نتایج جستجو برای: under salinity stress concentrations of inorganic solutes na

تعداد نتایج: 21490048  

2002
Grant R. Cramer

Increases in abscisic acid (ABA) concentrations in plant tissues correlate with growth inhibition in salt-stressed plants. Therefore, it was hypothesized that Arabidopsis ABA mutants different in, or insensitive to, ABA would respond differently than wild type (wt) to salinity stress. Seeds (wt, abi1-1, abi2-1, abi3-1, and aba1-3) were germinated and grown hydroponically in three separate exper...

The effects of salicylic acid (SA) on growth and metabolism of Brassica oleracea var. Capitata under salt stress was studied in a hydroponic culture. NaCl at 50 mM concentration and SA at 0.5, 1.0, and 1.5mM concentrations were used as treatments.  The results showed that salt exhibited inhibitory effects on shoot and root length, fresh and dry weight, and RWC of the seedlings. NaCl at 50 mM co...

In order to study the effects of salinity stress on morphological traits, essential oil content and ion accumulation in basil (Ocimum basilicum) plant under hydroponic conditions, a factorial experiment based on completely randomized blocks design with three replications was conducted on three landraces (Jahrom, Banafsh and Isfahan) and five NaCl salinity levels (0, 40, 80, 120 and 160 mM) in c...

2013
Pedro Almeida Diana Katschnig Albertus H. de Boer

The increase in soil salinity poses a serious threat to agricultural yields. Under salinity stress, several Na⁺ transporters play an essential role in Na⁺ tolerance in plants. Amongst all Na+ transporters, HKT has been shown to have a crucial role in both mono and dicotyledonous plants in the tolerance to salinity stress. Here we present an overview of the physiological role of HKT transporters...

2014
Xiaojuan Li Chengjin Guo Juntao Gu Weiwei Duan Miao Zhao Chunying Ma Xiaoming Du Wenjing Lu Kai Xiao

Establishing crop cultivars with strong tolerance to P and N deprivation, high salinity, and drought is an effective way to improve crop yield and promote sustainable agriculture worldwide. A vacuolar H+-pyrophosphatase (V-H+-PPase) gene in wheat (TaVP) was functionally characterized in this study. TaVP cDNA is 2586-bp long and encodes a 775-amino-acid polypeptide that contains 10 conserved mem...

2016
Chia-Hao Lin Po-Ling Yeh Tsung-Han Lee

Most marine mollusks are osmoconformers, in that, their body fluid osmolality changes in the direction of the change in environmental salinity. Marine mollusks exhibit a number of osmoregulatory mechanisms to cope with either hypo- or hyperosmotic stress. The effects of changes in salinity on the osmoregulatory mechanisms of the hard clam (Meretrix lusoria, an economically important species of ...

2005
Viswanathan Chinnusamy Jian-Kang Zhu

even when ECe is 3.0 dS m 1 (Table 1), which in terms of osmotic potential is less than –0.117 MPa (osmotic One-fifth of irrigated agriculture is adversely affected by soil salinpotential 0.39 ECe). At these salinity levels, the ity. Hence, developing salt-tolerant crops is essential for sustaining predominant cause of crop susceptibility appears to be food production. Progress in breeding for ...

آریاکیا, الیاس, استاجی, احمد, باقری, واحد, رقامی, محمود,

Salinity is a serious problem for expansion of agriculture, especially in arid and semi-arid regions. On the other hand, various benefits of soilless culture have caused the expansion of this system in these areas. In order to investigate the effect of different levels of salicylic acid and salinity stress on vegetative and physiological characteristics of eggplant, a factorial experiment was c...

Journal: :pollution 2015
k. swarnalatha bindhu radhakrishnan

phytoremediation is an eco-friendly method for removal of pollutants, which can be relied upon as a sustainable technology, if implemented under optimum conditions of plant growth. the effectiveness of water hyacinth, a topical weed, for the removal of zinc (zn) and chromium (cr) ions from aqueous solutions has been presented in this article. the potential of this plant in removing metals by ph...

Journal: Desert 2012
H. Abbasdokht M.R. Edalatpisheh

In order to study of the effect of priming and salinity on physiological and chemical characteristics of wheat(Triticum aestivum L.), an experiment was carried out at the Experimental Farm of Shiraz University. Results showedthat primed plants significantly reduced its gas exchanges by accelerating senescence under a series of salt stress,which became more serious along with the increasing of s...

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