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Open Access Article
1 - Design and fabrication of runaway probe for studying the behavior of runaway electrons in IR-T1 Tokamak
Taher Afsari Mahmood Ghoranneviss Sakineh Meshkani Mohammad Reza Ghanbari -
Open Access Article
2 - Nano-structured natural bentonite clay coated by polyvinyl alcohol polymer for gamma rays attenuation
Ibrahim Z. Hager Yasser S. Rammah Hossam A. Othman Eman M. Ibrahim Sayed F. Hassan Fawzy H. Sallam -
Open Access Article
3 - Optimization of Irradiated Kiwi Fruit Properties Using Response Surface Methodology and Prediction with Neural Network and Regression Method
H. Kiani M. H. Rahmati A. Mohammad-RazdariIntroduction: Application of ionizing radiation as a new method in the preservation ofagricultural products has been introduced since 35 years ago. Gamma irradiation has beenintroduced as a new technique to preserve the foods.Materials and Methods: Kiwifruit cultivar (H MoreIntroduction: Application of ionizing radiation as a new method in the preservation ofagricultural products has been introduced since 35 years ago. Gamma irradiation has beenintroduced as a new technique to preserve the foods.Materials and Methods: Kiwifruit cultivar (Hayward) has been used and the samples with 0(Control), 0.5, 1 and 2 kGy cobalt-60 were gamma irradiated then refrigerated at 3±1°C for aduration of 0, 30.60 and 90 days. In this study Response Surface Methodology and inputparameters consisted of irradiation dose and storage time for optimal conditions for storage ofirradiated kiwis were determined. Finally, using regression and neural network methodsoutput prediction and response surface method were compared.Results : The optimal conditions for storage of irradiated kiwis were determined. Theoptimum point for shelf-life, radiation dose, weight, color parameters L*, a* and b*, ascorbicacid content and pH value, were proposed respectively, (two months, 1 kGy, 48.13 and 45.86,11.03 and 12.79, 29.916, 3.2545). By increasing storage time and radiation dose, the weightof stored samples reduced. By increasing irradiation dose and duration of storage a*parameter decreased. By increasing irradiation dose also the b* parameter reduced but byincreased storage time, L* increased. Similarly, by increasing storage time and radiation dose,pH value increased and ascorbic acid content reduced.Conclusion: The neural network and regression analysis have been employed to predict thechanges in color, weight, pH value and ascorbic acid content. Manuscript profile -
Open Access Article
4 - Integrated effects of diatomaceous earth and Gamma ray on mortality of Red Flour beetle Tribolium castaneum (Col.: Tenebrionidae) in laboratory conditions
F. Shakhsi Zare M. Ghasemzadeh A. Sabetghdam N. BaghaeiThe study were done during 2010-2011 to investigate the integrated effects of different doses of gamma radiation and diatomaceous earth (INSECTO®) on Red Flour Beetle Tribolium castaneum (Herbst) in laboratory conditions (27±1°C, 60±5% humidity, da MoreThe study were done during 2010-2011 to investigate the integrated effects of different doses of gamma radiation and diatomaceous earth (INSECTO®) on Red Flour Beetle Tribolium castaneum (Herbst) in laboratory conditions (27±1°C, 60±5% humidity, dark room). In this study, adults of red flour beetle were grown on mashed corn (50 gram) and then treated with different doses of Gamma ray (100, 500 and 1000 Gray) and three doses of diatomaceous earth (0.5, 1 and 1.5 g kg-1). Percentage of mortality were recorded after 1, 2, 7, 14, 21, 28, 35 and 42 days and compared with control. Results showed significant differences among various doses of diatomaceous earth (DE) and Gamma ray and their interactions in most days after treatment. In comparing the means mortality in different doses of diatomaceous earth (DE) and various doses of Gamma ray, most mortality were recorded after 35 days in 1.5 gr/kg diatomaceous earth and 1000 Gray Gamma ray separately. In combination of Gamma ray and diatomaceous earth, most mortalities were recorded after 35 days for 1 and 1.5 g kg-1 (DE) combined with 500 and 1000 gray Gamma ray. It is concluded that 1 gkg-1 (DE) combined with 500 gray gamma ray is the best combination of the lreatmants. Manuscript profile -
