scholarly journals GROWTH RESPONSE OF Eucalyptus Camaldulensis DHENH. AND Melia Azedarach L. SEEDLINGS TO PRIMARY TREATED WASTEWATER OF AVROCITY IN DUHOK GOVERNORATE

2019 ◽  
Vol 22 (1) ◽  
pp. 277-291
Author(s):  
BAYAN HAZIM AHMED ◽  
Keyword(s):  
Growth Response ◽  
Eucalyptus Camaldulensis ◽  
Treated Wastewater ◽  
Melia Azedarach

scholarly journals Effect of Short and Long Term Irrigation with Treated Wastewater on Chemical Composition and Herbicidal Activity of Eucalyptus camaldulensis Dehn. Essential Oils

2019 ◽  
Vol 47 (4) ◽  
pp. 1374-1381
Author(s):  
Aya MAALOUL ◽  
Mercedes VERDEGUER SANCHO ◽  
Martina ODDO ◽  
Ezzeddine SAADAOUI ◽  
Monia JEBRI ◽  
...  
Keyword(s):  
Gas Chromatography ◽  
Chemical Composition ◽  
Eucalyptus Camaldulensis ◽  
Herbicidal Activity ◽  
Treated Wastewater ◽  
Gas Chromatography Mass Spectrometry ◽  
Digital Object Identifier ◽  
Phytotoxic Activity ◽  
Old Trees

Water shortage throughout the world, especially in arid regions in the later decades has led to search for alternatives to save potable fresh water. Treated wastewater (TWW) appears to be an opportunity for irrigation. However, it could represent a stress factor for plants, and influence their metabolism, changing their secondary metabolites and, consequently, their biological properties. Eucalyptus camaldulensis essential oil (EO) had been reported to possess phytotoxic activity. The main objective of this work was to compare the chemical composition and herbicidal activity of E. camaldulensis EO obtained from leaves of young plants and old trees irrigated with well water (WW) and TWW. Germination tests were performed in vitro against Amaranthus hybridus, Chenopodium album, Echinochloa crus-galli and Lolium perenne. The EOs composition was analyzed by gas chromatography and gas chromatography/mass spectrometry. A high percentage of oxygenated monoterpenes, with 1,8-cineole as main compound, was found in the EOs from leaves of young plants irrigated with both types of water. The EO from leaves of old trees irrigated with WW contained a main fraction of monoterpene hydrocarbons (45.17%) with p-cymene as principal compound. The highest herbicidal potential was shown by the EO from young plants irrigated with TWW. It completely inhibited A. hybridus and L. perenne germination, and nearly blocked the others at all concentrations assayed. It also showed strong phytotoxic activity on seedling length. The results suggest the possible use of TWW to irrigate Eucalyptus crops as it enhances the EOs herbicidal potential that could be used as natural herbicides.   In press - Online First. Article has been peer reviewed, accepted for publication and published online without pagination. It will receive pagination when the issue will be ready for publishing as a complete number (Volume 47, Issue 4, 2019). The article is searchable and citable by Digital Object Identifier (DOI). DOI link will become active after the article will be included in the complete issue.

scholarly journals Impact of planting density on wheat crop grown under different tree species in tarai agroforestry system of central himalaya, India

2018 ◽  
Vol 10 (1) ◽  
pp. 30-36
Author(s):  
Kavita Satyawali ◽  
Sumit Chaturvedi ◽  
Neema Bisht ◽  
V.C. Dhyani
Keyword(s):  
Tree Species ◽  
Eucalyptus Camaldulensis ◽  
Triticum Aestivum L ◽  
Agroforestry System ◽  
Growth And Yield ◽  
Planting Density ◽  
Melia Azedarach ◽  
Wheat Crop ◽  
Wheat Growth ◽  
Yield Attributes

A field trial based Agroforestry system was established at Pantnagar during Rabi season 2012-13 for predicting the effect of spacing on growth and yield of wheat (Triticum aestivum L.) under Eucalyptus camaldulensis and Melia azedarach. The experiment was carried out in split-plot design consisting of two tree species in main plot, viz, Eucalyptus camaldulensis and Melia azedarch and four spacing treatments in sub-plot viz, 3.0m×1.0m, 3.0m×1.5m, 3.0m×2.0m and 3.0m×2.5m with three replications. The wheat crop variety“UP-2338” was sown on December 06, 2012 and harvested on April 27, 2013. Among the tree species, the maximum (15.1 q /ha) and significantly higher grain yield with 21.8% increment was recorded under Melia as compare to Eucalyptus. Whereas, among the different spacings, the wheat growth in terms of dry biomass at 120 DAS (495.4/m2 ), yield attributes and yield in terms of grain (16.0 q/ha), straw (29.4 q/ha) and biological yield (45.4 q/ha) under Melia was significantly higher at 3 × 2.5 m spacing as compared to other planting density. The correlation coefficient (r) studies exhibited that wheat growth and yield attributing characteristics shows significantly (p<0.05) high degree (r=0.75 to 1) positive correlation with each other. The investigation was done to find out the proper planting density for intercropping of wheat with tree species without comprising the wheat growth and enhancing its sustainability.

