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70 articles for “Chlorophyll A”

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InvestigationOpen accessIn the abstractA State of PSI and PSII Photochemistry of Sunflower Yellow-Green Plastome MutantMaksim S. Makarenko, Nikolay V. Kozel, Alexander V. Usatov et al.Chlorophyll deficient mutants are appropriate model objects for a large number of investigations in the field of photosynthesis. In this study, we identified a state of Photosystem I (PSI) and Photosystem II (PSII) photochemistry and light responses of the sunflower yellow-green mutant line - en:chlorina-7, wherein mutations in chloroplast genes have been previously localized. The conducted research revealed low content … …OnLine Journal of Biological Sciences, Vol. 16, Issue 4 · 29 Dec 2016 · 7,458 accessesView PDFCite
EditorialOpen accessIn the abstractAn Opportunity for the Agricultural Sector: The Renewable Energy SourcesRiccardo Testa, Salvatore TudiscaToday, among the most important issue for energy decisions by policymakers, there are security challenges and environmental impacts on climate change and economic aspects. Since the seventies, in fact, global warming and environmental issues have had an increasing importance in international debate, attracting the attention of several scientific studies (Landi and Benelli, 2016). Many of these studies denoted that over … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 3 · 6 Sep 2016 · 8,092 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Cement Dust on the Physiological Activities of Arabidopsis thalianaSaeid Abu-Romman, Jarrah AlzubiAir pollution exerts detrimental effects on plant ecosystems and restricts agricultural productivity. Cement dust is considered to be one of the most harmful air pollutants of industrial origin and is a limiting factor for plant growth and productivity. This study aims to uncover the impacts of cement dust on photosynthetic pigments, protein content, hydrogen peroxide (H2O2) accumulation, lipid per oxidation … …American Journal of Agricultural and Biological Sciences, Vol. 10, Issue 4 · 17 Nov 2015 · 8,113 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Salinity, pH, Light Intensity on Growth and Lipid Production of Microalgae for Bioenergy ApplicationMonika Prakash Rai, Trishnamoni Gautom, Nikunj SharmaThe crisis of energy producing molecules (fuels) is expected to increase in future, which is currently produced from crude mineral oil. Biodiesel is most reliable, non-toxic, biocompatible liquid fuel that can replace the existing unsustainable sources of energy. Among all the known sources, microalgae display high potential for the production of biodiesel owing to their numerous benefits like higher biomass … …OnLine Journal of Biological Sciences, Vol. 15, Issue 4 · 5 Nov 2015 · 16,789 accessesView PDFCite
Research ArticleOpen accessIn the abstractPhysiological and Biochemical Evaluation of Fe-Efficiency in Fe-Deficient Maize GenotypesEntesar M. Essa, Sahar M. Zaghloul, Z.A. Salama et al.Iron (Fe) deficiency is prevalent particularly in calcareous soils of arid and semiarid regions. The present study aimed to investigate the response of eight local maize genotypes to Fe deficiency. In addition, a Fe- efficient (WF9) and a Fe-inefficient (ys1) indicator genotypes were used in this study. All genotypes were grown in growth chamber for 21 days in two levels … …American Journal of Agricultural and Biological Sciences, Vol. 10, Issue 1 · 22 Apr 2015 · 7,280 accessesView PDFCite
Research ArticleOpen accessIn the abstractMonitoring Land Use and Land Cover Effects on Water Quality in Cheung Ek Lake using ASTER ImagesNara Im, Kensuke Kawamura, Endan Suwandana, Yuji SakunoCheung Ek Lake is the biggest natural treatment plant for nearly 80% of wastewater and storm-water from Phnom Penh city. Land Use and Land Cover (LULC) changes of the lake and its catchment area could deteriorate capacity of the lake in purifying wastewater and affect to its water quality. The study aims to assess the relationship between LULC changes and … …American Journal of Environmental Sciences, Vol. 11, Issue 1 · 3 Apr 2015 · 8,013 accessesView PDFCite
Research ArticleOpen accessIn the abstractFar-Red Spectrum of Second Emerson Effect: A Study Using Dual-Wavelength Pulse Amplitude Modulation FluorometryV. S. Lysenko, T. V. Varduny, E. I. Simonovich et al.Non-additive enhancement of the photosynthesis excited by simultaneous illumination with far-red light and light of shorter wavelengths is called as "second Emerson effect". Its action spectra are well-known as a photosynthetic yield's dependence on light wavelength in red (630-690 nm) spectral region at a constant-wavelength far-red illumination near 700-715 nm. However, the opposite dependence of the photosynthetic yield's of shorter … …American Journal of Biochemistry and Biotechnology, Vol. 10, Issue 4 · 19 Nov 2014 · 7,957 accessesView PDFCite
Research ArticleOpen accessIn the abstractCOPPER STRESS ON CELLULAR CONTENTS AND FATTY ACID PROFILES IN CHLORELLA SPECIESG. Sibi, T.S. Anuraag, Geeta BafilaHigher photosynthetic efficiency and biomass production with rapid growth makes microalgae as potential candidates over other energy crops in many applications. Heavy metals influence the production of secondary metabolites and lipd content of microalgae in particular. A study was conducted using six Chlorella species under heavy metal exposure to evaluate the copper stress on biomass, cellular and lipid contents. Preliminary … …OnLine Journal of Biological Sciences, Vol. 14, Issue 3 · 20 Aug 2014 · 7,785 accessesView PDFCite
Research ArticleOpen accessIn the abstractEFFICACY OF BIO-FOLIAR SPRAY ON GROWTH AND BIOCHEMICAL PARAMETERS OF DIFFERENT MULBERRY VARIETIESDhiraj Kumar, R. Venkatesh KumarThe study was undertaken to improve the growth and biochemical contents in an instant available form through foliar combination of spirulina, soybean and vermiwash. 15, 30 and 45 µg mL-1 concentrations of bio-foliar were sprayed on five different mulberry varieties namely S-1, S-146, S-1635, BR-2 and AR-14 to know their performance on growth parameters and biochemical constituents. Results of the … …OnLine Journal of Biological Sciences, Vol. 14, Issue 1 · 12 Feb 2014 · 7,393 accessesView PDFCite
Research ArticleOpen accessIn the abstractEFFECT OF COPPER SULPHATE AND COBALT CHLORIDE ON GROWTH OF THE IN VITRO CULTURE TISSUES FOR DATE PALM (PHOENIX DACTYLIFERA L.) CV. ASHGARAhmed Madi Waheed AL-MayahiThis study was carried out to investigate the effects of copper sulphate and cobalt chloride on propagation of date palm cv. Ashgar in vitro. The rate of callus proliferation was significantly higher in the medium supplemented with 2 µM copper sulphate and 2 µM cobalt chloride together (p<0.05). Addition of copper sulphate and Cobalt chloride to the medium was most … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 1 · 27 Nov 2013 · 8,456 accessesView PDFCite