نتایج جستجو برای: salinity indicators

تعداد نتایج: 132920  

Journal: :E3S web of conferences 2023

The work is devoted to the study of characteristics irrigated soils Zhondarsky district Bukhara region, intended for sowing cotton. acreage allocated cultivation agricultural crops should have appropriate indicators that ensure not only high yields, but also high-quality products. Since many territory Uzbekistan, including oasis, are highly saline, research was carried out on territory. Along w...

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: :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...

Journal: :Phyton-international Journal of Experimental Botany 2022

Salinity is one of the most severe abiotic stresses for crop production. The present study investigates salinity-induced modulation in growth indicators, morphology and movement stomata, photosynthetic pigments, activity carbonic anhydrase as well nitrate reductase, antioxidant systems two varieties chickpea (Pusa-BG5023, Pusa-BGD72). On 20th day sowing, plants were treated with varying levels ...

2012
SHUMMU SLATHIA ANIL SHARMA

In this study, we have evaluated the co-application of epibrassinolide (24-EBL) and putrescine (Put) on stress indicators and antioxidant system of Solanum lycopersicum L. grown under salinity stress. EBL and Put application along with NaCl stress showed differential responses in the activities of antioxidant enzymes (superoxide dismutase, catalase and guaiacol peroxidase). Significant increase...

2013
Dhara

The spatial and temporal distribution of suspended solids, turbidity, temperature, salinity, chlorophyll a and total phosphorus were estimated and mapped with various degrees of success in Matla Estuary using satellite (Landsat Thematic Mapper) imagery. All the indicators exhibit a similar spatial pattern within the estuary. High values are found at both the saltwater and freshwater ends of the...

Journal: :Ambio 2003
Hans W Paerl Timothy F Steppe Kenneth C Buchan Malcolm Potts

The Atlantic hurricanes of 1999 caused widespread environmental damage throughout the Caribbean and US mid-Atlantic coastal regions. However, these storms also proved beneficial to certain microbial habitats; specifically, cyanobacteria-dominated mats. Modern mats represent the oldest known biological communities on earth, stromatolites. Contemporary mats are dominant biological communities in ...

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