Non-enzymatic Antioxidants and Transaminases Constitute Homeostatic Mechanisms for Some Egyptian Vegetables Irrigated with Treated Wastewater
Zeinab
Khidr
Botany and Microbiology Department, Faculty of Science, Al-Azhar University (Cairo, Egypt).
author
Sawsan
Abdel Rahman
Botany and Microbiology Department, Faculty of Science, Al-Azhar University (Cairo, Egypt).
author
Hedaya
Kamel
Radioisotope Department, Nuclear Research Center Atomic Energy Authority (Cairo, Egypt).
author
Hend
Habib
Radioisotope Department, Nuclear Research Center Atomic Energy Authority (Cairo, Egypt).
author
text
article
2017
eng
To evaluate the effect of irrigation with treated wastewater on some Egyptian leafy vegetables, some non-enzymatic antioxidants and transaminases were determined. This study was conducted at wastewater irrigated site (Arab Al-Olyqat), 30 kilometers from Cairo, while 3 kilometers was the distance between control (Nile River canal, fresh water, irrigated site; Shibeen Al-Kanater) and treated wastewater irrigated site. Concentrations of total phenols and L-ascorbic acid were significantly decreased in parsley and spinach. Total phenols of cabbage and L-ascorbic acid of garden rocket were significantly decreased, while those of lettuce were significantly increased compared to their controls due to irrigation with treated wastewater. Irrigation with treated wastewater resulted in significant increases of proline in cabbage and parsley and significant decreases in garden rocket and spinach. Free thiol compounds showed significant decreases in spinach, parsley and cabbage, while significant increases in garden rocket and lettuce were recorded. Vegetables irrigated with treated wastewater showed significant increases in the activity of GOT or (AST) compared to their controls. Activity of GPT increased significantly in lettuce by 111.6 % and decreased in parsley by 40.0% due to irrigation with treated wastewater.
Egyptian Academic Journal of Biological Sciences, H. Botany
Egyptian Society of Biological Sciences
2090-3812
8
v.
1
no.
2017
1
11
https://eajbsh.journals.ekb.eg/article_16813_12f722aa1f14f13e2d5faf909065a862.pdf
dx.doi.org/10.21608/eajbsh.2017.16813
Water Quality Characteristics and Phytoplankton Diversity Around a Domestic Waste Polluted Site in Lagos lagoon
I.
Onyema
Department of Marine Sciences, University of Lagos, Akoka, Lagos, Nigeria
author
text
article
2017
eng
The water quality characteristics and phytoplankton at a domestic waste polluted site at Oworonsoki, Lagos Lagoon in relation to environmental factors were investigated for six months (October, 2012 – March, 2013). Plankton samples were collected horizontally with plankton hauls on each trip using standard plankton net of 55µm mesh size tied unto a motorized boat and towed slowly (≤4m/s) for 10 mins. The water quality characteristics showed monthly variation linked to hydrological flow conditions, namely the rainfall pattern and tidal seawater inflow. Air temperature (28.3 – 32˚C), Water temperature (29 - 31˚C), Transparency (12.95 – 101.5cm), Total suspended solid (8 – 35mg/L), Total dissolved solid (553.0 – 20712.66mg/L), Conductivity (1069.0 – 31100.0µS/cm), Salinity (0.50 – 17.11 %), Acidity (4.9 – 6.3mg/L), Total hardness (102.0 – 3811.0 mg/L), Dissolved oxygen (4.8 – 5.2 mg/L), Chemical oxygen demand (14 – 23 mg/L) recorded higher values in the dry than in the wet season. High nutrients, especially nitrates and heavy metal levels between December and February points to the inflow of domestic wastes. The water quality characteristics reflected freshwaters situation in October and November (0.52 – 0.82 ‰) while December through March were increasingly brackish (9.42 – 17.11 %). The phytoplankton diversity (S) and abundance (N) were notably higher in the dry than the wet season. The phytoplankton spectrum (Bacillariophyta, Cyanophyta and Chlorophyta) were dominated by the Bacillariophyta (Diatoms) (93.47% - Centrales – 69.77 % and Pennales – 30.23%). Notable species of were Aulacoseira granulata var. angustissima, Odontella laevis, Coscinodiscus radiatus, Skeletonema coastasum, Chaetoceros convolutes, Bacillaria paxillifer, Gyrosigma balticum, Nitzschia sigmoidea, Synedra crystallina, Thalasiothrix fraunfeldii, Synedra ulna, Microcystis aeruginosa and Oscillatoria limnosa. The phytoplankton diversity at each time was reflective of the water chemistry situation. Comparatively, low phytoplankton diversity, and the occurrence of indicators of organic waste pollution are noteworthy.
Egyptian Academic Journal of Biological Sciences, H. Botany
Egyptian Society of Biological Sciences
2090-3812
8
v.
1
no.
2017
13
23
https://eajbsh.journals.ekb.eg/article_16814_eafdbddb8b6427c2018af0f2434e149d.pdf
dx.doi.org/10.21608/eajbsh.2017.16814
Flavonoid Contents of Adiantum capillus-veneris L. Growing in Two Different Districts from Iraqi Kurdistan Northern Iraq
AL-Khesraji
O.
Biology Department, College of Education for Pure Sciences, Tikrit University
author
Ismail
M.
Biology Department, College of Education for Women, Baghdad University
author
Maulood
K.
