Guar gum galactomannan is a common polysaccharide isolated from the legume plants Cyamopsis tetraganoloba. Guar gum derivatives are widely used in many industrial fields. In this work, a method for obtaining a new derivative of guar gum, galactomannan butyl ether, is considered. The introduction of the butyl group into the structure of galactomannan was proved by IR spectroscopy, by the appearance of absorption bands in the regions corresponding to the vibrations of the –C – O – C–, CH₂ and CH₃ groups. According to X-ray diffraction data, it was shown that in the process of obtaining butyl ether of galactomannan, the structure is amorphous. According to the data of scanning electron microscopy, the p

The present study was conducted in Sulaimani region at two different locations, Kanipanka and Qlyasan during winter season of 2019-2020 to estimate the response of forage yield and some competition indices to the effect of crop pure stands and their mixtures of barley and triticale intercropped with narbon vetch and grass pea with some different patterns. The experiment was designed according to Completely Randomized Block Design with three replications. As the average of both location the maximum green forage yield was produced by pure narbon vetch 32.610 ton ha^-1, while pure barley produce maximum dry forage yield and dry matter % reached 5.506 ton ha^-1 and 8.55% at booting stage respectively, but the crop

This study was conducted during the two growing seasons 2016 and 2017 in the lath house at the College of Agriculture, Duhok University, Kurdistan Region of Iraq. Uniform and healthy transplants of (2) years old sweet cherry (Prunus avium L.) cultivars (evey loly and shampion) were used. The effects of three levels of Ammonium sulfate (NH₄)₂SO₄) (as source of nitrogen) (0, 3 and 6 gm L^-1), three levels of seaweed extracts (alga21st) concentrations (0, 1 and 2 gm.L^-1) and their interactions on leaf nutrients status, the content of protein, carbohydrate were investigated. The results showed that cv. evey loly transplants significantly

Vegetation diversity patterns are necessary to identify species of plants in the Zawita mountains area, Duhok Governorate, Iraq, to investigate the influence of topographical elements (aspects - north and south, elevations and slope gradients) on diagnosis, density, frequency, and species richness and diversity of species in the Zawita forest understory vegetation. Sampling vegetation was surveyed at (1 * 1 m^-2), for 8 quadrats per each zigzag transect. The data were designed with a strip-strip block design, with four replicates for each transect. The results revealed significant differences in frequency, density, and Shannon index due to aspects, elevations, and slope gradient. While other measured traits, species ric

This study was conducted to show the effect of Hemazole fungicide on the growth and vitality of earthworms when treated with different concentrations of the pesticide (1000,200,40) mg.kgˉ¹ and for periods of (7,14,21,and28)  days, a clear decrease was observed in the growth rate of worms treated with the pesticide with the increase in the time period, and the highest decrease in growth was recorded at the concentration of 40 mg.kgˉ¹ amounted to 83.23% during the third period of rearing (21 days), as for the survival of worms, it was noted that young worms were affected by the three concentrations, and the time period for killing worms 100% was observed a

This study had been conducted to quantify the concentrations of PAHs compounds in the roots of Phragmites australis[Cav.] Trin. ex Steudel) and Typha domingensis Pers. and to assess their efficiency in remediation of these pollutants from the sediment of fresh water sediment in Hilla, Daghara and Diwaniyah River. Samples (whole plants) were collected from the selective sites, seasonally during 2011-2012. Results showed the efficiency of Phragmites australis and  Typha domingensis roots in the accumulation of HMW-PAHs, which were recorded (69.9 and 35.67 ng.g^-1  dry weight DW) during winter and spring whereas these values were (21.8 and 38.7 ng.g-1 ) in shoots samples during

The research aimed to know the communicational sources used by agricultural Agent to transfer agricultural information for rice farmers in AL- Abbbassia of Najaf Al- Ashraf province and determine the most important extension means and method used by the agent in his contact with farmers. A questionnaire is designed to collect data included three scales to measure communicational sources (personal methods , collective methods, and mass media methoda ), The research community was farmers associations in AL-Abbassia cultivation section (11) association, The sample was farmers associations (36%) which were ( AL-Sadr, Iraq, Murtatha, and mohamed massa

The objective of this research to determine the knowledge level of the agriculture extension managers in the strategic management, To achieve the aims of this study we used a questionnaire included with a quadrant scale and consists of 75 paragraph for the managers of the middle zone and the executive directors, distributed in 12 sectors ( Concept, the importance, aims, types of strategies, level of strategies, Vision Characteristics, Mission Characteristics , strategic analysis, strategy formulation, strategy application, adjustment of the strategy, role and duties of the strategic manger). A random samples of 50 managers and vice managers have been taken from the middle zone of Iraq (Baghdad, Babylon, Najaf, Karbalaa, Wasit, Dy

