Narcissus spp. are of great importance to pharmaceutical industries because of biosynthesis of Amaryllidaceae alkaloids. N. tazetta with several varieties is a widespread species, native to the Mediterranean region with considerable distribution in Iran. In the present study, calli, roots and bulblets were regenerated from N. tazetta var. Meskin. In order to report alkaloid profile and quantify...

Abstract Dormancy regulation is the basis of sustainable development lily industry. Therefore, basic research on dormancy crucial for innovation cultivation and breeding. Previous studies revealed that release largely depends abscisic acid (ABA) degradation. However, key genes potential regulatory network remain unclear. We used exogenous ABA inhibitors to elucidate effect dormancy. Based resul...

Somaclonal variation that possibly occurs during the process of plant tissue culture is considered to provide a source of new germplasm. Polyploidy is one of the most frequent incidents among the somaclonal variations. In the present study, we performed cytological and morphological characterization of tetraploid plants that were obtained from long-term subcultured callus culture of Lilium long...

like other developing countries, iranian cities are growing and expanding physically at a high speed. for about five decades, the only policy of the urban development plans in the field of urban growth management has been definition of the urban growth boundary (u.g.b.) which is still used without any major modifications.despite the slight evidences indicating the ineffectiveness of the current...