Esmaeil Gholinezhad; Bakhtiar Lalehgani; Shahryar Kazemi
Abstract
In order to investigate the effect of polyamines on antioxidant activity and biochemical traits of Camelina under salinity stress conditions, a pot (as poen air) experiment was conducted at Payame Noor University (PNU), Iran in March 2022 as factorial layout based on a completely randomized design with ...
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In order to investigate the effect of polyamines on antioxidant activity and biochemical traits of Camelina under salinity stress conditions, a pot (as poen air) experiment was conducted at Payame Noor University (PNU), Iran in March 2022 as factorial layout based on a completely randomized design with 12 treatments and 3 repetitions. The salinity treatment was at three salinity levels (0, 15 and 30 dS/m) and 4 foliar spraying levels including 1- spermine (2 mM), 2- spermidine (2 mM), 3- putrescine (2 mM) and control (pure water foliar spraying). The results showed that with the increasing salinity stress, oil and protein contents and dry seed weight, chlorophyll index, shoot organic and mineral percentage decreased, but protein percentage, shoot ash percentage, soluble sugars, antioxidant activity and ion leakage percentage increased significantly. Salinity stress of 30 and 15 ds/m compared to the control, reduced the chlorophyll index (32 and 15 percent) and mineral percentage (19 and 3 percent), oil percentage (17 and 9 percent), dry oil weight in pot (62 and 21 percent) and dry seed weight (52 and 10 percent), but protein percentage (9 and 3 percent), ash percentage (33 and 30 percent), soluble sugars (32 and 20 percent) and antioxidant activity (21 and 13 percent) increased, respectively. Also, foliar spraying with polyamines increased the above traits, but decreased the percentage of ion leakage. Therefore, in order to decreasing the effects of salinity stress and increasing the dry seed and oil weights in pot, spraying with polyamines, especially spermine, is suggested.
Faezeh Heidari; Jalal Jalilian; esmaeil gholinezhad
Abstract
Objective: Regarding the importance of nutritional management in saline conditions and the need to investigate the nutritional aspects of the new quinoa crop, this research was conducted with the aim of investigating the effect of different levels of salinity stress and different nano fertilizers on ...
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Objective: Regarding the importance of nutritional management in saline conditions and the need to investigate the nutritional aspects of the new quinoa crop, this research was conducted with the aim of investigating the effect of different levels of salinity stress and different nano fertilizers on the morphological characteristics and quantitative and qualitative characteristics of quinoa forage.
Methods: This experiment was conducted on factorial experimental based on a completely randomized design with three replications in the research field of Urmia University during 2017-2018. The first factor was salinity stress with water of Lake Urmia at three levels (0, 16, 32 dS m-1) and the second factor was nano-fertilizer at five levels (potassium, zinc calcium, silica, and no foliar application (control)).
Results: The results showed that the highest and lowest values of plant height, leaf dry weight and inflorescence dry weight were obtained from the treatment without salinity stress and salinity stress at 32 dS m-1, respectively. Salinity stress at 32 and 16 ds/m, compared to the control, increased crude protein (5% and 3%), soluble carbohydrates (15% and 14%), acid detergent fiber (23% and 7%), neutral detergent fiber (20% and 5%) and crude fiber (10% and 5%), respectively, while it reduced the total ash (27% and 17%) and dry matter digestibility (22% and 8%). Also, foliar application of nano-fertilizers improved forage quality traits such as crude protein, total ash, dry matter digestibility and soluble carbohydrate content and unfavorable qualitative traits such as neutral detergent fiber, acid detergent fiber and crude fiber decreased.
Conclusion: Therefore, in order to improve the growth, increase the quality of quinoa forage, and reduce the effects of salinity stress, foliar application with various nano-fertilizers, especially calcium nano-fertilizer, is highly recommended.
Seyedeh nasrin Hosseini; Jalal Jalilian; esmaeil gholinezhad
Abstract
In order to investigate the effect of water deficit stress and stress modifiers on some morphological and physiological characteristics and yield of Quinoa, a pots factorial experiment, based on a completely randomized design, with 16 treatments and 6 iterations has been done during 2019 at Urmia University. ...
