نتایج جستجو برای: optimum growth salinity
تعداد نتایج: 899856 فیلتر نتایج به سال:
A thermophilic, anaerobic, chemo-organotrophic sulfur-reducing bacterium, designated MV1075T, was isolated from a deep-sea hydrothermal chimney sample collected on the Mid-Atlantic Ridge. Cells were rod-shaped with a sheath-like outer structure, motile with polar flagella and stained Gram-negative. They appeared singly, in pairs or in short chains. The temperature range for growth was 25-65 deg...
Despite the large interest in the use of Chenopodium quinoa as a crop on extreme habitats, very little is known about growth response and seed yield under saline conditions. As a prerequisite for its sustainable utilization in salt-affected areas, this study aimed to unravel individual physiological and morphological mechanisms that determine its salt tolerance. Hence, the plants were grown in ...
Present study consists the, effect of temperature (10-30C), salinity (15-35 psu) and biofilm on the settlement of Enteromorpha flexousa zoospores. Settlement of zoospores was significantly (p<0.05) influenced by both temperature and salinity. Highest percentage of settlement occurred at 25C and 30 psu respectively. Subsequently the influence of biofilm was evaluated at the optimum 25C and 30 ps...
Rising sea levels threaten coastal safety by increasing the risk of flooding. Coastal dunes provide a natural form of coastal protection. Understanding drivers that constrain early development of dunes is necessary to assess whether dune development may keep pace with sea-level rise. In this study, we explored to what extent salt stress experienced by dune building plant species constrains thei...
In order to study the effect of zero-valent iron nanoparticles on morphological and physiological traits of canola (Brassica napus L. cv. 'Hayola 401') under salinity stress, a research was conducted under controlled conditions in factorial based on completely randomized design in three replicates. In the first phase, the zero-valent iron nanoparticles were synthesized and in the second phase, ...
The chosen phosphobacterial species are well tolerated to the wide range of salinity (20-40 ppt) and found to be pure marine forms. Effect of different concentrations of cadmium on the growth, phosphate solubilising activity and content of extracellular macromolecules in eight species of phosphate solubilising bacteria were carried-out in the present study at optimum level of salinity and found...
A thermophilic, anaerobic, chemo-organotrophic bacterium, designated MV1087T, was isolated from a deep-sea hydrothermal chimney sample collected from the Mid-Atlantic Ridge. The cells were straight, motile and stained gram-negative. Growth was observed from 45 to 65 degrees C, with an optimum around 65 degrees C. No growth was observed at 40 or 70 degrees C. Growth was observed from pH 5.5 to 9...
Vibrio (Beneckea) vulnificus is a recently recognized halophilic organism that may cause serious human infections. Patients infected with V. vulnificus often have a history of exposure to the sea, suggesting that the organism may be a common inhabitant of marine environments. Twenty-one inshore sites around Galveston Island in the Gulf of Mexico were cultured for V. vulnificus over a 12-month p...
Objective: Germination is one of the most important stages of plants growth that affected by environmental stresses, especially drought and salinity. Methods: In order to study of Artichoke germination under different levels of salinity and drought, two separate experiments were performed. The four levels of salinity by NaCl (0, 50, 100, 150 mM) with three replications and five levels of drough...
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