نتایج جستجو برای: reduced when salinity level increased but

تعداد نتایج: 4530500  

زاهدی, مرتضی, عشقی زاده, حمیدرضا, عمادی, سارا, نوری پور سی سخت, جواد,

A greenhouse experiment, as hydroponic, was carried out in order to investigate the response of sunflower genotypes (Hison125, Iroflor and Bliezer) to different levels of salinity (0, 60 and 120 mM of NaCl) and Fe (0, 50 and 100 mM) in nutrient solution. The experiment was arranged as factorial, based on a completely randomized blocks design with four replications. Results showed that plant hei...

In this study, samples were taken of coastal waters of Kiashahr port. Magnetic desalination consisted of exposing the sample to a Magnetic field and putting the water in physical contact with magnetic nanoparticles which were synthesized with the co-precipitation method. X-ray diffractometer, Fourier transform infrared spectroscopy and field-emission scanning electron microscopy were used for t...

The present study reports a factorial greenhouse experiment usinga randomized completeblock design in 2014 which investigated the effects of salt-pretreatedGlomus fasciculatumfungus, salinity, and the interaction effect of these variables on thephysiological properties ofbarley. The first factor was mycorrhizasalinity pretreated with different levels of salt (0, 25, 50and100mM) and the second f...

سیاری, محمد, محمدی, مریم,

Salinity stress is one of the important limiting factors in agricultural crops production. In order to evaluate salicylic acid (SA) application effects on lettuce growth parameters under salinity stress condition, a factorial experiment in a randomized complete block design (RCBD) with three replications was carried out in greenhouses, Faculty of Agriculture, University of Ilam, Iran. Factors e...

Journal: :journal of agricultural science and technology 2014
m. farissi m. faghire a. bargaz a. bouizgaren b. makoudi

in order to assess the effect of salinity constraint on some agro-physiological and biochemical traits in medicago sativa l., four alfalfa populations (tafilalet 1, tafilalet 2, demnate and tata), originated from mountains and oasis of morocco, were tested. the plants were grown under greenhouse conditions in pots filled with sand and peat under three salt treatments (0, 100 and 200 mm nacl). t...

Journal: :Aquatic toxicology 2004
Hans De Wolf Thierry Backeljau Ronny Blust

In this study, we assessed the combined effect of Cd concentration and salinity, on Cd uptake and mortality rate of Littorina littorea, collected along a salinity and pollution gradient in the Western Scheldt estuary (The Netherlands). Animals kept at their field salinity levels were exposed to three Cd concentrations (i.e. 10, 40 and 320 microM), while animals kept in 10 microM of Cd were subj...

Journal: :Plant & cell physiology 2014
Meng Wang Lumin Qin Chao Xie Wei Li Jiarui Yuan Lina Kong Wenlong Yu Guangmin Xia Shuwei Liu

Cytosine methylation is a well recognized epigenetic mark. Here, the methylation status of a salinity-tolerant wheat cultivar (cv. SR3, derived from a somatic hybridization event) and its progenitor parent (cv. JN177) was explored both globally and within a set of 24 genes responsive to salinity stress. A further comparison was made between DNA extracted from plants grown under control conditio...

2012
Boris Rewald Eran Raveh Tanya Gendler Jhonathan E. Ephrath Shimon Rachmilevitch

Knowledge about the root system structure and the uptake efficiency of root orders is critical to understand the adaptive plasticity of plants towards salt stress. Thus, this study describes the phenological and physiological plasticity of Citrus volkameriana rootstocks under severe NaCl stress on the level of root orders. Phenotypic root traits known to influence uptake processes, for example ...

جمالی, فاطمه, امینی , فریبا, عسگری, مهری ,

In this study, effects of salinity and Zinc sulphate application on growth parameters, nutrient uptake and antioxidant enzyme activity of Tomato (Lycopersicum esculentum) in a factorial experiment in completely randomized design with three replications were evaluated. Factors consisted of four salinity levels (0, 45, 90 and 120 mM NaCl) and three Zinc sulphate levels (0, 5, and 10 μM). Results ...

2012
Xiangqiang Kong Zhen Luo Hezhong Dong A. Egrinya Eneji Weijiang Li

A new split-root system was established through grafting to study cotton response to non-uniform salinity. Each root half was treated with either uniform (100/100 mM) or non-uniform NaCl concentrations (0/200 and 50/150 mM). In contrast to uniform control, non-uniform salinity treatment improved plant growth and water use, with more water absorbed from the non- and low salinity side. Non-unifor...

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