Open Access Article
5 - Study of physiological and biochemical responses of rice mutant lines derived from gamma ray irradiation and local varieties under saline field conditions
Leila Bagheri Sara saadatmand Neda Soltani Vahid NiknamRice (Oryza sativa L.) is one of the crops which is the main source of food for more than a third of the world's population. Limiting factors such as environmental stress require increasing the yield of agricultural products per unit area. Soil salinity is one of the mo MoreRice (Oryza sativa L.) is one of the crops which is the main source of food for more than a third of the world's population. Limiting factors such as environmental stress require increasing the yield of agricultural products per unit area. Soil salinity is one of the most important factors reducing the productivity of crops throughout the world. Induced mutation is widely used as an effective tool for improving the yield, quality, and resistance to biotic and abiotic stresses in product modification. In order to screen salt-tolerant superior mutant lines of rice, 10 mutant lines (M5) derived from three Iranian local varieties (Tarom, Anbarbo, and Hasani) were assessed during two generations (M6 and M7) at saline field (EC of soil was 6-8 ds/m). The experiment was conducted based on a randomized complete block design with three replications. Three salt-tolerant superior mutant lines (13-3, 32-18 and 22-1) were selected in comparison with their parents (control). Physiological parameters of superior mutant lines (high stomatal conductivity, Fv/Fm, and total chlorophyll) were biochemical (lower Na+/K+ ratio, high proline accumulation, less membrane damage). These superior mutant lines will be introduced as new salt-tolerant rice varieties and sources of plant germplasm. Manuscript profile -
Open Access Article
6 - The effect of gamma rays on shelf life of grass carp (Ctenopharyngodon idella) fillet in the refrigerator condition
reza shahhoseini Zohreh MashakVarious ways to increase the duration used for food storage, among whom radiation can be used as an effective way to retard spoilage in food in particular is concerned with the origin of the fish. In this study 50 grass carp (Grass carp) (Ctenopharyngodon idella) (mean MoreVarious ways to increase the duration used for food storage, among whom radiation can be used as an effective way to retard spoilage in food in particular is concerned with the origin of the fish. In this study 50 grass carp (Grass carp) (Ctenopharyngodon idella) (mean weight 1-1.5 kg) for gamma irradiation with cobalt-60 source by doses of zero, 1.5, 2.5 and 3.5 kGy chosen and then change microbial load and total volatile nitrogen in the days 1, 7 and 14 were evaluated under the conditions of storage in refrigerator. These research results demonstrate the significant decline in aerobic mesophilic bacteria and T.V.N in the irradiated samples in comparison with non-irradiated samples. In this study, given that the dose of 3.5 kGy dose caused a significant decrease in comparison with other (standard range) T.V.N values and aerobic mesophilic bacteria was in the refrigerator until the seventh day. Therefore, in Grass carp using it (3.5kGy) as the best dose to prevent corruption is recommended in seventh days. Manuscript profile -
Open Access Article
7 - بهبود ارزش تغذیهای کنجاله آفتابگردان به وسیله پرتوتابی با تابش الکترون و اشعه گاما
