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      • Open Access Article

        1 - Study of Some of Heavy Metals in Poaceae Triticum, Zea Maize, and Hordeum Vulgare and Non-Carcinogenic Quantitative Risk Assessment: Kashafroud River, Mashhad
        Ghasem Zolfaghari Mehri Delsouz Amaneh Sazgar Zohre Akhgari
        Background and Objective: Wheat (Triticum aestivum L.), corn (Zea Maize), and tomato (Solanum lycopersicum) are among the most important components of food. This paper provides the first quantitative information on accumulation of heavy metals (lead, cadmium, and arseni More
        Background and Objective: Wheat (Triticum aestivum L.), corn (Zea Maize), and tomato (Solanum lycopersicum) are among the most important components of food. This paper provides the first quantitative information on accumulation of heavy metals (lead, cadmium, and arsenic) in ground (soils) overground (leaves) and underground (roots) parts of wheat, corn, and tomatoaround the Kashafroud River in Mashhad, Khorasan Razavi, Iran. Method: The concentrations of lead, cadmium, and arsenic were determined by atomic absorption spectrometry, graphite furnace (GBC GF3000). Results: Statistical analysis showed that there is a significant difference among the cadmium concentrations of soil, roots and leaves/grain in various plants (p<0.01 for wheat and corn and p=0.0004 for tomato). There was not a significant difference among the lead concentrations of soil, roots and grain in wheat (p>0.05), but there was a significant difference for other plants (p<0.01 for corn and tomato). Furthermore, statistical analysis was done for arsenic concentrations of soil, roots and leaves/grain in wheat and tomato (p>0.05 for wheat and p=0.026 for tomato). Discussion and Conclusion: The results of this study were compared with global standards. As well as in this monitoring, health risk assessment by EPA/WHO instructions has been done. The concentrations of lead, cadmium, and arsenic in soil were below the limits proposed by WHO, EPA, and EU. The results of the present study aimed to provide data from Kashafroud River as indicators of natural and anthropogenic impacts on aquatic ecosystem as well as to evaluate the human hazard index associated with wheat consumption. Health risk assessment of consumers from the intake of metal contaminated was evaluated by using Total Hazard Quotient (THQ) calculations. In this study, the THQ through consumption of wheat was less than 1, indicating that there is no significant potential health risk associated with the consumption of wheat from the around the Kashafroud River.   Manuscript profile
      • Open Access Article

        2 - Evaluation of Nitrogen Fertilizer on Yield and Yield Components of Bread and Durum Wheat Genotypes
        Fatemeh Torfi
      • Open Access Article

        3 - Assessment Regression Relation between Wheat Seed Germination Characteristics Affected Sodium Hypochlorite (NaClO)
        Mohammad Khayat
      • Open Access Article

        4 - Responses of Seed Yield, Yield Components and Some Morpho-physiological Traits of Wheat Cultivars (Triticum aestivum) to the Application Methods of Fulzyme Biofertilizer
        A. Eslami R. Sadrabadi Haghighi M. Zafarian
        To study the effect of application methods of Fulzym biofertilizer (containing Bacillus subtilis) on yield, yield components and some morpho-physiological characteristics of four cultivars wheat, an experiment was conducted in field of Astan Quds Razavi in 2010- 2011. T More
        To study the effect of application methods of Fulzym biofertilizer (containing Bacillus subtilis) on yield, yield components and some morpho-physiological characteristics of four cultivars wheat, an experiment was conducted in field of Astan Quds Razavi in 2010- 2011. The experiment performed was in split plot based on randomized complete block design with three replications. Four wheat cultivars (Falat, Pishtaz, Bahar and Toos) were assigned to main plots and four biofertilizer application methods (as seed inoculation, using in irrigation water, seed inoculation and irrigation and control) to sub plots. Results indicated that Falat had the lowest plant height (61.5 cm) than other varieties. Plant height of Toos and Pishtaz were about 14.5 percent higher than Falat. Application methods of Fulzym increased chlorophyll content and plant height. Highest chlorophyll contents were obtained when seeds inoculated by Fulzyme and used through irrigation. At the end of growing season, it was found that chlorophyll content of Falat and Toos flag leaves were higher than Pishtaz and Bahar. It was also revealed that Bahar when Fulzyme was used showed a better response to treatments than other varieties as for as biological and seed yields were concerned. Highest seed yield produced by irrigation and combination of seed inoculation and irrigation (9063 and 8609 kg.ha-1) and lowest seed yield (5858 kg.ha-1) to Falat in the control treatment. Manuscript profile
      • Open Access Article

