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Spartidium saharae is an endemic species of the Saharo‐Arabian region. It is a tall shrub widely distributed in many sandy habitats including desert dunes and sandy systems in south‐western part of Tunisia, where water and salinity are serious constraints. Laboratory experiments were carried out to assess temperature and salinity effects on seed germination. The seed germination responses were determined...
Twenty-eight populations of Allium roseum from Tunisia, belonging to five bioclimatic zones, were assessed by seven vigor reproductive descriptors: number of seeds produced per plants, number of small bulbs, number of middle bulbs, number of big bulbs, total number of bulbs, seeds weight and weight of total bulbs. The data underwent an analysis of variance and a discriminant analysis.Significant differences...
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