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Open Access Article
1 - Farsi Abstracts
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Open Access Article
2 - Iron and zinc interaction on leaf nutrients and the essential oil of Pimpinella anisum L.
Alireza Pirzad Mohsen BarinFoliar spraying of a small amount of micronutrients (iron and zinc) may increase the yield of anise(Pimpinella anisum L.), an anethole-rich important medicinal plant. In order to evaluate the effect of iron (Fe) and zinc (Zn) spraying (0, 2, 4, and 6 g l-1) on the nutri MoreFoliar spraying of a small amount of micronutrients (iron and zinc) may increase the yield of anise(Pimpinella anisum L.), an anethole-rich important medicinal plant. In order to evaluate the effect of iron (Fe) and zinc (Zn) spraying (0, 2, 4, and 6 g l-1) on the nutrient contents and the essential oils of anise, a factorial experiment was conducted based on a randomized complete block design in Urmia University, Iran. Means comparison showed that the highest yield of biomass (2652 kg ha-1) and essential oils (49.83 kg ha-1) were observed in foliar application of 6 g l-1 of iron and 4 g l-1 of zinc. The highest leaf iron (4.89 mg g-1 dry matter) was observed at 6 g l-1 of Fe and Zn. On the other hand, there was a sharp rise of leaf zinc with higher amounts of Fe and Zn foliar sprays. The highest leaf nitrogen (35.7 mg g-1 dry matter) was obtained from 2 Fe + 6 Zn (g l-1). The highest leaf phosphorus (10.15 mg g-1 dry matter) and potassium (7.9 mg g-1 dry matter) concentrations were obtained from 4 g l-1 of Zn. In conclusion, Fe and Zn foliar applications enhanced the yield of anise through nutrient accumulation due to application of 4 g l-1 and higher. So, the highest yield was obtained from 4 g l-1 Zn with 6 g l-1 Fe for biological yield, and from 2 to 4 g l-1 Zn with 6 g l-1 Fe for essential oils. Manuscript profile -
Open Access Article
3 - The effect of different concentrations of exogenous nitric oxide on several physiological and biochemical parameters in NaCl-stressed coriander (Coriandrum sativum L.)
Roghayyeh Babri-Bonab sara saadatmand Hossein Nazemiyeh Alireza Iran-BakhshIn this study the influence of sodium nitroprusside (SNP, the donor of NO) was investigated on several physiological and biochemical parameters in Coriandrum sativum L. grown in saline and non-saline conditions. Fifteen-day-old coriander seedlings were treated with 50 a MoreIn this study the influence of sodium nitroprusside (SNP, the donor of NO) was investigated on several physiological and biochemical parameters in Coriandrum sativum L. grown in saline and non-saline conditions. Fifteen-day-old coriander seedlings were treated with 50 and 100 mM NaCl and 50, 75, and 100 μM sodium nitroprusside during 3 months. Then, carotenoids, carbohydrate, and soluble protein contents and proline accumulation were measured. Results indicated that NaCl-induced ionic toxicity led to a decrease in carotenoids amount. Under NaCl salinity, carbohydrate content increased sharply as compared with control plants. The protein content of plants did not follow a determined pattern. Furthermore, results showed that NaCl-induced ionic toxicity led to a significant increase in proline accumulation. Application of 50 μM SNP could improve carotenoids content of coriander. The use of different concentrations of SNP showed various effects on carbohydrate content. Application of 50 µM of SNP significantly enhanced the total protein content and proline accumulation; application of 75 and 100 µM SNP had variable effects on all measured parameters. These results suggested that 50 μM of SNP is suitable for reducing damage associated with salt stress. Manuscript profile -
Open Access Article
4 - Evaluation of Turkish durum wheat (Triticum turgidum var. durum) genotypes based on quantitative traits and shoot zinc accumulation under zinc-deficient calcareous soil
Ezatollah Esfandiari Majid Abdoli Behzad Sadeghzadeh Seyed-Bahman MousaviThis experiment was carried out in a Zn-deficient calcareous soil to study the effects of Zn deficiency on shoot dry weight, shoot content, and concentration of Zn, and also to identify new sources of Zn efficiency for further improvement of Zn efficiency with (+Zn = ap MoreThis experiment was carried out in a Zn-deficient calcareous soil to study the effects of Zn deficiency on shoot dry weight, shoot content, and concentration of Zn, and also to identify new sources of Zn efficiency for further improvement of Zn efficiency with (+Zn = application of 5 mg Zn/kg soil) and without Zn supply (-Zn = non-application of zinc) on 50 durum wheat genotypes for 45 days. Variance analysis