F. Ghanbari T. Ghoorchi P. Shawrang H. Mansouri N.M. Torbati-Nejadاین پژوهش به ­منظور مقایسه تأثیر تیمارهای پرتو الکترون و اشعه گاما در دزهای 25، 50 و 75 کیلوگری، بر کینتیک تجزیه شکمبه­ای و قابلیت هضم برون تنی کنجاله آفتاب­گردان انجام گرفت. پرتوهای یون­ساز الکترون و گاما اثر معنیداری بر فراسنجه­های تجزیه پذیری ما Moreاین پژوهش به ­منظور مقایسه تأثیر تیمارهای پرتو الکترون و اشعه گاما در دزهای 25، 50 و 75 کیلوگری، بر کینتیک تجزیه شکمبه­ای و قابلیت هضم برون تنی کنجاله آفتاب­گردان انجام گرفت. پرتوهای یون­ساز الکترون و گاما اثر معنیداری بر فراسنجه­های تجزیه پذیری ماده خشک، پروتئین خام و اسیدهای آمینه کنجاله آفتاب­گردان داشتند (05/0P<). تجزیه پذیری مؤثر شکمبه­ای ماده خشک در کنجاله آفتاب­گردان پرتوتابی شده با تابش الکترون و اشعه گاما، کمتر از کنجاله آفتاب­گردان پرتوتابی نشده بود (05/0P<). تیمار پرتو گاما در دز 75 کیلوگری، تجزیه پذیری مؤثر شکمبه­ای پروتئین خام را در مقایسه با شاهد کاهش داد (05/0P<). تجزیه پذیری مؤثر شکمبه­ای پروتئین خام به ­وسیله تابش الکترون تحت تأثیر قرار نگرفت (05/0P>). عمل­آوری پرتوتابی باعث کاهش تجزیه اسیدهای آمینه بعد از 16 ساعت انکوباسیون شکمبه­ای شد (05/0P<). تأثیر پرتو گاما در کاهش تجزیه پذیری شکمبه­ای اسیدهای آمینه بیشتر از تابش الکترون بود (05/0P<). قابلیت هضم برون­تنی پروتئین خام در کنجاله آفتاب عمل­آوری شده با تابش الکترون و اشعه گاما بهبود یافت (05/0P<). این پژوهش، بر پایه مطالعات برون­تنی و تکنیک کیسه­های نایلونی، نشان داد که عمل­آوری با تابش الکترون و اشعه گاما می­تواند به ­عنوان یک روش مؤثر برای بهبود ارزش تغذیه­ای کنجاله آفتابگردان مورد استفاده قرار گیرد. Manuscript profile -
Open Access Article
8 - القاء جهش در گل داوودی شاخه بریده با استفاده از روش پرتوتابی گاما
محمدرضا شفیعی عبدالله حاتم زاده پژمان آزادی حبیب الله سمیع زادهداوودی یکی از انواع گیاهان زینتی است که به صورت بسیار گستردهای در سطح جهان کشت میشود. این گل به لحاظ تنوع بالای رنگ و شکل دومین گل شاخه بریده و گلدانی در دنیا به شمار میآید. ایجاد موتاسیون روشی مهم برای تولید ارقام جدید است و ارقام بسیاری از طریق جهشهای خودبهخودی Moreداوودی یکی از انواع گیاهان زینتی است که به صورت بسیار گستردهای در سطح جهان کشت میشود. این گل به لحاظ تنوع بالای رنگ و شکل دومین گل شاخه بریده و گلدانی در دنیا به شمار میآید. ایجاد موتاسیون روشی مهم برای تولید ارقام جدید است و ارقام بسیاری از طریق جهشهای خودبهخودی و القاء شده تولید شده است. در این پژوهش ریزنمونهی قطعات برگی از سه رقم مهم داوودی با دوزهای مختلف اشعهی گاما مورد پرتوتابی قرار گرفتند. این آزمایش به صورت فاکتوریل در قالب طرح بلوکهای کامل تصادفی در 3 تکرار اجرا شد. بررسی نتایج نشان داد که دوز مناسب پرتو گاما، برای ایجاد جهش در ارقام مورد استفاده در این آزمایش 25 گری است. نتایج بدست آمده نشان داد که دوز 25 گری در رقم بنفش بیشترین تغییر رنگ گلبرگها با نرخ جهش 54/26 درصد را ایجاد کرد. در این بین بیشترین تعداد رنگ جدید متعلق به گروه بنفش کمرنگ بود. همچنین در رقم صورتی خالدار نیز بیشترین تعداد گلهای تغییر رنگ یافته با مقدار تغییر 11/32 درصد در تیمار 25 گری مشاهد شد. بر اساس نتایج بدست آمده در این پژوهش چهار رقم جدید برای ارائه به صنعت گل ایران به عنوان رقم جدید معرفی خواهد شد. Manuscript profile -
Open Access Article
9 - Radiosensitivity Study for Identifying the Lethal Dose in MR219 (Oryza sativa L. spp. Indica cv. MR219)
Ali Benjavad Talebi Amin Benjavad Talebi -
Open Access Article
10 - Induction of salt tolerant soybean [Glycine max (L) Merr. cv. 033] mutants with gamma ray irradiation under greenhouse condition
miaad kia نادعلی بابائیان جلودار بابائیان جلودار نادعلی باقریIn order to study salt tolerance of 38 genotypes derived from gamma ray irradiation on 033 soybean cultivar (M2 generation), seeds of selected M1 genotypes were sown under greenhouse condition with 3 levels of sodium chloride (30, 60 and 90 mM) in sandy culture as a fac MoreIn order to study salt tolerance of 38 genotypes derived from gamma ray irradiation on 033 soybean cultivar (M2 generation), seeds of selected M1 genotypes were sown under greenhouse condition with 3 levels of sodium chloride (30, 60 and 90 mM) in sandy culture as a factorial experiment on the basis of randomized complete block design with 3 replications in 2008. After 60 days from imposing salinity treatment, the traits of stem length, root length, root node number, plant fresh weight, dry weight of aerial part of plant, root dry weight and plant biomass were recorded. Analysis of variance indicated that there were significant differences between salinity treatments, genotypes and their interaction. Moreover, results showed significant differences in morphological traits. The observations showed the most extensive variation range was belonging to 320 Gy dose of gamma ray. In this study, 13 genotypes were selected and they were tolerant to all salinity levels compare to control. These promising genotypes can be used as new germplasms to obtain new salt tolerant or resistant varieties in near future. Manuscript profile -