A field trial was conducted  in Silt loam soil at  Al-bu-Farraj, northen Ramadi, 110 km west of Baghdad) , to study the effect of fertilization with macro and micronutrients on growth and yield of garlic ( Allium sativum L.). Randomized complete block design with three replicate was used. Four fertilizer formulations from  nitrogen, phosphorus and potassium i.e. A0 (0,0,0) , A1 (80, 80, 80) , A2 (120, 120, 120 and A3 (160, 160, 160) kg.ha^-1 were applied. Four concentrations of nutrient solution( B0,B1,B2,B3) (0 , 0.5 , 1 , 1.5) g.L^-1 were foliar applied.Results showed no significant difference among treatments regarding plant height. Leaf area , mean head weight and yield were signifi

 The high marketing margins for fruit crops and lower marketing efficiency in  the province of  Baghdad was the target of  the study and appreciation it and estimate the relative importance for its as well as marketing costs and measuring  Marketing Efficiency for fruit crops studied in the province of  Baghdad during the study period 2014/2015.The search has dealt with the evolution of  economic indicators for the marketing  efficiency of the fruit crops studied  in  the province of Baghdad during the period of the study it was found that the relative importance of absolute margin catalog between the producer price and  consumer price  represents a high proportion of wh

An experiment was carried out at the vegetable fields of Horticulture and Landscaping Design Dept. , College of Agriculture / university of Baghdad / Abu Ghraib at season (2014) to study the effect of spraying boron and Carbo lizer on growth and yield of cowpea. (Ramshorn C.v.) Seeds are sown at two dates; Spring and summer date. The experiment also included the use of four concentrations of Boron (B), which were; (0, 50, 100 and 200) mg. L^-1 and  three concentrations of Carbo lizer; (c) (0, 1,25 and 2,5) cm³.L^-1 sprayed at three times; (30, 45 and 60) days after sowing. The experiment analysis is carried out in accordance to the experimental design RCBD and it is adopted in three replacement

This study was depend to select Pseudomonas aeruginosa A3 as a good producer of rhamnolipid (RL) biosurfactant after screening on agar plate where it was able to biosynthesize 4.3 g/L with emulsification index 52% and reducing the surface tension of water to 33.2 mN/m. Therefore, this study was aimed to increase the production of biosurfactant from selected isolate by exposure to several physical and chemical mutagenic factors like gamma radiation, nitrosoguanidine, ethyl methane sulfonate and lithium chloride. The results were shown that 0.2 g/L of nitrosoguanidine was the best mutant for increasing the production to about 2 folds (9.4 g/L) after 15 mins exposure to this material, as well as the emulsification index and

The experiments were conducted during two fall season and two winters (2010 and 2012), at Grdarash Research Station in Erbil, Kurdistan Region of Iraq. Four winter crops were chosen Wheat, Canola, Pea, Broad bean as well as Fallow plot. These crops were planted in Randomized Complete Block Design with three replications during both winter seasons. Maize was planted during the fall seasons succeeded by winter crops. Some field characters were recorded for each winter and fall maize crops during the four growing seasons. The result revealed that all the characters value of winter crops were decreased. The  reduction were in 2011-2012 season about 58.92% in wheat number of tillers 45.20% and 57.67% in plant height and yield in

An experiment was carried out at the vegetable fields of Horticulture and Landscaping Design Dep. / College of Agriculture / university of Baghdad / Abu Ghraib on season  2014   to study the effect of spraying boron and Carbo lizer on the productivity and quality of cowpea seeds. Ramshorn c.v. Seeds are sowed on two dates; Spring and summer date. The experiment also includes the use of four concentrations of Boron: 0, 50, 100 and 200 mg. L^-1 Which Symbolized B1,B2,B3 and B4 and three concentrations of Carbo lizer; 0, 1.25 and 2.5 cm³.L^-1 Which Symbolized C1,C2 and C3. The experiment analysis is carried out in accordance to the experimental with in R

There is no doubt that Agricultural Policy is the main responsible for the degrading in Agricultural sector in Iraq during the period 2003-2013, and that was very clear from magnitude of indicators because of little sharing of each of agricultural product in GDP  because it was (9.38%) in average during the study period and the annual changing of it was negative (-5.82%), and there is increasing in deficit of trade balance in Agriculture during the study period about (4185.73) million US$, and the percentage of agricultural exports from total exports was (0.14%) in average only. The foreign trade policy in Agricultural products also cannot determine map of Revealed Comparative Advantage (RCA) of Agricultural products and cro