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In order to investigate the effect of water deficit stress and stress modifiers on some morphological and physiological characteristics and yield of Quinoa, a pots factorial experiment, based on a completely randomized design, with 16 treatments and 6 iterations has been done during 2019 at Urmia University. The first factor includes water deficit stress at four levels, stress at the vegetative growth stage, stress at the reproductive growth stage, stress at seed filling stage, and no stress (control). The second factor is foliar spraying of ascorbic acid, salicylic acid, nano-micronutrient chelate fertilizer, and control (water spray). Water deficit stress at different growth stages decreases plant height, a number of laterals, dry weight, fresh weight of vegetative organs, root volume, fresh, and dry weight of root and root length, compared to the control. However, electrolyte leakage and leaf temperature are increased. Results show that water deficit stress at post-anthesis stage decrease grain yield via decreasing 1000-grain weight. Foliar application of growth regulators by improving yield components, increase the yield of quinoa under water deficit stress condition. Therefore, according to the results, it seems that the use of stress modulators in quinoa under water deficit stress with stimulating growth and metabolism, lead to water deficit stress tolerance.
Faezeh Heidari; Jalal Jalilian; esmaeil gholinezhad
Abstract
This experiment was conducted to investigate the effect of foliar application different nano-fertilizers on modulating negativeeffectsof salt stress on quinoa, in factorial experiment based on completely randomized design with three replications in the research farm of Urmia University in the pot during ...
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This experiment was conducted to investigate the effect of foliar application different nano-fertilizers on modulating negativeeffectsof salt stress on quinoa, in factorial experiment based on completely randomized design with three replications in the research farm of Urmia University in the pot during 2018. The first factor was salinity of irrigation water using (Lake Urmia water at three levels: 0, 16 and 32 dS/m and the second factor was nano-fertilizers at five levels: calcium, silicon, zinc, potassium and control (no foliar application). The results showed that salinity stress caused negative effects on all traits affecting quinoa growth. The highest decrease in traits was observed in salinity stress of 32 dS/m. Salinity stress of 32 and 16 dS/m compared to control decreased plant height (20 and 17%), inflorescence number (48 and 36%), root volume (44 and 40%), main root length (41 and 23%), root dry weight (68 and 30%), relative leaf water content (26 and 13%), chlorophyll index (15 and 7%) and 1000-seed weight (31 and 23%), respectively; but increased ionic leakage by 14 and 6%, respectively. Foliar application with nano-fertilizer compared to control increased the yield, yield components and morphological traits. The highest seed yield was obtained under optimum conditions and severe salinity stress (32 dS/m) by foliar application with nano-fertilizer of zinc and silicon, respectively. Under severe salinity stress, foliar application with nano-fertilizer of silicon compared to non-foliar application increased the dry weight of inflorescences, total dry weight and seed yield by 35%, 16% and 43%, respectively, and moderated the effects of salinity stress. Foliar application with nano-fertilizer via enhancing chlorophyll index, relative leaf water content and improving root characteristics, led to increase yield and seed yield components of quinoa. Therefore, it seems that foliar application of nano-fertilizers is suitable to improve the yield of quinoa especially in salinity stress conditions.
Esmaeil Gholinezhad; Ali Reza Eyvazi
Abstract
In order to investigate the effect of super absorbent polymer and manure fertilizer on water use efficiency of wheat (Triticum aestivum L.) cultivars under different water deficit conditions, an experimental was carried out in a factorial layout based on randomized complete block design with three replications ...