        5 - Investigation on the effect of NaCl on the activity of peroxidase and peroxidation of lipids in roots of two sensitive and tolerant cultivars of wheat (Triticum aestivum L.)
        فائزه Ghanati, Elham Nayyeri Torshizi
        In this paper, the effect of NaCl on the activity of soluble (SPO) and wall bound peroxidases (IPO, CPO) as well as the level of lipid peroxidation in roots of two cultivars of wheat (Triticum aestivum L.) were studied. Two wheat cultivars, Mahooti and Alamoot were sele More
        In this paper, the effect of NaCl on the activity of soluble (SPO) and wall bound peroxidases (IPO, CPO) as well as the level of lipid peroxidation in roots of two cultivars of wheat (Triticum aestivum L.) were studied. Two wheat cultivars, Mahooti and Alamoot were selected as salt-tolerant and salt-sensitive cultivars, respectively. The plants were treated with 300mM NaCl for 24, 48 and 96 hours. The content of lignin and the ratio of CWP/FW were studied during 96 hours of treatment as well. Salt treatment increased the rate of lipid peroxidation and enhanced the activity of wall bound peroxidases, particularly in roots of Mahooti. These phenomena were also associated with an increase in the content of lignin in the walls. The activity of soluble peroxidase was also stimulated which helps to more scavenging of peroxide radicals produced by NaCl treatment. Meanwhile, the results suggest that in salt-tolerant wheat cultivar, NaCl treatment accelerated aging process. Manuscript profile
      • Open Access Article

        6 - Selection of wheat (Triticum aestivum L.) genotypes under salt stress condition
        Abbasali Nourinia
        Wheat is a moderately tolerant plant to salinity stress, but its genotypes have difference in tolerance range in saline circumstance. In order to evaluate of breed wheat (Triticum aestivum L.) genotypes under saline and normal conditions, an experiment was conducted in More
        Wheat is a moderately tolerant plant to salinity stress, but its genotypes have difference in tolerance range in saline circumstance. In order to evaluate of breed wheat (Triticum aestivum L.) genotypes under saline and normal conditions, an experiment was conducted in 2004 in Golestan agriculture research center. In this research 25 genotypes were evaluated in lab and farm. In lab phase, germination test was arranged in randomized complete block design with three replication in two environments (saline by NaCl with 10dS/m and distilled water with 0 dS/m) and some seed and seedling characteristica as well as root and shoot length, root and shoot dry weight, germination percent were evaluated. In filed experiment seed yield, Cl-, Na+and K+ ions accumulation were measured and some parameters were consist of Stress Tolerance Index (STI), Sensitive Index (SSI) and TOL were calculated. Results indicated that there were significant difference in germination traits among genotype (P<0.05). It was shown that STI is the best parameters for tolerance in genotype selection. IAS58/4/KAL/BB//CJ71/3/ALD/5/CNR/6/BAU/7/BAU/8/BR23/PF, TNMU/SKAUZ SITE/ORL-9127 PRINIA//LIRA/TAN, OPATA85//VEE#5"S"/SARA, TAJAN genotypes have higher tolerance in saline condition and then it could be selected as superior genotypes. Manuscript profile
      • Open Access Article