Phosphorus (P) is one of the major plant nutrients that directly or indirectly affect all biological processes. It is a key component of energy metabolism, and biosynthesis of nucleic acids and membranes. Phosphorus deficiency is considered to be one of the major limitations for crop production particularly in low-input agriculture systems around the world and nearly 80% of applied mineral P may be retained in the soil.  Roots provide an interface for P moving from one living system—the soil—into another living system—the plant. Microbial processes in soil are important for the distribution of P between various inorganic and organic P fractions and subsequently for the potential availability of phospha

This paper reports the results of X-ray diffraction mineralogical and Scanning electron microscopic (SEM) studies of the shale units in the Devonian-early Carboniferous Kaista and Ora formations from northern Iraq. The mineral composition is uniform throughout the studied succession, kaolinite, illite, chlorite, and palygorskite form the main clay mineral assemblage while quartz, feldspar, calcite and dolomite form the non-clay fraction of the studied shales. Kaolinite dominates over illite in the Kaista shale, whereas, illite and chlorite with common palygorskite dominate over kaolinite in the Ora shale. The clay mineral assemblage is largely of detrital origin and indicates rather cool and/or dry climatic conditions favouring m

من أجل وصف الاستجابة المناعية في الفئران المصابة تجريبيا ببكتيريا Pseudomonas aeruginosa المسببة لالتهاب الضرع والتي تم معالجتها بمستخلصات المعززات الحيوية bifidocin و  cazacin لبكترياBifidobacterium spp. وLactobacillus casei. تم تقييم مستوى انترفيرون- كاما وعامل التنخّر الورمي-ألفا في الدم باست

A field experiment was carried out during two winter season 2013, 2014 at the field of the Department of Field Crops, College of Agriculture, University of Baghdad, to study the effect of seeds soaking with Gibberellic acid and foliar with Abscisic Acid on the growth, yield, and content of Anise oil seeds using factorial experiment within RCBD design with three replicates. The seeds was treated within GA₃ were soaked with two concentrations of  30, and 60 mg. litter^-1 in addition to without soaking and the code has been B₀ , B₁ , B₂ overlapped these transactions with two concentrations of Abscisic Acid  3, and 6 mg. litter^-1 in addition to without foliar

A wooden house pots experiment was carried out at College of Agriculture/ University of Baghdad using calcareous soil silty clay loam texture collected from one of farm fields in Al-Jadriya region/ Baghdad governorate to study the effect of acidulated phosphate rock levels in availability of phosphorus and copper and growth of maize (Zea mays L.) and phosphorus, copper contents. Corn seeds (Zea mays L.) 5018 (produced office of agricultural research/ ministry of agriculture) were sows in Aug. 2014 with Six seeds in each pot then five plant were removed after one week from the growth. Completely Randomized Block Design (CRD) was used and three levels of partial acidulated phospha

The aim of this study was to evaluate efficiency of some biological agents to reduce charcoal rot of Cantaloupe which is caused by Macrophomina  phaseolina  under wooden canopy and to detect activity of inducer  agents through Peroxidase enzyme, phenols and chlorophyll contents. Results obtained under Wooden canopy, treatment of combination between T.viride and B.subtilis was superior on other treatments. The disease percentage and disease severity were (0.0), (0.0)% respectively compared to control treatment (pathogen) 88.3 and 76.6% respectively. However treatment of integration between T.viride

Fifteen Awassi male lambs were randomly distributed to five groups and fed ad libitum roughages: hydroponics barley and/or green alfalfa with different levels, 0: 100, 25: 75, 50: 50, 75: 25 and 100: 0% as roughage experimental diets T₁, T₂, T₃, T₄, T₅ to study in-vitro and apparent digestibility, rumen fermentations and total rumen bacteria using completely randomized design. Initial weight of replicates were 21.73 kg ± 4.17 kg and 3-4 months old. Concentrate fed at 3% of live body weight based on dry matter basis. Results showed: No differences for in-vitro digestibility, while there were significant increases (p<0.05) for total digestible nut

The article presents the results of introgression of valuable genes from wild and cultivated species of Solanum and varieties of the world collection (CIP) to selection varieties in the production of backcross hybrids, selection of recombinants in backcross generations and in offspring from crossbred crosses among themselves, as well as special parent lines for implementation of programs in various areas of potato breeding. Studies were conducted to determine the effectiveness of different types of crossing during backcrossing in the frequency of occurrence of recombinant forms with high rates of polygenic traits in the hybrid progeny. Hybrids-backcrosses for immunity to virus Y, field resistance to late blight and resis

