نتایج جستجو برای: cyndon dactylon
تعداد نتایج: 727 فیلتر نتایج به سال:
هدف از تحقیق حاضر شناسایی و ارزیابی گونههای گیاهی مقاوم به فلزات سنگین در منطقه نفتخیز پازنان گچساران بود. از مرکز آلودگی، سه محدوده 0 تا 500 متر، 500 تا 1000 متر و 1000 متر تا 1500 انتخاب گردید. در هر محدوده، 30 پلات 2× 2 مستقر و ویژگیهای پوشش گیاهی برداشت شد و 15 نمونه خاک، از منطقه جمعآوری شد. برای اندازهگیری فلزات سنگین سرب و نیکل از دستگاه ICP-OES استفاده شد. شاخصهای TF، BCF و BAC ج...
The subtribe Eleusininae Dumort. (Poaceae: Chlorid oideae: Cynodonteae) is a morphologically diverse group, characterized by having racemose inflorescences (with a few exceptions) and contains about 212 species in 31 genera found primarily in low latitudes in Africa, Asia, Australia, and the Americas. Ten of the genera are currently monotypic (Apochiton C.E.Hubb., Austrochloris Lazarides, Dakn...
Researchers have previously attempted to relate the influences of many ant species to the nitrogen (N) and carbon (C) cycles. However, the gaseous phases of these cycles have been neglected. A field study was conducted near Auburn University (328520N, 858300W) in a bermudagrass [Cynedon dactylon (L.) Pers] pasture to determine the influence of the red imported fire ant [Solenopsis invicta (L.) ...
A mixture of common Southern Piedmont (USA) grassland species (Lolium arundinacea, Paspalum dilatatum, Cynodon dactylon and Trifolium repens) was exposed to O(3) [ambient (non-filtered; NF) and twice-ambient (2X) concentrations] and fed to individually caged New Zealand white rabbits (Oryctolagus cuniculus) in a digestibility experiment. Forages and feed refusals were analyzed for concentration...
Antimicrobial activity of 25, 50, 75 and 100% alcohol extract of Piper nigrum (Black Pepper), Psidium guajava (Guava), Amomum cardamom (Cardamom) and Cynogen dactylon (Bermuda grass) has been evaluated against Pseudomonas lundensis, Bacillus cereus, Aspergillus niger and Aspergillus flavus. Psidium guajava extract showed excellent antimicrobial activity against all the test organisms. In 25% co...
Chloroplasts have been isolated from bermudagrass (Cynodon dactylon L.) leaves and assayed for photophosphorylation and electron transport activity. These chloroplasts actively synthesize adenosine triphosphate during cyclic electron flow with phenazine methosulfate and noncyclic electron flow concurrent with the reduction of such Hill oxidants as nicotinamide adenosine dinucleotide phosphate, ...
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