        7 - Study of Zinc Chelate Foliar Application on Yield, Yield Components and Harvest Index Some from of Bread Wheat Cultivars in Esfahan Weather Conditions.
        Marjan Nekoukhou ahmad majidimehr
        Zinc (Zn) is an essential mineral nutrient for plant and human growth, and a dietary Zn deficiency is a worldwide nutritional problem. In other to Study effect of zinc chelate foliar application on yield, yield components, and Harvest Index 4 bread wheat cultivars in Es More
        Zinc (Zn) is an essential mineral nutrient for plant and human growth, and a dietary Zn deficiency is a worldwide nutritional problem. In other to Study effect of zinc chelate foliar application on yield, yield components, and Harvest Index 4 bread wheat cultivars in Esfahan weather conditions. The experiment was arranged as a split-plot based on randomized complete blocks design with three replications in the crop year 2017-2018 In the central part of city Isfahan. The main factor consisted of zinc chelate foliar application in two levels (Non- foliar application and foliar application with concentration 5 in thousand) and subfactor was Consist of four cultivar bread of wheat (Sirwan, Sivand, Baharan, and Back-Cross). The results of the experiment showed that there was a significant difference between two levels of foliar application and four types of wheat varieties for plant height, Numbers of fertile tillers, number of spikes, grain yield and biological yield. Also, the interaction of foliar application in cultivars has a significant difference in yield and yield components.Maximum amount 1000 grain weight, number of spike and number of seeds per spike belonged to F2V4 treatment. The maximum grain yield (6765.00 Kg/ha) and biological yield (1866.00 Kg/ha) belonged to F2V4 treatment and the lowest was 3933.00 and 6096 Kg/ha, respectively, belonged to F1V1 treatment. In general, to look at the role of zinc element in the physiology of plants, especially crop wheat, as a zinc-deficient herb, it can be increased by the application of zinc-containing compounds. Manuscript profile
      • Open Access Article

        8 - Effects of Seed Coating on Germination rate of Triticum aestivum Var. Zagros in Soil moisture levels and Sowing Depths
        Hamid Reza Mehrabi
        Seed coating one of the methods seed amplifier in which various materials attach to the outer surface of the seed to minimize negative environmental impacts and improve plant establishment. This research in order to study the effects of different methods of seed coating More
        Seed coating one of the methods seed amplifier in which various materials attach to the outer surface of the seed to minimize negative environmental impacts and improve plant establishment. This research in order to study the effects of different methods of seed coating on the germination of Triticum aesativum Zagros variety in Different Soil moisture levels and Sowing Depth and was conducted in a growth chamber with farming soil as factorial in a completely randomized design with four replications. Treatment of coating materials include four levels: none coverage (NC), mineral matter (CC), material with organic base (OC) and material with hydrogel base (HC), soil moisture treatment in three levels including 9%, 14% and 21% of dry soil weight, planting depth treatment in both levels of surface cultivation and three times of the diameter of the seed was used. During testing germination percentage was evaluated, the results showed that all main effects of treatments (coating materials, soil moisture and planting depth) on germination of Triticum aesativum Zagros variety at 1% is significant. The interaction between treatments of soil moisture and seed cover, as well as treatments of planting depth  and seed cover, on the germination percentage significanted (p <0.01). The interaction between soil moisture and planting depth treatments as well as the triple effects of sowing depth, soil moisture and seed cover on germination percentage was not significant (p> 0.05). Manuscript profile
      • Open Access Article

        9 - Influence of KCl and urea spraying on quality and quantity of wheat cv. Sardari under rainfed conditions
        Mehrdad Abdi
        In 2012 a factorial experiment was conducted in Khodabandeh Dryland Research Station to study the effects of foliar spraying of urea, potassium chloride and urea + potassium chloride on grain yield, grain protein and leaf relative water content of Sardari wheat under ra More
        In 2012 a factorial experiment was conducted in Khodabandeh Dryland Research Station to study the effects of foliar spraying of urea, potassium chloride and urea + potassium chloride on grain yield, grain protein and leaf relative water content of Sardari wheat under rainfed condition. Also, to determine the most effective application time of nutrients used at various growth stages including double ridge, milky and double stage + milky stage, factorial experiment had 15 treatments and arranged in a randomized block design with three replications. The amounts of urea and potassium chloride used as foliar spraying were equivalent to 20 kg/ha. The urea and potassium chloride were sprayed with concentrations of 5 and 1%, respectively. Growth preserved leaf moisture and resulted in highest leaf relative water content. Spraying potassium chloride + urea in double ridge and milky stages resulted in highest grain yield, biological yield, thousand kernel weight, number of kernel per head and grain protein content. These parameters showed 40, 9.3, 49 and 7.9% increasing comparing to the check, respectively. The overall results showed that spraying potassium chloride before anthesis stage increased grain yield and number of grain per head, while spraying after anthasis stage increased significantly protein content and thousand kernel weight.   Manuscript profile
      • Open Access Article

