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Now showing items 11-20 of 33
Antimicrobial and Cytotoxic Activity of Streptomyces sp. Isolated from Desert Soils, Qatar
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Streptomyces are Gram positive aerobic bacteria from the phylum Actinobacteria with close to 570 known species. They are popular for providing a variety of compounds having medicinal properties including - antibiotics, ...
Comparative Analysis of Antifungal Activity of Total Phenolics from Different Date Palm Cultivars Against Five Phyto Pathogenic Fungi
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Introduction: Pathogen attacks impose natural selection on plants to evolve complex arrays of defensive strategies. Among the diverse defensive mechanisms evolved by plants to withstand pathogen attack, the ability to ...
Determination of Pesticide Residues of Organochlorine in Some Local and Imported Foods in Qatar
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Fresh fruit and vegetables are an important part of a healthy diet as they are a significant source of vitamins and minerals. However, fresh fruits and vegetables can also be a source of toxic substances such as pesticides. ...
Current biodiversity and biogeography trends of reef-building corals in Qatar
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Coral reefs represent one of the most biologically and socio-economically important natural assets in the Arabian region, particularly in Qatar. Stress through increasing sea temperatures and salinities, growing development, ...
First Impact Assessment of Genotoxic Components in the Qatari Marine Environment
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
The Arabian Gulf is a semi-enclosed sea with very high evaporation and low discharge rates resulting in extreme saline and thermal conditions. Additionally the system is characterized by a weak hydrodynamic flushing resulting ...
Waste audit: Pathway to attain sustainability at Qatar University
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Waste audit has proved to be a valuable first step in development of a viable waste minimization and recycling program. Waste characterization has been successfully used at many educational institutions in the United States ...
Allelopathic effects of the invasive Prosopis juliflora (sw.) Dc. On seed germination of selected Qatari native plant species
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
P. juliflora is highly recognized for its invasive character and its detrimental effects on different plant species due to the presence of allelochemicals across the world. The purpose of this study is to assess the ...
Microbial Mats from the Khor Al-Adaid Sabkha, Qatar: Morphotypes and Association with Authigenic Minerals
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
The sabkhas (i.e., salt flats) of Qatar are among the rare places on Earth where carbonate and sulfate minerals similar to those constituting economically important hydrocarbon reservoirs are still forming today, under the ...
valuation of salt tolerance in selected Qatari halophytes at the two initial growth stages
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Scarcity of water and availability of land for agricultural production are the most environmental issues that facing the (GCC) countries and Qatar one of them. Qatar lies in region which characterized by having high ...
Environmental Factors Affecting the Growth and Enzymatic Activity of Ceratocystis Radicicolathe Causal Agent of Black Scorch Disease on Date Palm
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Background: Ceratocystis radicicola is a soil-borne pathogen (Wingfield et al, 1993) causing sudden death of date palm (Phoenix dactylifera) in USA and South Africa (Bliss, 1941; Lind & Smit, 1999). It also has been reported ...