This study was conducted to produce xylose by acid hydrolysis from lignocellulose by product . The process of acid hydrolysis carried out using dilute H2SO4 to hydrolyze the available sources of lignocellulosics in Province of Wassit being (corn stover, rice husk, reed and wheat straw) ,wheat straw was selected as the best source for hemicellulose (35)% as compared to the above mentioned sources. The hydrolysis process included two separated experiments ,acid hydrolysis of autoclaved and non- autoclaved wheat straw using the following reaction conditions [(0.5, 1 and 1.5%) sulfuric acid solution, (1, 2 and 3hrs) hydrolysis time and (1:10, 1:15 and 1:20) solid to liquid rat
... Show MoreGround wheat straw autoclaved and non-autoclaved (l0g) was treated with 6, 8 and 10% sodium hydroxide of 1:10, 1:15 and1:20 mixing ratio for 1, 2 and 3hrs as reaction time. Results revealed a maximum value (18.79 %) of xylose were found in hydrolysate when autoclaved wheat straw was treated with 8% NaOH for 2hrs , whereas the lowest value was (13.52) % when the non autoclaved wheat straw ( 6% sodium hydroxide concentration , 1h reaction time and 1:10 solid: liquid ) used. Also, results indicated that the highest level of furfural (0.34) % was observed when 10 % sodium hydroxide solution over 3 hrs incubat
... Show MoreTo investigate the influence of zeranol administration by implantation and castration on fatty acids composition, 20 weaned kids (3-4 month old) with an average live weight of 17.3±0.23 kg were divided randomly into two equal main groups, the first was left intact as a control and the 2nd group was castrated. Each main group was then blocked randomly into two sub groups, the 1st was left as control and the 2nd implanted with Ralgro (12mg zeranol). Kids were fed a concentrate adlib and slaughtered after 70 days of fattening. After chilling for 24 hours, a homogenous samples of meat from L.dorsi muscle was blended for analysis of fatty acid composition. Results revealed that mono uns
... Show MoreA field experiments were carried out at the Abu- Graib Research Station - Office of Agricultural Research Ministry of Agriculture, to investigate moisture depletion effect for some traits of selected genotypes during 2014-2015, which depended to the long term of breeding program (2008-2014). The 9th selected genotypes and the control variety IPA 99 were evaluated during season 2015-2016 using split plot arrangement within RCBD and three replications. The main plots included four levels of water stress (20%, 40%, 60% and 80%), depletion of available water while, genotypes occupied sub plots.The results revealed significant differences among depletion %, genotypes and their interaction in all studied ch
... Show MoreIn this study, evaluated the effect of turmeric dietary addition on immune response against the Newcastle disease virus (NDV) and Infectious bursal disease (IBDV). and histopathological changes in some internal organs was evaluated in 42 day old broiler chicks. ninety-six Ross broiler chicks were reared from 1 to 42 days old and divided randomly into four groups, Feed and drinking water were offered ad libitum. Group1 (G1) received turmeric (0.2%), while group2 (G2) received turmeric (0.4%), Group3 (G3) received turmeric (0.6 %) and group4 (G4) was the control positive received basal diet . At the end of the trial
... Show MoreThe objective of this experiment was to estimate the antioxidant actitivity of the plant Capparis spinosa leaves were collected during (April- Sept,2017) from Baghdad. Water and alcohol extracts were prepared from them and more methods were used to estimate the antioxidant efficacy, the iron binding method, The hydrolysis of hydroxide peroxide and the effect of free radical inhibiting. The water extract of alkaline leaves for April and May samples was characterized by the correlation of iron ion (97.8 and 98.1%) respectively, as well as the alcoholic extract of the April,June,July (89.47, 95.5 and 96.9%) respectively at same concentration of 10 mg / ml, these samples were superior to EDTA-Na and citric acid w
... Show MoreObservations on the biology of Dolycoris baccarum (Linnaeus)were made under room temperature conditions (26 ± 2°C; 35 ± 10% Relative Humidity) feeding stages were fed on wheat leaves and shelled Sunflower seeds. Light and dark morphs were observed for second, third, fourth and fifth instars; short fine hairs on dorsal head, thorax and abdominal of fourth and fifth instars observed; fifth instars have black and white banded antennae. The mean periods of pre-oviposition, oviposition and post-oviposition were 7.8, 33 and 2.5 days, respectively; the averages of female and male longevity were 43.3 and 36
A study was conducted during fall season of 2015-2016 at Qwshtapa farm village of Grdmala, Erbil to study the effect of different rates of Nitrogen and Potassium fertilizers application on nutrient balance and yield of Broccoli. Treatments included 5 levels of nitrogen (0, 60,120,180 and 240 kg N ha-1), and 5 levels of potassium (0,150,300,450 and 600 kg K ha-1) in factorial experiment in RCBD with three replicates. The Diagnosis and Recommendation Integrated system (DRIS) methodology was applied to study nutrient balance. Results indicated that yields were 23.916 and 11.233 Mg ha-1 for N3
