نتایج جستجو برای: plant aerial part
تعداد نتایج: 1036457 فیلتر نتایج به سال:
A more detailed account of this work is being prepared for publication. 1 For some years investigations of the relations of environment to plant disease have been in progress at the University of Wisconsin (see Jones, L. R., "The Relation of Environment to Disease in Plants," Amer. J. Bot., 11, 601-609 (1924)). The present paper treats of a disease which affects only certain aerial parts of the...
Human urine is a potential alternative fertilizer for agriculture. However, its usage is associated with a risk of spreading pharmaceutical residues to fields. The individual and combined behavior of carbamazepine and ibuprofen was investigated by GC/MS analysis in a greenhouse experiment using ryegrass fertilized with pharmaceutical-spiked urine. Only carbamazepine could be detected in soil, r...
In the present study, the presence of the phloroglucinol derivative hyperforin, the naphthodianthrones hypericin and pseudohypericin, the phenylpropane chlorogenic acid and the flavonoids rutin, hyperoside, kaempferol, isoquercetine, quercitrine, and quercetine was investigated in Hypericum leptophyllum Hochst., an endemic Turkish species for the first time. The aerial parts representing a tota...
Many Geum species are known to be rich in biologically active compounds and therefore could be a source of new natural products with pharmacological potential. The medicinal plant Geum urbanum L. is widespread in Bulgaria and has been used in folk medicine. In the present study, the methanol extracts of the roots and aerial parts of G. urbanum and their fractions (petroleum ether, ethyl acetate...
To disperse their spores to new sites, filamentous fungi and bacteria need to erect aerial filaments, which develop into fruiting bodies and spore-bearing structures. The first challenge to aerial development is breaking surface tension at an aqueous-air interface, and in both groups of microorganisms, surface-active proteins take part in the initiation of aerial morphogenesis. Comparative anal...
Result revealed that all tested extract( hot and cold water) alcoholic (ethanol & methanol) glycosidic tannic extract at concentration 25, 50, 100 mg/ml were of Erodium cicutarium species (Geraniaceae) grown in north middle Iraq for their antibacterial (against some gram negative Staphylococcus aureus , Streptococcus lactis Gram Eschichia coli Proteus mirabilis pathogenic bacteria) That the...
Neuroprotective effect of the extract from aerial parts of Scrophularia striata Boiss (Scrophulariaceae) was investigated against glutamate-induced neurotoxicity on cultured rat pups Cerebellar Granule Neurons (CGNs). CGNs from 8 days old Sprague-Dawley rat were prepared and cultured. The experiments were performed after 8 days in culture. The plant was collected from the northeastern part (Rui...
Various studies have already been performed involving the whole aerial parts of Centella asiatica (L.) (Umbelliferae), commonly known as gotukola or jalbrahmi and thus the present investigation has been carried out for the phytochemical study of ethanolic extract of the aerial parts of Centella asiatica. To perform this activity, the drug (1.5kg) was exhaustively extracted in 95% ethanol using ...
The diversity of plant species and their distribution in space are both thought to have important effects on the function of wetland ecosystems. However, knowledge of the relationships between plant species and spatial diversity remains incomplete. In this study, we investigated relationships between spatial pattern and plant species diversity over a five year period following the initial resto...
given the potential for carbon storage in plant tissues, this approach has a serious interest in recent decades. therefore, the ability of carbon storage in astragalus gossypinus and astragalus parrowianus were examined in part of alpine pastures in kermanshah province. after determining the representative districts, according to 4 main aspect and 5 category elevation was determined representat...
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