نتایج جستجو برای: and stems
تعداد نتایج: 16828229 فیلتر نتایج به سال:
objectives: the objective of this study was to analyze the fatty acid content, antioxidant, and antibacterial activities of hydro-methanolic extract of adonis wolgensis l. (a. wolgensis l.) growing wild in north of iran. materials and methods: oils of a. wolgensis l. was obtained by means of soxhlet apparatus from leaves and stems. methyl esters were derived from the oily mixtures by trans-este...
Silicon (Si) is a beneficial element for on plant growth and development that plays an important role in plant resistance to environmental stresses such as salinity and drought. The present research was conducted to study the effect of Si and water deficit on biochemical, physio-morphological and qualitative traits of cut rose cv. Club-Nika under greenhouse conditions. The factorial experimen...
Peniocereus striatus (Cactaceae) and Euphorbia cryptospinosa (Euphorbiaceae) both produce slender pencil-like stems with stomata restricted to series of furrows separated by bark-covered ribs. In each species, as the stems dehydrate, the ribs come together to close off the furrows. The unusual structure of these stems in two unrelated succulent genera is a remarkable example of evolutionary con...
objectives: the objective of this research was to investigate the chemical composition and antibacterial activities of the fatty acids and essential oil from various parts of ligularia persica boiss (l. persica) growing wild in north of iran. materials and methods: essential oils were extracted by using clevenger-type apparatus. antibacterial activity was tested on two gram-positive and two gra...
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