... Show MoreThis study was carried out in vitro to investigate the effect of addition of different levels of dates honey (DH) as soluble carbohydrates (WSC) and urea on fermentation quality and nutritive value of corn cobs silages (CCS). CC was ensiled with 4 levels of DH, 4, 6, 8 or 10% and 3 levels of urea 0, 1.5 or 3%. CCS samples were packed in double layer nylon bags and kept anaerobically for 60 days. Results revealed that color of CCS samples were ranged between yellow and brown. Smell of diluted vinegar was detected in samples made with addition of DH only, whereas, those made with addition of low and high levels of urea were characterized with smell of diluted and concentrated ammonia respectively. Increasing DH level from 4 to 10%
... Show MoreThis study was conducted to investigate the effects of high concentration of Mentha spicata on liver tissues. Fourteen mature male albino mice were used in this study and divided into two groups. Control group received 1 ml normal saline daily for 7days through oro- gastric tube. The remained animals received 1ml of aqueous extract of Mentha spicata daily for 7 days through oro-gastric tube. At the end of experiment, all animals were dissected. Liver Samples were fixed in 10% buffered formalin and embedded in paraffin. Sections were prepared and stained with hematoxylin and eosin. The slides were examined macroscopically. The results showed that coagulative degeneration, degeneration of hepatocy
... Show MoreThis study was aimed to investigate the incidence of Cryptosporidiosis in 200 fecal samples from slaughtered broiler chicken carcasses in the local markets in some areas of Baghdad city (Al-Hurriya, Al -Kadhimiya and Al-Shuala), during March to May 2017. Three diagnostic techniques used (flotation by Sheather's sugar solution, staining with Modified Zeihl-Neelsen stain, and measuring of isolated Cryptosporidium oocysts by ocular micrometer) to determine the type of Cryptosporidium species, and for conform that the isolated species of parasite from infected cases belong to the C.baileyi. Experimental infection done in, 18 broiler chicken chicks age
... Show MoreThis study investigate the effect of concentration of lead ions (Pb2+) at 0,1, 2, 3, 4, 5, 10,20,30, 40,50 and 100 mg L-1, concentrations of the quantity of the adsorbed Pb on surface of calcium carbonate at a temperature of 298° Kelvin with all other variables remained constant, was carried out and this experiment was conducted in a single batch and using lead nitrate solution . The results showed that quantity of the adsorbed lead increased from 2.6 to 1924 mg kg-1 Calcium carbonate, and when single and two surface Langmuir, Freundlich, Temkin, Dubinin and Polani equations were applied, they were able to describe lead adsorption on the surface of calcium carbonate at the used concentratio
... Show MoreThe current study investigated the effect of water quality (the salinity of the irrigation water) and Tillage system on some soil physical properties. The experiment was carried out using RCBD with three replicates. wheat was irrigated by three water sources, a river ,dranege and well waters with electrical conductivities 1.3, 3.5 and 6.9 ds.m-1 respectively and three tillage systems were zero tillage (ZT), conventional tillage (CT) and deep tillage (DT). After harvest, some soil physical properties were evaluated including: bulk density, porosity, penetration resistance, hydraulic conductivity and mean weight diameter. The result showed that the bulk density values were 1.40, 1.44 and 1.47
... Show MoreMethylation Sensitive Amplification Polymorphism (MSAP) was used to characterize the alterations in DNA methylation in maize (Zea mays L.) inbred lines and their half-daillels affected by plant densities (213333 plant h-1 and 13333 plant h-1). The two restriction was enzymes ( HpaII and MspI) succeeded in diagnosing a total of 23 specific loci, most of (22 loci) were Methylation Sensitive Loci (MSL), while the only one NML (No Methylated Loci) was monomorphic. Thirteen out of 22 MSL loci polymorphic, recording a were polymorphism percentage of 59%. Results of FeSOD gene expression cleared the different response of maize inbreds and hybrids to high plant density stress. Generally, the expression of the targeted gene
... Show MoreThe objective of this study was to investigate the effect of some amino acids on tillering and grain yield of bread wheat cultivars. A field experiment was carried out at the agricultural experiment station, College of Agriculture Engineering Sciences, University of Baghdad during the two winter seasons, 2016-2017 and 2017-2018. Randomized Complete Block Design within split plots arrangement was used in three replicates. The experiment included two factors, the first (main plots) was the wheat cultivars (IPA 99, Buhooth 22, and Abu-Graib3) and the second (sub-plots) was foliar application three amino acids (L-Tryptophan, L-Glycine, and L-Lysine) with concentrations 50 and 100 mg L-1 and the amino
