This article provides an up-to-date review of disease-causing viruses and phytoplasmas currants including symptoms, transmission, detection, economic impact, control measures. Currants are widely cultivated in more than 30 countries the temperate zones Europe, Asia, South America, Australia, New Zealand. Ribes spp. can be infected by 20 virus species four Candidatus Phytoplasma species, with to...

The hexane extract of the flowers of Rheum ribes L. which was collected from north-western Iran,was obtained by Soxhlet apparatus and the essential oil composition was obtained by hydro distillationand analyzed by using GC-GC/MS. The extract from the flowers was characterized by a high amountof unsaturated fatty acids (UFA) (66.0%) and some of long chain hydrocarbon compounds. The maincomponent...

Cannabis sativa, Myristica fragrans, Piper longum and Embleia ribes are the active pharma ingredients of an ayurvedic herbal formulation Jatiphaldya, which is beneficial in many typical stomach related disorders. The present study is aimed to develop a simple and reliable thin layer chromatographic (TLC) method using micellar solution of sodium dodecyl sulfate (SDS) as mobile phase for the iden...