scholarly journals Impact of Three Natural Oily Extracts as Pulp Additives on the Mechanical, Optical, and Antifungal Properties of Paper Sheets Made from Eucalyptus camaldulensis and Meryta sinclairii Wood Branches

Materials ◽  
2020 ◽  
Vol 13 (6) ◽  
pp. 1292 ◽  
Author(s):  
Mohamed Z. M. Salem ◽  
Wael A. A. Abo Elgat ◽  
Ayman S. Taha ◽  
Yahia G. D. Fares ◽  
Hayssam M. Ali
Keyword(s):  
Paper Industry ◽  
Eucalyptus Camaldulensis ◽  
Antimicrobial Activities ◽  
Control Treatment ◽  
Melia Azedarach ◽  
Magnolia Grandiflora ◽  
Pulp Paper ◽  
Tear Index ◽  
Significant Difference ◽  
Eucalyptus Camaldulensis Dehnh

In the pulp and paper industry, several studies have been done to improve and enhance the properties of the mechanical, optical, and antimicrobial activities of pulp produced with different additives. In the present study, pulp of wood branches (WBs) from Eucalyptus camaldulensis Dehnh. and Meryta sinclairii (Hook.f.) Seem. was treated with n-hexane oily extracts (HeOE) from Melia azedarach L. fruits, Magnolia grandiflora L. leaves, and Sinapis alba L. seeds as additives at concentrations of 1%, 3%, and 5% based on oven-dry pulp weight. Measured mechanical properties were higher in paper sheets made from E. camaldulensis than M. sinclairii WB pulp. The highest tensile index values were observed with E. camaldulensis WB pulp treated with 5% HeOEs of S. alba (33.90 N·m/g) and M. grandiflora (33.76 N·m/g) compared to control (32.10 N·m/g); the highest tear index with 5% HeOE of S. alba (4.11 mN·m2/g) compared to control (3.32 mN·m2/g); and the highest burst index with 5% HeOE of S. alba (4.11 kPa·m2/g) compared to control (3.08 kPa·m2/g). The highest double-fold number value (9) was observed with E. camaldulensis WB pulp treated with 5% HeOEs of S. alba, M. azedarach, and M. grandiflora but with no significant difference compared to control treatment (8.33) or other HeOE treatments with E. camaldulensis WB pulp. Scanning electron microscope (SEM) examination showed clear inhibition of the growth of Aspergillus terreus with WB pulp paper discs of E. camaldulensis and M. sinclairii treated with HeOEs of M. azedarach, S. alba, and M. grandiflora at 3% and 5% compared to control treatment, while HeOEs at 5% concentration showed no growth of A. niger and A. terreus. The present findings establish that the HeOEs from M. azedarach, S. alba, and M. grandiflora at 3% and 5% are novel natural products that can be used as alternatives to improve the properties and antifungal activity of WB pulp produced from E. camaldulensis and M. sinclairii.

scholarly journals Control del clavo de la guayaba con extractos de plantas

2020 ◽  
Vol 11 (2) ◽  
pp. 365-376
Author(s):  
Ernesto González-Gaona ◽  
Héctor Silos-Espino ◽  
Catarino Perales- Segovia ◽  
José Saúl Padilla-Ramírez ◽  
Irma Guadalupe López-Muraira ◽  
...  
Keyword(s):  
Olea Europaea ◽  
Eucalyptus Camaldulensis ◽  
Melia Azedarach ◽  
Ruta Graveolens ◽  
Rumex Crispus ◽  
Olea Europaea L ◽  
Bursera Simaruba ◽  
Olea Europaéa

Los extractos elaborados por maceración alcohólica presentaron la mayor inhibición del crecimiento del hongo P. clavispora con respecto de la maceración en agua o de la infusión. En bioensayos con extractos alcohólicos concentrados con rotovapor y filtrados, los extractos de jaral (Cistus sp.), aceitilla (Bidens odorata Cav.), mezquite (Prosopis laevigata Humb. & Bonpl. ex Willd.), paraíso (Melia azedarach L.), olivo (Olea europaea L.), trompillo (Solanum eleagnifolium Cav.), lantana (Lantana sp.), romero (Rosmarinus sp.), ruda (Ruta graveolens L.), venadilla (Bursera simaruba (L.) SARG.), lengua de vaca (Rumex crispus L.) y eucalipto australiano (Corymbia (=Eucalyptus) gummifera (Gaertn.) Hill & Johnson) mostraron reducciones del crecimiento del hongo, superiores al 90%. En campo, los extractos de plantas de eucalipto rojo (Eucalyptus camaldulensis) y eucalipto australiano (Corymbia gummifera) mostraron menores daños que los fungicidas de síntesis química evaluados. Lo anterior, indica que es factible el uso de estos extractos en el control del hongo P. clavispora, disminuyendo el impacto ambiental.

