List of Articles جلبک دریایی

• Open Access Article
  • Abstract Page
  • Full-Text
  
  1 - Effect of Red Algae ethanolic extract and its possible neural interactions on formalin-induced pain in mice
  مهسا Mahsa Amireghbal KhajehRahimi Shahin Hassanpour
  Due to the side effects of chemical drugs in pain relief, the use of herbal medicines is increasing. Red algae have antioxidant, antibacterial, antifungal, antitumor, and antimicrobial properties. The present study aimed to investigate the effect of Red Algae ethanolic More

  Due to the side effects of chemical drugs in pain relief, the use of herbal medicines is increasing. Red algae have antioxidant, antibacterial, antifungal, antitumor, and antimicrobial properties. The present study aimed to investigate the effect of Red Algae ethanolic extract and its possible neural interactions on formalin-induced pain in mice. 125 adult male mice allocated in 6 experiments. In the first experiment, mice were injected intraperitoneally with saline, red algae extract (2.5, 5, and 10 mg/kg), and morphine (5 mg/kg). In the second experiment, mice received intraperitoneal injections of saline, red algae extract (10 mg/kg), naloxone (non-selective opioid antagonist, 2 mg/kg), and naloxone + red algae extract. Experiments 4 to 6 were similar to the second experiment but injected with flumazenil (non-selective GABA receptor antagonist, 5 mg/kg), cyproheptadine (non-selective serotonin receptor antagonist, 2 mg/kg), chlorpheniramine (histamine H1receptors antagonist, 20 mg/kg) and cimetidine (histamine H2receptors antagonist, 12.5 mg/kg) were used instead of naloxone. After 30 minutes, subcutaneous injection of formaldehyde was performed on the plantar surface of the right foot, and the time of licking, chewing, and biting (Licking Time) was measured. According to the results, morphine significantly reduced pain time compared to the control group (P<0.05). Red algae extract in a dose-dependent manner reduced pain compared to the control group (P<0.05). Injection of naloxone + red algae extract significantly reduced the analgesic effects of red algae extract compared to the group of red algae extract (P<0.05). Flumazenil + red algae extract significantly reduced the analgesic effects of red algae extract (P<0.05). Injection of cyproheptadine + red algae extract significantly enhanced the analgesic effects of red algae extract (P<0.05). Injection of chlorpheniramine + red algae extract significantly reduced the analgesic effects of red algae extract (P<0.05). The results showed that the analgesic effects of red algae are mediated by opioidergic, serotonergic, GABAergic and histaminergic pathways. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  2 - Comparison Uptake of Cadmium (II) from Wastewater, Onto Brown Alga and Bacterium
  Salman Ahmady-Asbchin Naser Jafari
  AbstractIntroduction:Amongst the environmental problems, environmental pollution by heavy metal can be pointed. Theaim of this work is to investigate adsorbing Cadmium (II) a brown alga Fucus serratus and its uptakeby gram-positive bacteria Bacillus sp. Biological metho More

  AbstractIntroduction:Amongst the environmental problems, environmental pollution by heavy metal can be pointed. Theaim of this work is to investigate adsorbing Cadmium (II) a brown alga Fucus serratus and its uptakeby gram-positive bacteria Bacillus sp. Biological methods in comparison with conventional chemicaland physical methods have higher efficiency.Material & Methods:In this study, isotherm and kinetics of cadmium (II) uptake by bacteria and algae in batch reactor isstudied. Langmuir equation based on the maximum rate of uptake of cadmium (II) in bacteria andalgae is achieved. The bacillus sp selected in Tehran, and algae brown Fucus serratus harvested fromPonic city in ocean Atlantic in France.Results & discussion:This study has shown cadmium (II) uptakes, equilibrium time for algae is about 240 minutes and forbacteria is about 10 minutes respectively. The adsorption equilibrium date was well described byLangmuir equation. The maximum capacity has been extrapolated to 0/45, 0/85 mmol /g for bacillusand F. serratus respectively. All these observation indicate that, this biomass (alga) could be a suitablesorbent for the removal of cadmium from wastewaters. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  3 - بررسی اثر عصاره جلبک دریایی Ecklonia maxima بر خصوصیات کمی، کیفی و عمر پس از براشت گل لیلیوم(Lilium spp.) رقم Brunello
  عبداله جعفری‌برزانی وحید عبدوسی علیرضا لادن مقدم
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  4 - Effects of Salicylic Acid and Seaweed (Ascophyllum nodosum) Extracts Application on some Physiological Traits of White Bean (Phaseolus lanatus L.) under Drought Stress Conditions
  Sara Beigzadeh Abbas Maleki Mohammad Mirzaee Heydari Alireza Rangin Ali Khorgami
  10.30495/jcep.2020.671639
  Drought is one of the most important growth and yield limiting factors of crop plants in many parts of the world. To investigate the effects of drought stress and seaweed extract and salicylic acid on some photosynthetic and photochemical traits of white bean plant, a s More