Biology Department, College of Science, Salahadin University
author
text
article
2017
eng
The present study was conducted to determine flavonoid contents in aerial parts of Adiantum capillus- venerisL. (Pteridaceae) collected from two different sites: Gali Ali Bek in Erbil district and Kalar in Sulaimaniyah district, in Iraqi Kurdistan-Northern Iraq by using HPLC technique. Six flavonoid compounds: Kaempferol, Kaempferol-3-O-glycoside, Luteolin, myricetin, quercetin and rutin were identified in A.capillus-veneris growing at both sites. These compounds showed differences in their concentrations at each site and between sites. It was concluded that flavonoid content of this fern was interrelated with site attributes.
Egyptian Academic Journal of Biological Sciences, H. Botany
Egyptian Society of Biological Sciences
2090-3812
8
v.
1
no.
2017
25
31
https://eajbsh.journals.ekb.eg/article_16815_4683b11a228dc08adc9dee626cd7edff.pdf
dx.doi.org/10.21608/eajbsh.2017.16815
Effectiveness of three arbuscular mycorrhizae species on growth of some vegetable crops under calcareous soil conditions
Islam
El Seoud
Department of Soil and Agricultural Chemistry and 2Department of Plant production, Faculty of Agriculture, Saba Basha, Alexandria University, Egypt
author
Mona
Yousry
Department of Plant production, Faculty of Agriculture, Saba Basha, Alexandria University, Egypt
author
Naglaa
Abd El Hamid
Department of Soil and Agricultural Chemistry , Faculty of Agriculture, Saba Basha, Alexandria University, Egypt
author
text
article
2017
eng
This work was aimed to examine the growth of some vegetable crops to select the species of AM fungi that can help to improve the growth of each vegetable crop especially under calcareous soil conditions and low P level. Surface calcareous soil sample (0-15cm) was collected from Abd El Baset village, Burg Al Arab, Alexandria - Egypt. Three levels of phosphorus fertilizer were applied before filling the pots to obtain P0 (without P fertilizer); P1 (50% of recommended P fertilizer (100 kg calcium superphosphate (15.5 % P2O5) / fed.)) and P2 (100% of recommended P fertilizer (200 kg calcium superphosphate (15.5 % P2O5) / fed.)). Three arbuscular mycorrhizal (AM) species were belonging to the genus Glomus used in this experiment. The applied species were Glomus macrocarpium; Glomus intraradiaces and Glomus fasciculatum. Three vegetable crops were examined, Summer Squash (Cucurbita pepo L.); Tomato (Solanum lycopersicum) and Carrot (Daucus carotaL.). In conclusion, from the results of this study and under the same conditions of this experiment, we can recommended that, first, all mycorrhizal species were effective on plant growth and P content more than untreated plants, second the mycorrhizae specie G. intraradiaces developed the growth and P content of squash and tomato plants, while G. macrocarpium enhancing growth and P content of carrot plants under low P level and with calcareous soil conditions
Egyptian Academic Journal of Biological Sciences, H. Botany
Egyptian Society of Biological Sciences
2090-3812
8
v.
1
no.
2017
33
47
https://eajbsh.journals.ekb.eg/article_16816_1e3249841076e70d3faec02e267a6e2e.pdf
dx.doi.org/10.21608/eajbsh.2017.16816
Impact of Irrigation Deficit, Soil Conditioner, and Antitranspirant on Growth and Quality of Potato Crop
Dina
EL-Mesirry
Sabaheya Horticultural Research Institute, Agricultural Research Center, Egypt
author
M.
Shama
Soil Salinity Department: Soil, Water, and Environment Research Institute, ARC. Egypt
author
text
article
2017
eng
An investigation concerning potato crop was carried out during the two successive summer seasons of 2015-2016 and 2016-2017 at a newly reclaimed area, at EL-Nubariya city south of Alexandria governorate, Egypt. The experiments were designed to study the efficiency of the film –forming antitranspirant (folicote) concentration (15%(v/v)) or/and soil conditioner (farmyard manure) of the rate 20m3/fed., on optimization of irrigation water in low-water supplx areas. Three irrigation rates were applied; 2100m3/fed. (Common rate), 1575m3/fed, and 1050m3/fed to investigate the effects of water deficiency on some important economic traits of potato crop. The results showed that irrigation at the rate of (2100m3/fed.) only, or addition of farmyard manure or, spray folicote or, mix of folicote spraying and farmyard manure recorded the maximum values of plant height, shoot number, no of tuber yield /plant, weight of marketable tuber / (gm./ plant), weight of total tuber yield / (ton/fed.), dry matter(%) and starch content showed no significant differences between them and treatment of irrigation quantity (1575m3/fed.) with farmyard manure soil application or mix of folicote spraying and farmyard manure soil application in the two seasons. The interaction between irrigation water quantities and antitiranspirant or/and soil conditioner was insignificant regarding total sugars and reducing sugar with one except reducing sugar in2017 season. While, the interaction between irrigation at (1575m3/fed.) with farmyard manure or mix of folicote spraying and Farmyard manure, soil application, gave the highest value of water use efficiency in the two seasons.
Egyptian Academic Journal of Biological Sciences, H. Botany
Egyptian Society of Biological Sciences
2090-3812
8
v.
1
no.
2017
49
59
https://eajbsh.journals.ekb.eg/article_16817_2ec8f2fd5e79814fcf97be5ec6964057.pdf
dx.doi.org/10.21608/eajbsh.2017.16817