for shoot dry matter, shoot Zn concentration, shoot Zn content, and Zn utilization efficiency revealed that these traits were significantly (P< 0.01) affected by Zn application and durum wheat genotypes. Results revealed that dry weight of shoot and shoot Zn accumulation were considerably improved by Zn fertilizers. Furthermore, there was a considerable genetic variation in the expression of Zn deficiency symptoms (slight to severe), Zn efficiency (49-100%), shoot Zn concentration (7.1-20.1 and 10.4-33.1 mg Zn/kg dry weight under Zn deficient and sufficient, respectively), shoot Zn content (0.31-1.47 and 0.7-2.9 µg/plant under Zn deficient and sufficient, respectively), and Zn utilizationefficiency (59.2-139.1 and 34.3-94.0 g dry weight/µg Zn under Zn deficient and sufficient, respectively) within durum wheat genotypes.In general, the presence of lines (AAZ, 4025, 45868, 45558 and Azarbayjan) with greater Zn efficiency than Zn efficient durum wheat cultivars (Ege-88, Aydin-93 and Akcakale-2000) indicates that the new lines can be used to improve current levels of Zn efficiency in durum wheat genotypes. Manuscript profile -
Open Access Article
5 - Evaluation of uptake rate and distribution of nutrient ions in wheat (Triticum aestivum L.) under waterlogging condition
Seyed Keyvan MarashiWaterlogging is an important factor which is influence on nutrient uptake. Therefore, in this study, the uptake and distribution of nutrients ions in different parts of plant were investigted in wheat cultivars. This study was conducted at the Agricultural Research Stat MoreWaterlogging is an important factor which is influence on nutrient uptake. Therefore, in this study, the uptake and distribution of nutrients ions in different parts of plant were investigted in wheat cultivars. This study was conducted at the Agricultural Research Station, Islamic Azad University- Ahvaz Branch. Experimental design was a factorial according to randomized complete block design (RCBD) with three replications. In this experiment three wheat cultivars namely “Chamran”, “Dez” and “Verry/nac” were used. These were grown under no-waterlogging (control), 7 days and 14 days of waterlogging. Meanwhile, waterlogging treatments for each cultivar were given separately at three different growth stages namely at the beginning of tillering stage, at the beginning of stem elongation stage and at the commencement of booting stage. The results showed that the concentration of N, K, Fe, Mn, Cu and Zn in root, stem and seed did not affect when waterlogging was applied at different growth stages, significantly. Duration of waterlogging significantly decreased concentration of N, K, Cu and Zn in all parts of plant. The concentration of Fe and Mn in the root increased significantly after duration of waterlogging, but decreased in stem and seed. Results also showed a significant difference between tested wheat cultivars for concentration of N, K, Fe, Mn, Cu and Zn in all parts of plant. Manuscript profile -
Open Access Article
6 - The effects of carbon dioxide concentrations on some morphological and physiological characteristics of ligustrum vulgare
Asghar Mosleh Arany Parvaneh Yousefvand Monire Minaii Afagh TabandehCarbon dioxide is one of the most important necessary factors for plant growth. In order to study morphological and physiological response of ligustrum vulgare to Co2 enrichment, one-year-old seedlings of this species exposed to different carbon dioxide concentrations f MoreCarbon dioxide is one of the most important necessary factors for plant growth. In order to study morphological and physiological response of ligustrum vulgare to Co2 enrichment, one-year-old seedlings of this species exposed to different carbon dioxide concentrations for two months. Treatments included 450 (control), 750, and 1100 ppm Co2. The experiment was based on a completely randomized design with three replications. Then some morphological and physiological characteristics were measured. Results showed Co2 concentrations of 750 and 1100 ppm increased all morphological traits (except collar diameter and root dry weight) and physiological characteristics such as proline, chlorophyll a and nitrogen. The highest amounts of proline, chlorophyll a and nitrogen were observed at concentration of 750 ppm. The amount of increase in proline was about 4-fold compared to the control. The study concludes that the increased carbon dioxide concentration in the future maybe improve the growth of this plant. Manuscript profile -
Open Access Article
7 - The effects of biofertilizers on physiological traits and biomass accumulation of red beans (Phaseolus vulgaris cv.Goli) under water stress
