which is also cultivated in Iran. The plant materials were collected from one of the Sequoia trees from Rezvanshahr Garden in August. The height to this tree was 40 meter and it was 30 years ...
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Sequoia is a very big and ever green tree with 45-90 meter height. It is native to the side of Atlantic Ocean, Which is also cultivated in Iran. The plant materials were collected from one of the Sequoia trees from Rezvanshahr Garden in August. The height to this tree was 40 meter and it was 30 years old. For preparation of tissue culture samples, the end part of shoots in 1-2 centimeter length have been cultivated. The leaves from main tree and also tissue culture sample were hydro- distilled for their essential oils. The oils were analyzed by combination of capillary GC and GC/MS. 72 Compounds were identified in the leaf oil of main tree and 37 compounds were characterized in the leaf oil of tissue culture sample. The main components of the oil from main tree were β- phellandrene and limonene (13.30%), α- pinene (6.83%), terpinene –4-ol (6.47%), g-teroubebe *5.44%) and germacrene B (4.17%), while the major components of the oil from tissue culture sample were α- pinene (26.30%), α- terpinenyl acetate (14.40%), sabinene (13.60%), g- terpinene (7.10%), germacrene D (6.90%), b-phellandrene and limonene (6.60 %) and p-cymene (5.00%). Althoug these components were found in both oils, but the higher percentage of some useful compounds in the oil of tissue culture sample, gave it more effective character.