  Drought is one of the most important growth and yield limiting factors of crop plants in many parts of the world. To investigate the effects of drought stress and seaweed extract and salicylic acid on some photosynthetic and photochemical traits of white bean plant, a split-factorial experiment, based on randomized complete block design with three replications was conducted in 2016-2017 growing season. The experiment was performed at two different locations: Islamabad and Khorramabad. Main factor consisted of three levels of irrigation (irrigation after 60 mm, 90 mm and 120 mm of accumulated evapotranspiration of class A pan evaporation and sub-plots of 8 different levels of salicylic acidapplication (0.5 molar), no application of salicylic acid, 4 levels of seaweed extracts applications 0, 50, 100 and 150 grams. Results of this study showed that drought stress decreased the rate of photosynthesis and chlorophyll content, but the salicylic acid increased both the rate of photosynthesis and chlorophyll content. Drought stress also increased proline content, ion leakage from the membrane and antioxidant enzyme activities such as catalase, ascorbate peroxidase and superoxide dismutase and reduced the grain yield. Application of salicylic acid increased the activity of antioxidant enzymes, but the response to salicylic acid was not similar in various levels of seaweed. The lowest grain yield was obtained from  irrigation after 120 mm evaporation and without application of seaweed. Highest grain yield was obtained from irrigation after 60 mm evaporation and 150 g. seaweed treatment. Application of seaweed enhanced the grain yield production. Application of salicylic acid also, increased grain yield by 4.5%. According to the results of this study, it seems that application of salicylic acid and seaweed may reduce some negative effects of drought stress. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  5 - Effect of Vermicompost and Liquid Seaweed Fertilizer on Morpho-physiological Properties of Marigold (Calendula officinalis L.)
  Milad Heydari Amir Mohammad Daneshian Moghaddam Hassan Nourafcan
  Marigold is an ornamental and medicinal plant and has also industrial in cosmetalogical uses. To evaluate the effects of vermicompost and seaweed fertilizers on some morpho-physiological properties of the plant, a factorial experiment based on a randomized complete bloc More

  Marigold is an ornamental and medicinal plant and has also industrial in cosmetalogical uses. To evaluate the effects of vermicompost and seaweed fertilizers on some morpho-physiological properties of the plant, a factorial experiment based on a randomized complete block (RCB) design with three replications was conducted in pot in Mianeh. In this experiment, the first factor was vermicompost fertilizer at four levels (0, 5, 10 and 15 t.ha-1) added to the pot soil and the second factor was for levels of liquid seaweed fertilizer (0, 1, 2 and 3 percent) sprayed on foliage. The assessed traits were leaf, root and stem dry weights, root volume, number of secondary shoots, plant height, leaf number, flowering period, number of flowers, flower diameter, dry weight of flowers, leaves electrolyte leakage, leaf area (LA) and essential oil percentage and yield. The results showed that application of vermicompost increased some traits, including plant height (18.58 cm), number of branches (4.3 branches), root volume (3.4 cm³) and leaf area index (65.55 cm2). Using 3 percent of liquid seaweed fertilizer was also effective. In general, application of 5 tons per hectare of vermicompost with 3 percent of liquid seaweed fertilizer resulted in highest flower and stem dry weights. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  6 - اثرات محرک‌های زیستی جلبک دریایی و هیومیک اسید و برخی عناصر غذایی بر جوانه زنی و دیگر صفات مرتبط در سویا
  محسن ایمانی محمدرضا داداشی ابوالفضل فرجی افشین سلطانی هدیه مصنعی
  10.30495/jsr.2023.1976784.1243
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  7 - بررسی اثر پرایمینگ با عصاره جلبک دریایی بر مولفه‌های جوانه زنی و صفات رشدی گیاهچه گشنیز (.Coriandrum sativum L) در زمان‌های مختلف
  عالیه شفیع پور کامبیز مشایخی
  10.30495/jsr.2022.1927264.1208
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  8 - اثرات محرک‌های زیستی جلبک دریایی و هیومیک اسید و برخی عناصر غذایی بر جوانه زنی و دیگر صفات مرتبط در سویا
  محسن ایمانی محمدرضا داداشی ابوالفضل فرجی افشین سلطانی هدیه مصنعی
  10.30495/jsr.2023.1976784.1243
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  9 - بررسی اثر پرایمینگ با عصاره جلبک دریایی بر مولفه‌های جوانه زنی و صفات رشدی گیاهچه گشنیز (.Coriandrum sativum L) در زمان‌های مختلف
  عالیه شفیع پور کامبیز مشایخی
  10.30495/jsr.2022.1927264.1208
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  10 - Evaluation of Textural and Sensory Properties of Diet Processed Pizza Cheese Based on Modified Starch and Salt Extracted from Seaweed
  Motahhareh Nasiri Hamid Tavakkolipour Shila Safaeian Rezvan Mousavi Nadoshan
  10.30495/jfst.2021.1927399.1715
  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  11 - اثر جلبک گونه سارگاسوم و ویتامین E بر ماندگاری گوشت غنی شده با روغن ماهی در جوجه‌های گوشتی
  ف. آرمین ش. رحیمی ع. مهدی آبکنار ی. غفرانی ایواری ح. ابراهیمی
  این مطالعه به منظور بررسی اثر جلبک قهوه­ای دریایی و ویتامین E بر ماندگاری گوشت مرغ غنی شده با روغن ماهی انجام شد. در این آزمایش 360 قطعه جوجه گوشتی یکروزه (آربوراکرز پلاس) که به صورت تصادفی در 6 تیمار با 4 تکرار شامل 15 جوجه اختصاص داده شدند. گروه‌های آزمایشی شامل: More