Saeid Chavoshi Ghorban Nourmohamadi Hamid Madani Hossein Heidari Sharif Abad Mojtaba Alavi FazelThis field experiment was executed as the split plot in a randomized complete block design with three replications in 2014. In a red bean irrigated farm, halt irrigation was implemented in main plots and the treatments included the control (full irrigation) and halt irr MoreThis field experiment was executed as the split plot in a randomized complete block design with three replications in 2014. In a red bean irrigated farm, halt irrigation was implemented in main plots and the treatments included the control (full irrigation) and halt irrigation at vegetation, flowering, and pod development stages. In subplots utilization of biofertilizers were applied at four cases of control, phosphorus solubilizing bacteria, potassium solubilizing bacteria, and combined application of these bacteria in soil. Results showed that halt irrigation and biofertilizers had significant interaction on red bean biomass. Normally, to achieve the highest biomass full irrigation and application of phosphorus and potassium solubilizing bacteria (8023 and 7978 kg ha-1) are suggested. But the use of biofertilizers instead of chemical fertilizers led to more water efficiency under low water condition. Finally, our results showed that maximum biomass in red bean (about 7985 kg. ha-1) was recorded in ecological nutrition management under limited water resources. In other words, halt irrigation at flowering stage was compensated by Bio-P and Bio-K fertilizer application as a logical method to mitigate and moderate biomass losses about 37%. Manuscript profile -
Open Access Article
8 - The effect of nitrogen and phosphorous fertilizers on morphophysiological properties of Althaea officinalis
Narges Meyghan Pezhman MoradiAlthaea officinalis hasasignificant role in preventing and treating different diseases. The present study was aimed to assess the effect of N and P fertilizers on leaf, seed, and flower properties in a semi-arid area of Iran. N was applied as NH2CONH at three stages (be MoreAlthaea officinalis hasasignificant role in preventing and treating different diseases. The present study was aimed to assess the effect of N and P fertilizers on leaf, seed, and flower properties in a semi-arid area of Iran. N was applied as NH2CONH at three stages (before cultivating stage, at 4-leaf stage, and before reproductive stage) as 50, 100, and 150 kg/ha. P was used as P2O5 before cultivating in three concentrations as 30, 60 and 90 kg/ha. Results showed that N fertilizer significantly increased plant height, leaf area, and leaf chlorophyll content, whereas P fertilizer only influenced the plant height. For seed properties, mucilage was not influenced by P fertilizer. Nor was 1000 seed weight affected by N fertilizer. P fertilizer significantly increased oil content. In contrast, a 0.5 % decrease in seed oil was observed in 150 kg/ha with respect to control. All flower properties (phenol, flavonoid, and antioxidant activity) of A. officinalis significantly increased by enhancing N and P concentrations. In most traits, 150 kg/ha N and 90 kg/ha P fertilizers were selected as most effective treatments. Manuscript profile -
Open Access Article
9 - Environmental concerns and green human resource management: A meta-synthesis
Ali Reza Nobari Seyed-Reza Seyedjavadin Taher Roshandel Arbatani Fereydoon Rahnamay RoodposhtiThe concept of green human resource management is presented as a new perspective in environment protection which incorporates environmental management into human resource management. This qualitative study aimed at examining the factors that lead employees to achieve en MoreThe concept of green human resource management is presented as a new perspective in environment protection which incorporates environmental management into human resource management. This qualitative study aimed at examining the factors that lead employees to achieve environmental performance in organizations through human resource management. First, a systematic meta-synthesis study was performed to review the literature during 2010-2015, and the desired codes were identified. Then, data were summarized and new components were presented by a focus group composed of informed experts. The amount of support factors identified in the previous studies was assessed and ranked using the Shannon entropy. Results indicate that among the 12 identified factors, training, recruitment, and rewards are the most important ones and play an important role in the implementation of green human resource management. Manuscript profile
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