This experiment was carried out at greenhouse in Centre of Biotechnology Researches/ University of Nahrin using soil clay loam texture, soil was in pots closed to study the effect of different salinity levels on detection TaSOS4 gene and yield traits in some bread wheat genotypes (Triticum aestivum L.).Wheat seeds were planted in Nov. 2016 with ten seeds in each pot. a factorial experiments within Randomized Complete Block Design with three replications was used and Four levels of salinity (4, 8 , 12 and 16 ds.m^-1) with four genotypes (G1:Iraq, G2: 2H ,G3: 3H and G4: Hussein). The result showed non-significant differences among genotypes under first salinity levels (4 ds.m^-1

A factorial experiment within randomized complete block design (RCBD) was coducted during 2016 to investigate the influence of foliar application organic fertilizer "disper alghum" and growth regulator kt-30 on chemical content , endogenous hormone of young appel trees CV. "Anna". The trees were sprayed with organic fertilizer "disper alghum" was three levels (D) : (0 , 3 , 5 g.L^-1) , and growth regulator KT-30 at four levels (K) : (0 , 5 , 10 , 20 mg.L^-1) . Foliar application of organic fertilizer D5 (5 g.L^-1) gave significantly higher values of the total chlorophyll content in l

هدفت الدراسة إلى إستحثاث التغاير الوراثي بالتطفير الكيميائي بمادة اثيل مثيل سلفونيت لتحفيز تحمّل إجهاد الجفاف في سلالتين وهجينهما الفردي من الذرة الصفراء, وإنعكاس ذلك في الأداء المظهري للنباتات. نُفّذت التجربة في حقول محطة أبحاث ابي غريب- دائرة البحوث الزراعية- بغداد في الموسم الربيعي 2019. تضمنت التجربة ثلاث فواصل ري واربعة تراكيز من EMS (0 و

In this study phytic acid (PA) extracted from defatted sesame oil cake using three different solutions              (distilled water , HCl 0.5 M , TCA 3% ) , then it was purified by removing of protein and minerals, and tested for the prevention of  browning in apple slices and color degradation of anthocyanin solution during storage time at room temperature(25°C).  The antioxidant activities of irradiated and non- irradiated phytic acid were tested on DPPH radical. The results revealed that the highest phytic acid percentage was observed with TCA 3% after 6 hr extraction  with (2:100 w/v) solid: liquid ratio, and the lowest values w

This experiment was carried out  at a private palm farm located in Great Musayib enacted / Babylon province on Barhi dates palm trees Phoenix dactylifera L. cultivar to determine the effect of spraying of chitosan and addition of both organic fertilizers and amino acids and seaweed extract in some vegetative traits (number of leaves,  the circumference of the trunk and offshoots number)  and leaves content (chlorophyll , dry weight and Proline) by spraying the chitosan at concentrations of 5 ml. l^-1  and 10 ml.L ^-1 and the addition of both organic fertilizer and amino acids and seaweed extract at concentrations (1, 2) kg.tree ^-1 and (3 , 6) ml . L ^{- 1} and (4

This experiment was conducted at the research farm of the College of Agriculture, University of Duhok, Iraq Kurdistan Region season of 2015-2016. Irrigation treatments include (Rainfed, 50% and 100% of field capacity). with three broad wheat varieties (IPA-95, Abu-Graib and Sham-4) cultivated by application the (AquaCrop) model. Wheat varieties of IPA-95 and Abu-Graib-3 consistently resulted in higher yields than Sham-4 variety, the highest grain yield of 3.872 t. ha^-1 was recorded by IPA-95 variety. Highest grain yield of 3.78 t.ha^-1 was obtained from Total Field Capacity. The biomass varied from 12.162, 12.214 and 13.056, 11.591 and 11.211 to 11.866 t.ha^-1 for measured and simulated values. Also

The corn leaf aphid is a major pest causes damage to a range of cultivated crops. Little is known about the population genetics of the species. In this experiment, we examined the population genetic structure of the Rhopalosiphum maidis based on nucleotide sequencing of the cytochrome oxidase I (COI) gene and microsatellite analysis. Thirteen microsatellite markers developed for related aphid species were tested for use with R. maidis. Nine loci were found to amplify in R. maidis. Of these, seven were polymorphic. Nucleotide sequencing showed low variation, with one haplotype dominating in the regions sampled and four other haplotypes, differing by only a single base, occurring at a low frequency. Micro