نتایج جستجو برای: onagraceae
تعداد نتایج: 272 فیلتر نتایج به سال:
Seed germination in Ludwigia was greatly influenced by seed age and soil type. In Ludwigia abyssinica germination was not influenced by seed age and soil texture. Freshly shed seeds and six month old seeds of Ludwigia decurrens variety B showed a very low percentage germination on all the germination media, and six month old seeds germinated significantly earlier than freshly shed seeds. Some s...
Despite an abundance of theory, few empirical studies have explored the ecological and evolutionary consequences of sex. We used a comparative phylogenetic approach to examine whether transitions between sexual and asexual reproduction are associated with changes in the size and distribution of species' geographical ranges, and their investment in reproduction. Here, we reconstructed the phylog...
مشاهدات کروموزومی برای 17 گونه متعلق به 9 خانواده ارائه شده است. شمارش کروموزومی برای 6 گونه شامل : tanacetum polycephalum subsp. duderanum (asteraceae) (n=18), cardaria draba subsp. chalepensis (brassicaceae) (n=32), minuartia lineate (caryophyllaceae) (n=10), silene latifolia subsp. persica (caryophyllaceae) (n=12+1b), epilobium confusum (onagraceae) (n=10), and rumex scutatus (polygonaceae) ...
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