March 2013
Morphological variation in Heliotropium digynum growing in four locations of the central region of Saudi Arabia
This study was carried out to compare the morphological features of the floral and shoot systems of Heliotropium digynum that were collected from different locations in the central region of Saudi Arabia. Heliotropium digynum is a member of Boraginaceae family. The plant is a shrub that has an ecological importance. The height of the plant differs from one population to another and the...
March 2013
Study of heavy metals effect in response to linum seed germination
The aim of the present study is to develop phenotypically stable varieties for those soils that are contaminated with mercury or cobalt. This is a novel report about their ability to grow in the contaminated soil. The benefit of this technology is the potential for low cost remediation. Highly significant differences have been observed among the varieties of Linum usitatissimum for all the characters in all the...
March 2013
Antioxidant activity of Rhodophyceae extracts from Atlantic and Mediterranean Coasts of Morocco
The evaluation of the antioxidant activity of ten aqueous and methanol extracts of the red seaweeds, Pterosiphonia complanata, Boergeseniella thuyoides, Sphaerococcus coronopifolius, Asparagopsis armata, Halopitys incurvus, Hypnea musciformis, Gelidium spinulosum, Plocamium cartilagineum, Gelidium pulchellum and Ceramium rubrum was realized through three different tests. Using the DPPH...
March 2013
Efficiency of ten populations of Schizaphis graminum (Rondani) in the transmission of barley yellow dwarf virus-PAV (BYDV-PAV) in Iran
Variation in transmission of ten clones of Schizaphis graminum (Rondani) originating from different regions of Iran was evaluated by transmitting an isolate of barley yellow dwarf virus-PAV (BYDV-PAV) for which this species ...
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