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In order to investigate the effect of super absorbent polymer and manure fertilizer on water use efficiency of wheat (Triticum aestivum L.) cultivars under different water deficit conditions, an experimental was carried out in a factorial layout based on randomized complete block design with three replications at the research field of West-Azerbaijan (Saatlo station) during 2017-2018 cropping seasons. The first factor was irrigation in two levels: normal and drought stress conditions. The second factor was super absorbent polymer 200 kg ha-1, manure fertilizer 40 ton ha-1, dual their application and control (non-application fertilizer) and the third factor included wheat cultivars (Mihan, Heidari and Zarineh). The results indicated that drought stress compared to normal irrigation reduced grain yield, chlorophyll index, harvest index and relative water content about 32, 22, 24 and 19 percent, respectively. The highest leaf temperature (33.10 °C) was obtained under drought stress and non-application fertilizer application and the lowest leaf temperature (21.99 °C) under favorable irrigation conditions and dual application of super absorbent polymer and manure fertilizer. The highest economical water use efficiency (1.34 kg m-3) and biological water use efficiency (4.10 kg m-3) were observed under drought stress conditions and dual application of super absorbent polymer and manure fertilizer. Mihan was superior cultivar for grain yield, harvest index and relative water content among cultivars under two different moisture conditions. The highest grain and biological yields were obtained under favorable irrigation conditions and dual application of super absorbent polymer and manure fertilizer.
Naser Samsami; Ali Nakhzari Moghaddam; Ali Rahemi Karizaki; Esmaeil Gholinezhad
Abstract
In order to investigate the effect of drought stress and inoculation with mycorrhizal fungi and rhizobium bacteria on quality and quantity of soybean yield, an experiment was conducted as a split-plot factorial in a RCBD with three replications at research farm of Agricultural Highschool of Urmia during ...
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In order to investigate the effect of drought stress and inoculation with mycorrhizal fungi and rhizobium bacteria on quality and quantity of soybean yield, an experiment was conducted as a split-plot factorial in a RCBD with three replications at research farm of Agricultural Highschool of Urmia during 2017 cropping season. Main plot was drought stress including optimum irrigation, moderate drought stress and severe drought stress and sub plots were mycorrhizal fungi in three levels (without mycorrhiza and inoculation with Glomus mosseae and G. intraradices) and Rhizobium japonicum in two levels (without inoculation and inoculation with R. japonicum). In response to moderate drought stress, protein percentage increased but increasing severity of drought stress reduced protein and oil percent. Irrigation along with inoculation with mycorhizal fungi specially G. mosseae enhanced number of seeds per plant, protein percentage and protein yield. Under three irrigation conditions, inoculation with bacteria compared to non-inoculation led to increase seed yield, oil yield and protein yield. Inoculation with bacteria and mycorhizal fungi increased seed yield and oil yield. Study of correlation coefficient showed that there was a positive and significant correlation between seed yield with 1000-seed weight, number of seeds per plant, oil and protein yield. According to the results of this research, using mycorrhiza G. mosseae and inoculation with R. japonicum can have a positive effect on the quantitative and qualitative traits of soybeans.
Jalal Jalilian; Reza Amirnia; Esmaeil Gholinezhad; Sahar Abbas zadeh
Abstract
To evaluate effected of supplemental irrigation and seed priming on yield and some quantity and quality characteristics of vetch (Vicia dasycarpa) rainfed maragheh cultivar, an experiment was carried out at the Research Farm of Faculty Agriculture of Urmia University, West Azarbaijan province, Iran, ...
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To evaluate effected of supplemental irrigation and seed priming on yield and some quantity and quality characteristics of vetch (Vicia dasycarpa) rainfed maragheh cultivar, an experiment was carried out at the Research Farm of Faculty Agriculture of Urmia University, West Azarbaijan province, Iran, during 2011. The experimental design was split-plot, laid out in Randomized Complete Block with three replicates. The main plots were without supplemental irrigation (I1), one times supplemental irrigation (I2), two times supplemental irrigation (I3) and three times supplemental irrigation (I4). The subplot included four levels of seed priming: Control (C), Water (W), Phosphate (P) and Nitroxin (N). Plant height, Pod number in stems, 1000-grain weight, biological yield (6.83 t/ha) and harvest index were influenced by the supplemental irrigation. Plant height, 1000-grain weight in second and third harvest and harvest index were influenced by seed priming. Maximum and minimum 1000-grain weight was observed in N (40.66g and 14.72) and C (37.05g and 10.36) seed priming, respectively. As a result, applying two times supplemental irrigation and seed treatment with phosphate and nitroxin had positive effects on quality and quantity yield of vetch.