... Show MoreThis study was conducted to assess soil salinity forecasting using spectral soil reflectivity. Artificial salinization was carried out on silty clay loam soil. Collected soil sample was handy crushed, sieved through a 4 mm sieve and backed in plastic columns. The columns were closed from the bottom with a perforated plastic lids with the presence of sand-gravel filter. Columns placed vertically at plastic basins contain saline ground water and left for salinization by capillary rise. At the desired salinity level, soil reflectivity was measured using spectroradiometer and wave length between 350-2500 nm, and band width 1 nm. Soil salinity and moisture were determ
... Show MoreThis research was conducted to estimate some genetic parameters by using full diallel crosses in maize (Zea mays L.) at Grdarasha Agricultural Research Station, College of Agriculture, University of Salahaddin, Erbil. During the spring season of 2015, four diverse maize inbred line seeds were sown and exhibited full diallel cross between them. In fall season 2015, the F1 hybrids with their parental lines were sown in randomized complete block design with three replications. The results revealed there were highly significant differences among genotypes for almost all of the evaluated traits which were days to 50% tasseling, plant height, ear height, ear length, no. of rows ear-1, 150-kernels weight and to
... Show MoreThis study was conducted to evaluate the effect of gene action on grain yield and yield components of maize(Zea mays L.) using generation mean analysis method for six generations (P₁, P₂, F₁,F₂, Bc₁ and Bc₂ )of two crosses of maize (H40×un44052)and (Ik8×Hs). The analysis of variance shows significant differences between generation means. Generation mean analysis revealed that the non-additive effect for plant height, No.of kernels row-1, 300- kernel weight and grain yield
... Show MoreThe objective of this experiment is to investigate the effect of gibberellin and nutrients on growth and yield of potatoes. Factorial experiment (4 × 5) within randomized complete block design with three replications was carried out during two spring seasons (2016 and 2017) on potato plant var. Burren. The experiment for the first season was conducted in the fields of the Ministry of Agriculture while the season was at the fields of Agriculture College University of Baghdad. The experiment included foliar application of gibberellin using different concentrations 0, 50, 100, 200 mg.L-1 and symbolized as GA3(0), GA3(1), GA3(2) and GA3(3), respectively. The second factor
... Show MoreThis study was conducted to assess soil salinity forecasting using spectral soil reflectivity. Artificial salinization was carried out on silty clay loam soil. Collected soil sample was handy crushed, sieved through a 4 mm sieve and backed in plastic columns. The columns were closed from the bottom with a perforated plastic lids with the presence of sand-gravel filter. Columns placed vertically at plastic basins contain saline ground water and left for salinization by capillary rise. At the desired salinity level, soil reflectivity was measured using spectroradiometer and wave length between 350-2500 nm, and band width 1 nm. Soil salinity and moisture were determ
... Show MoreThe objective of this study was to evaluate the antibacterial effect of Phyllanthus emblica extract by (ethanol: methanol 1:1) against Pseudomonas aeruginosa, Staphylococcus aureus and Escherichia coli at different concentration started with 20, 10, 5, 2.5, 1.25 and 0.625 mg/ml. The antibacterial activity was determined by the agar well diffusion method to investigate the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). The alcoholic extract of Phyllanthus emblica had the highest antibacterial activity at 20 mg/mL and 5 mg/mL except in Pseudomonas aeruginosa where the value of inhibition was between 20 mg/mL and 10 mg/mL whereas The MIC concentration
... Show MoreIraq has been endemic for Newcastle disease virus (NDV) with natural infection causing significant losses in the poultry industry since 1968. This study was designed to identify a natural infection of NDV occurred in three governorate in the northern part of Iraq (Erbil, Sulymaniyah and Duhok) among chicken flocks and estimate its virulence by the mean death times(MDT) and intra-cerebral pathogenicity index (ICPI). Ninety six flocks with high mortality were examined for post mortem lesions and the samples collected from suspected ND chicken flocks, either sick or dead showed characteristic clinical findings and show positive rapid test for NDV antigen. The collected sample
... Show MoreThe aim of this study was to investigate the effect of deprivation on productive traits of newly post hatched chicks. A total number of Ross 308 birds (120) were divided into four groups as in the following way: group1 (G1=38 bird), was regarded as positive control and had been supplied directly with the feed, whereas group2 (G2=27 bird), group3 (G3=28 bird) and group4 (G4=27 bird) were supplied with the diet at post hatch period of 24h, 48hr and 72h respectively. Water supplied was ad libitum to all groups immediately after placing. Result revealed that G1 showed significant performance (P<0.05) according to the level of yolk sac absorption (Y.S.A), Feed Conversion Ratio (F.C.R). The final body weight gain (B.W.G) sh
