Aeroponic culture is an alternative method for optimizing growth of different plants in controlled conditions. Aeroponic systems are an efficient tool for the root studies and improving medicinal root production. In order to study the feasibility of valerian (Valeriana officinalis L.) production in aeroponic systems and assessing the effects of different NAA concentrations (0, 0.1, 0.3, and 0.5...

azam  kadkhodaie1, mohammad bagheri2* 1-young researchers club, ardestan branch, islamic azad university, ardestan, iran 2-ardestan branch, islamic azad university, ardestan, iran       *corresponding author:  e-mail:[email protected]      received: 31 jun 2012 accepted: 8 october 2012     abstract tolerance to salt (nacl) and drought conditions of treated seeds (control, osmopriming and h...

The root : shoot ratio for Ilex cassine L. grown 7 months in copper-treated containers was less than in nontreated containers. There was less dry weight for roots <5 mm in diameter in copper-treated containers than in nontreated containers in the outer 1 cm of the rootball. Dry weight of roots >5 mm in diameter within the rootball were not affected by copper hydroxide treatment. Coating the int...

Ficus benjamina L. is indoor plant in temperate areas that is a tree species belongs to Moraceae family. Propagation of this plant is down by vegetative method. This study was conducted to evaluate the effect of IBA concentration and time of taking cutting on propagation of Ficus benjamina via stenting technique in Gorgan University of Agricultural Sciences and Natural Resources, in 2012. Treat...

We studied root growth and respiration of potted plants and field-grown aspen trees (Populus tremuloides Michx.) exposed to ambient or twice-ambient ozone. Root dry weight of potted plants decreased up to 45% after 12 weeks of ozone treatment, and root system respiration decreased by 27%. The ozone-induced decrease in root system respiration of potted plants was more closely correlated with dec...

The detrimental drought effects could be listed as the loss in dry weight and silicon is known to enhance crop tolerance to drought by increasing seedling growth and hydraulic conductivity. To investigate the effects of silicon priming (0, 1 and 2 mM as sodium silicate), on seedling growth and root anatomy of three barley cultivars (Khatam, Rihane, and Nimrooz) a laboratory experiment was condu...

plants and field-grown aspen trees (Populus tremuloides Michx.) exposed to ambient or twice-ambient ozone. Root dry weight of potted plants decreased up to 45% after 12 weeks of ozone treatment, and root system respiration decreased by 27%. The ozone-induced decrease in root system respiration of potted plants was more closely correlated with decreased root dry weight than with specific root re...

seeds of nine sugar beet lines: five drought tolerant, two susceptible, and two medium tolerant were washed, sterilised, dried, and sown in water agar medium for germination test. seedling growth characters such as cotyledon fresh weight (cfw), cotyledon dry weight (cdw), root fresh weight (rfw), root dry weight (rdw), and root length (rl) were determined after the end of 28 days period of expe...