نتایج جستجو برای: salinity hazard

تعداد نتایج: 89117  

2015
Priyanka Das Kamlesh K. Nutan Sneh L. Singla-Pareek Ashwani Pareek

Soil salinity is one of the main constraints affecting production of rice worldwide, by reducing growth, pollen viability as well as yield of the plant. Therefore, detailed understanding of the response of rice towards soil salinity at the physiological and molecular level is a prerequisite for its effective management. Various approaches have been adopted by molecular biologists or breeders to...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2005
Brian S Shepherd Katherine Drennon Jaime Johnson Joel W Nichols Richard C Playle Thomas D Singer Mathilakath M Vijayan

In this study, we set out to examine the role of the somatotropic axis in the ion-regulation process in rainbow trout. Specifically, our objective was to examine whether plasma insulin-like growth factor-binding proteins (IGFBPs) are modulated by gradual salinity exposure. To this end, freshwater (FW)-adapted rainbow trout were subjected to gradual salinity increases, up to 66% seawater, over a...

Journal: :Bioresource technology 2015
Wenhai Luo Faisal I Hai Jinguo Kang William E Price Wenshan Guo Hao H Ngo Kazuo Yamamoto Long D Nghiem

This study investigated the impact of salinity build-up on the performance of membrane bioreactor (MBR), specifically in terms of the removal and fate of trace organic chemicals (TrOCs), nutrient removal, and biomass characteristics. Stepwise increase of the influent salinity, simulating salinity build-up in high retention MBRs, adversely affected the metabolic activity in the bioreactor, there...

Journal: :Ecology letters 2012
Leigh C Latta Lawrence J Weider John K Colbourne Michael E Pfrender

One route to genetic adaptation in a novel environment is the evolution of ecological generalisation. Yet, identifying the cost that a generalist pays for the increased breadth of tolerance has proven elusive. We integrate phenotypic assays with functional genomics to understand how tolerance to a salinity gradient evolves, and we test the relationship between the fitness cost of this generalis...

2018
Swati Almeida-Dalmet Carol D Litchfield Patrick Gillevet Bonnie K Baxter

The authors wish to make the following changes to their paper [1].[...].

2017
Mohamed A. El-Esawi Hosam O. Elansary Nader A. El-Shanhorey Amal M. E. Abdel-Hamid Hayssam M. Ali Mohamed S. Elshikh

Salinity stress as a major agricultural limiting factor may influence the chemical composition and bioactivity of Rosmarinus officinallis L. essential oils and leaf extracts. The application of salicylic acid (SA) hormone may alleviate salinity stress by modifying the chemical composition, gene expression and bioactivity of plant secondary metabolites. In this study, SA was applied to enhance s...

Journal: :Tree physiology 2016
Rodrigo Méndez-Alonzo Jorge López-Portillo Coral Moctezuma Megan K Bartlett Lawren Sack

Salinity tolerance in plant species varies widely due to adaptation and acclimation processes at the cellular and whole-plant scales. In mangroves, extreme substrate salinity induces hydraulic failure and ion excess toxicity and reduces growth and survival, thus suggesting a potentially critical role for physiological acclimation to salinity. We tested the hypothesis that osmotic adjustment, a ...

Journal: :International Journal of Environmental Science and Technology 2022

Groundwater resources along with surface-water meet the needs of urban, industrial, and agricultural sectors, therefore, their quality should be examined. Water indices are useful tools for aquifer management. In this research, groundwater Miandoab Plain in province West Azerbaijan, northwest Iran, purposes was investigated. For purpose, concentrations ions Mg2+, Ca2+, Na+, HCO3−, SO42−, Cl− pH...

Journal: :Saudi journal of biological sciences 2015
Elsayed Fathi Abd Allah Abeer Hashem Abdulaziz Abdullah Alqarawi Ali Hassan Bahkali Mona S Alwhibi

Pot experiments were conducted to evaluate the damaging effects of salinity on Sesbania sesban plants in the presence and absence of arbuscular mycorrhizal fungi (AMF). The selected morphological, physiological and biochemical parameters of S. sesban were measured. Salinity reduced growth and chlorophyll content drastically while as AMF inoculated plants improved growth. A decrease in the numbe...

2008
C. Sadashivaiah C. R. Ramakrishnaiah G. Ranganna

Tumkur Taluk is located in the southeastern corner of Karnataka state between 13 degrees 06'30'' to 13 degrees 31' 00'' North latitude and 76 degrees 59' 00'' to 77 degrees 19' 00'' East Longitude. The Taluk spreads over an area of 1043 sq.km falling within the semiarid region and frequently facing water scarcity as well as quality problems. The major sources of employment are agriculture, hort...

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