... Show MoreThis research was conducted during the growing season 2015 - 2016 to investigate the response of 2 year's old transplants of “Othmani” pear cultivar budded on Calleryana root stock to foliar application with licorice root extract at four levels 0 (Li0), 2.5 g.L-1 (Li2.5), 5 g.L-1 (Li5) and 10 g.L-1 (Li10) and garlic extract at four levels, 0 (GA0), 5ml.L-1 (GA5), 10ml.L-1 (GA10) and 20ml.L-1 (GA20) and their interaction in leaves mineral and hormonal c
... Show MoreThis research aims to estimate production functions through which production relations, possibilities for production elements substitution, measurement of its substitution elasticity, and efficiency and distribution coefficients can be analyzed. This would be done through estimation of constant elasticity of substitution production function for agricultural companies in Iraq depending on data from Iraqi Stock Exchange reports of 2005-2016. The researcher had used panel data model and estimated its three models: the Pooled Regression Model (PRM), the Fixed Effect Model (FEM) and the Random Effect Model (REM). A comparison was made for theses three models using F, LM, Husman tests. Tests show that Fixed Effect Model (FEM) is the be
... Show MoreThe objective of this study was to investigate effect of wheat germ extraction on the fermented milk products, which prepared using single and two types of mixed cultures of Lactobacillus acidophilus, Lactobacillus plantarum, ready premixed and 1: 1 mixture with inoculation of 5% in reconstituted skimmed milk 12% TS Which reinforced with different concentrations of wheat germ extracts 0, 5, 10 and 15% for treatments (T1, T2, T3 and T4) respectively. The results showed that the height of the viscosity of all the products increased by the percentage of added wheat germ extract. The best treatment (10%) of T3, which was 52, 65, 57 and 64
... Show MoreThe aim of this study is to determine the toxicity of Thymus Vulgaris aquatic plant extracts comparing with copper sulfates against Bulinus truncatus the vector of urinary Bilharziasis. Samples of the snails were collected from a site in Al-Rasheed district (30 km) southern of Baghdad. The isolation, identification, and acclimatization made in the laboratory. Many toxic parameters as NOEL (Non-Observed Effect Level), Threshold, EC (Effective Concentration) and LC (Lethal Concentration) levels were determined in this study. The EC50 of T. vulgaris and Copper sulfates to B. truncatus were (8.4, and 0.9g/L) respecti
... Show MoreBackground: Pseudomonas putida can efficiently degrade phenol. The aim of this study was to determine the level of expression of the decomposition of the biological bacteria pseudo-foul pseudomonas putida affected by pesticides. Methods: the study included the collection of 125 different soil samples from the soil surrounding the roots of different plants. Culturing and biochemical tests, also diagnostic devices using the Vitek system for diagnosis of Pseudomonas putida. genetic variation of genes responsible for biodegradation, polymerase chain reaction (PCR) was used to detect DmpN gene for molecular diagnosis and RT-PCR for gene expression. the results of the PCR sho
... Show MoreThis experiment was conducted in the orchard of the Department of Horticulture,college of Agriculture,Baghdad University during the growing season of 2007 To study the effects of spray with three concentration of cultar(0,500,1000 mg.L-1) ,tow concentration of K2SO4(0,5g.L-1), and salinity of irrigation water with three concentration (1,2,3dS.m-1) on some characteristics of vegetative growth of two cultivars of apricot trees (Labib1 and Zienni).The age of trees was four years .The tree grafted on original of seed apricot . Afactorial trail was carry out according to randomized complete block design with arrangement of split-split with three replications. Salinity of irrigation water took main plot, potassium took sub plot and cultar took s
... Show MoreDust and bird residue are problems impeding the operation of solar street lighting systems, especially in semi-desert areas, such as Iraq. The system in this paper was designed and developed locally using simple and inexpensive materials. The system runs automatically. It Connects to solar panels used in solar street lighting, and gets the required electricity from the same solar system. Solar panels are washed with dripping water in less than half a minute by this system. The cleaning period can also be controlled. It can also control, sensing the amount of dust the system operates. The impact of different types of falling dust on panels has also been studied. This was collected from different winds and studied their impact o
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