Open Access Article
11 - Effects of different radiation Gamma ray doses on sesame seed variation process, quantitative and qualitative characters in Firouz-abad, Fars
O. alizadeh M. zare A. Ganji For evaluation of gamma radiation at different intensities on the qualitative and quantitative traits in sesame, the experiment was conducted in a factorial with completely randomized block design using four replication i More For evaluation of gamma radiation at different intensities on the qualitative and quantitative traits in sesame, the experiment was conducted in a factorial with completely randomized block design using four replication in Firouzabad. Before planting, 15 grams of sesame seeds for each plot was exposured with gamma rays at 100, 200, 250, 300 and 350 Gary in the Karaj Nuclear Agency. Properties that were studied include: height. The number of lateral branches, number of capsules, during the flowering period, yield per plant, grain weight, percentage of protein and oil. According to properties were measured and comparisons,treatment of 200 Gary showed positive effects. Maximum of yield (1669 kg/ha), plant high (108cm), grain weight (3.27 gr) was related to 200gry treatment and Maximum of percentage of protein (56) and number of capsules (182 per plant) was related to 150 gry treatment..higher doses ,especially 350 Gary, had negative effect on characteristics of the study.Yield has negative correlation with during the flowering period but it has positive correlation with another treats and highest correlation was between yield and grain weight. Manuscript profile -
Open Access Article
12 - Effects of gamma ray on grain yield, yield components and morphological triats related to lodging in the rice of (Oryza sativa L.)
M. Morad A. Dehpour Jooybari H. R, Mobaser E. Rahimi Petroudi M. RahmaniGamma ray is one of the electromagnetic rays that has the capacity of ionization and inspiration and its penetrating power is more than that of beta and alphas. Therefore, To determine the effect of gamma ray on agronomic and morphological traits related to lodgin MoreGamma ray is one of the electromagnetic rays that has the capacity of ionization and inspiration and its penetrating power is more than that of beta and alphas. Therefore, To determine the effect of gamma ray on agronomic and morphological traits related to lodging in the rice (Oryza Sative L.) an experiment based on randomized complete block design (RCBD) was performed in four replications in the growth year of 1388(2010) in the city of Qaemshahr. Treatments were rice seeds under different dozes of gamma rays (60 cobalt) in four levels (100,200 and 300 Gy and control or without shining). The results showed that the bending movement of third and fourth inter nodes with an increase in the gamma ray doze up to 300 Gy in comparison with the control 27.4% and 28.1%, respectively had a decreasing movement. The maximum grain yield with shining 300 Gy (259 gm2)was obtained. Because the highest number of spikelet in panicle (170.15 ones) and number of panicle in a square meter (401.25) was obtained for the same doze of shining. The lowest grain yield (173.75 gm2) was obtained for the control group. The minimum plant height was obtained with shining 300 Gy that was equal to 145.01centemeters and the maximum plant height was for the shining of 100 Gy and control respectively that was 153.07 and 156.56 centimeters. Manuscript profile
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