scholarly journals Roosting ecology and morphometric analysis of Pteropus medius (Indian flying fox) in Lower Dir, district, Pakistan

2020 ◽  
Author(s):  
W. Khan ◽  
N.N. Nisa ◽  
A. R. Khan ◽  
B. Rahbar ◽  
S.A. Mehmood ◽  
...  
Keyword(s):  
Wing Length ◽  
Eucalyptus Camaldulensis ◽  
Melia Azedarach ◽  
Grevillea Robusta ◽  
Maximum Width ◽  
Morphological Variations ◽  
Roosting Ecology ◽  
Morus Nigra ◽  
Platanus Orientalis ◽  
Flying Fox

Abstract The present study was conducted to explore morphometric variations of Pteropus medius (the Indian flying fox) and the roosting trees in Lower Dir, Pakistan. The bats were captured from Morus alba, Morus nigra, Brousonetia papyrifera, Pinus raxburghii, Hevea brasiliensis, Platanus orientalis, Populous nigra, Melia azedarach, Eucalyptus camaldulensis and Grevillea robusta through sling shot and mess net methods. A total of 12 bats were studied for the differential morphological features based on age and sex. Male bats were recorded higher in weight than females. The variations were found in body mass (821.1±34.65gm), circumference of body with wings (25.43±0.39cm), wingspan (112.58±1.90cm), Body length (20.73±0.68cm), Snout length (3.42±0.04cm), Eye length (1.45±0.033cm), Length of ear (3.56±0.05cm), Width of ear (2.46±0.04cm), Length b/w ear (5.51±0.11cm), Circumference of neck (12.23±0.24cm), Circumference of body without wings (18.68±0.31cm), Arm wing length (23.2±1.03cm), Length of thumb (5.43±0.1cm), Length of nail (1.89±0.05cm), Hand wing length (29.1±0.51cm), Maximum width of wing (21.03±0.68cm), Length b/w tip of wing to 5th digit (29.39±0.30cm), Length b/w 5th digit to foot (22.97±1.09cm), Length b/w feet (18.31±0.74cm) and Length of foot claw (4.23±0.05cm). This study was designed for analysis of external morphological variations for P. medius (the Indian flying fox) that may help in identification of these bats and their roosting sites.

Phytostabilization Ability and Growth Response of Calotropis procera and Lantana camara towards Tannery Amended Soil

2019 ◽  
Vol 35 (2) ◽  
pp. 215-224
Author(s):  
Poonam Rani ◽  
◽  
Adarsh Kumar ◽  
Ramesh Chandra Arya ◽  
◽  
...  
Keyword(s):  
Growth Response ◽  
Lantana Camara ◽  
Calotropis Procera ◽  
Amended Soil

DECOLOURIZATION AND COD REMOVAL OF WASEWATER FROM ETHANOL PRODUCTION PROCESS FROM MOLASSES BY COAGULANTION USING INORGANIC ALUM

2010 ◽  
Vol 13 (3) ◽  
pp. 92-102
Author(s):  
Trung Duc Le
Keyword(s):  
Ethanol Production ◽  
Oxygen Demand ◽  
Cod Removal ◽  
Treated Wastewater ◽  
Treatment Processes ◽  
Physico Chemical ◽  
Biological Methods ◽  
Treatment Step ◽  
Main Material

The industrial production of ethanol by fermentation using molasses as main material that generates large quantity of wastewater. This wastewater contains high levels of colour and chemical oxygen demand (COD), that may causes serious environmental pollution. Most available treatment processes in Vietnam rely on biological methods, which often fail to treat waste water up to discharge standard. As always, it was reported that quality of treated wastewater could not meet Vietnameses discharge standard. So, it is necessary to improve the treatment efficiency of whole technological process and therefore, supplemental physico-chemical treatment step before biodegradation stage should be the appropriate choice. This study was carried out to assess the effect of coagulation process on decolourization and COD removal in molasses-based ethanol production wastewater using inorganic coaglutant under laboratory conditions. The experimental results showed that the reductions of COD and colour with the utilization of Al2(SO4)3 at pH 9.5 were 83% and 70%, respectively. Mixture FeSO4 – Al2(SO4)3 at pH 8.5 reduced 82% of colour and 70% of COD. With the addition of Polyacrylamide (PAM), the reduction efficiencies of colour, COD and turbidity by FeSO4 – Al2(SO4)3 were 87%, 73.1% and 94.1% correspondingly. It was indicated that PAM significantly reduced the turbidity of wastewater, however it virtually did not increase the efficiencies of colour and COD reduction. Furthermore, the coagulation processes using PAM usually produces a mount of sludge which is hard to be deposited.

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