        10 - Evaluation and comparision of two surface tillage and conventional tillage methods on grain yeild and yeild components of wheat
        Masoud Zabolestani Ali Reshad Sedghi Ali Salak Zamani
        Every year the degradation of agricultural soils are increasing due to improper tillage operations. The main objective of this study was evaluation and comparison of shallow and conventional tillage methods and their effects on wheat yield and its components. The study More
        Every year the degradation of agricultural soils are increasing due to improper tillage operations. The main objective of this study was evaluation and comparison of shallow and conventional tillage methods and their effects on wheat yield and its components. The study was conducted in three consecutive years with two treatments and four replications in Khosroshahr, Iran. Treatments was 1. conventional tillage method comprised of: moldboard plowing at the depth of  20-25 cm, disk harrowing at the depth of 12 –15 cm, leveling, following by chemical fertilizer and planting with grain drill, and 2. Shallow tillage method was included: disk harrowing in the depth of 6-8 cm after removing residue, disk harrowing in the depth of 12 –15 cm in fall, spike tooth harrowing, following by chemical fertilizer and planting with grain drill. The combined analysis of data indicated that there was no significant difference between conventional and surface tillage methods in grain yield, number of heads in unit area, number of grain in the head, 1000 kernel weight, weight of straw and harvesting index. The average wheat yield by conventional tillage was 79 kg more than that of by shallow tillage. This difference might be due to higher plowing depth and better residual burying with mold board plow. The grain yield in surface tillage was 97.5% of the yield in conventional tillage. Conventional tillage consumes more energy compared to shallow tillage, takes more time, causes more depreciation of the implements and therefore increases costs. Considering short available time for cultivation, and also no significant differences in the yield by the two tillage methods, the shallow tillage can be recommended in irrigated wheat farms. Manuscript profile
      • Open Access Article

        11 - Effects of nano particle foliar application of iron nano on some morphophysiological traits of Wheat (Triticum aestivum L.), at Shahr- e Qods rejion
        mitra bakhtiyary payam moaveni behzad sani
          This experiment was done to evaluate the effect of nano iron oxide on some morphophysiological traits  of wheat (Triticum aestivum L.) at  Shahr-e Qods region  in years of 2013 and 2014. Experimental design, was factorial in a randomized complete b More
          This experiment was done to evaluate the effect of nano iron oxide on some morphophysiological traits  of wheat (Triticum aestivum L.) at  Shahr-e Qods region  in years of 2013 and 2014. Experimental design, was factorial in a randomized complete block with four replications. Treatments included, treatment of date of nano iron sparaying in milky  and pasty stage and another treatment was, concentrations of nano iron 0, 0.01, 0.02, 0.03 and 0.04 percent. Traits that measured was 1000 grain weight,grain yield,gluten and amount of grain starch. The final results showed that, the effect of date of nano iron sparaying, was significant only on the gluten, starch, 1000 grain weight, grain yield while, of nano iron concentrations treatment, was significant on gluten, starch, 1000 grain weight, grain yield. Interaction effect of date of sparaying and concentrations of nano iron oxide, was not significant on all characteristics. Final results  showed that at effect of stages , maximum amount of grain yield,1000 grain wight,starch and gluten was obtained in milky stage.also results  from spraying with concentrations of nano iron oxide showed that maximum amount sof 1000 grain weight ,grain yield and gluten of grain obtained in 0/04 percent .while most amount of starch obtained in 0 concentraion. Manuscript profile