Laboratory of Biology of Plants and Microorganisms

science of, Morocco

Laboratory of Biology of Plants and Microorganisms

science of, Morocco
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Mzabri I.,Laboratory of Biology of Plants and Microorganisms | Legsayer M.,Laboratory of Biology of Plants and Microorganisms | Chetouani M.,Laboratory of Biology of Plants and Microorganisms | Aamar A.,Laboratory of Biology of Plants and Microorganisms | And 4 more authors.
Journal of Materials and Environmental Science | Year: 2017

Saffron (Crocus sativus L./Iridaceae family) is the most expensive spice in the world. It has been cultivated in Morocco for centuries and has represented a traditional staple for culinary, medical and cosmetic uses. This study aims to optimize saffron yield parameters (saffron morphology, flowering, and corm yield) focusing on its performance in the semiarid regions of eastern Morocco using low-temperature storage, salt and drought stresses. Corms obtained from salt and drought stresses and stored in cold storage at 4 °C for 7 and 14 days (with a control kept at room temperature) were cultivated in open fields at the Experimental Station of the Faculty of Sciences of Oujda. The number of flowers formed in the yield of spice saffron per corm and daughter corm parameter depended on storage temperature and cold storage duration. Flowers from the corm that were cold-stored for 14 days formed earlier than other treatments. The flowers' number, fresh stigma yield decreased with the increase of the duration of cold- storage. Similarly, length and leaf number showed the same decrease with the increase of the cold storage period. The diameter of produced daughter corms was the largest in control. However, the boost of cold storage time increases the number of small daughter corms per plant. Cold storage induces precocious dormancy. Overall, no benefit resulted from cold- storage of corms; and corms from stressed plants had no effect on the studied parameters. © 2017, University of Mohammed Premier Oujda Morocco.


Karimi M.,Laboratory of Biology of Plants and Microorganisms | Berrichi A.,Laboratory of Biology of Plants and Microorganisms | Boukroute A.,Laboratory of Biology of Plants and Microorganisms
Journal of Materials and Environmental Science | Year: 2014

This work led to the vegetative propagation of Thymus satureioides, aims to study the effect of the indole 3-butyric acid (IBA) on rhizogenesis of two cuttings types (basal and summit). This plant species is widely used for its medicinal virtues. An experimental device was installed under glasshouse at the Experimental Station of the Faculty of Sciences of Oujda. The results show that untreated basal cuttings have a low average rate of rooting (11%). Moreover, the hormone treatment shows significant differences in the rooting rate (25%) for high concentrations of auxin (500 ppm). These types of cuttings are considered refractory to vegetative propagation. Besides, the hormone treatment significantly improved the rate of summit cuttings rooting (RR=48% for C0 and 91% for C3 (500 ppm)). In addition, the hormone has a significant effect on the qualitative aspects of summit cuttings rooting of T. satureioides.

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