  این مطالعه به منظور بررسی اثر جلبک قهوه­ای دریایی و ویتامین E بر ماندگاری گوشت مرغ غنی شده با روغن ماهی انجام شد. در این آزمایش 360 قطعه جوجه گوشتی یکروزه (آربوراکرز پلاس) که به صورت تصادفی در 6 تیمار با 4 تکرار شامل 15 جوجه اختصاص داده شدند. گروه‌های آزمایشی شامل: گروه مصرف کننده جیره پایه (ذرت و سویا)، جیره پایه به همراه روغن ماهی، جیره پایه به همراه ویتامین E، جیره پایه به همراه روغن ماهی و ویتامین E، جیره پایه به همراه روغن ماهی و 5 درصد جلبک دریایی خشک شده و جیره پایه به همراه روغن ماهی و 10 درصد جلبک دریایی خشک شده بودند. روغن ماهی و ویتامینE  در 2 هفته آخر پرورش استفاده شد. جوجه‌ها در روز 42 کشتار شده و نمونه‌های گوشت تهیه شده در دمای 4 درجه سانتی‌ گراد نگهداری شدند. میزان مالون‌­دی‌آلدهید موجود در نمونه‌ها در روز‌های 0، 3 و 6 بعد از کشتار اندازه‌گیری شد. نتایج نشان داد که روغن ماهی باعث افزایش پراکسیداسیون گوشت شده و گذشت زمان باعث افزایش شدت آن می‌شود. تیمار‌های دریافت کننده ویتامین E پایین‌ترین میزان مالون‌­دی‌آلدهید را نشان داند و همچنین باعث افزایش ماندگاری گوشت­های غنی شده با روغن ماهی شدند. مصرف 10 درصد جلبک دریایی ماندگاری گوشت نواحی سینه و ران را در روز‌های 3 و 6 بعد از کشتار افزایش داد. بررسی پروفیل اسیدهای چرب نشان داد که استفاده از روغن ماهی باعث انباشت معنی‌ دار اسید چرب امگا 3 در عضله‌های ران و سینه می‌شود. همچنین مصرف همزمان روغن ماهی با جلبک دریایی باعث افزایش انباشت امگا 3 در عضله ران شد. ازطرفی مصرف جلبک دریایی سبب کاهش معنی دار میزان کلسترول و تری­گلیسیرید سرم خون جوجه­ها شد. به صورت کلی مصرف ویتامین E و جلبک قهوه‌ای دریایی باعث افزایش ماندگاری گوشت‌های غنی شده با امگا 3 شد. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  12 - Effect of various fertilizer sources on growth and hay yield of alfalfa
  محمدرضا نادری
  Optimum plant nutrition has an important role in improving its growth and yield and increasing the inputs use efficiency. The current study was performed with the aim of evaluating the effect of various fertilizer sources, including biofertilizer containing the Rhizobiu More

  Optimum plant nutrition has an important role in improving its growth and yield and increasing the inputs use efficiency. The current study was performed with the aim of evaluating the effect of various fertilizer sources, including biofertilizer containing the Rhizobium meliloti, sea weed extract, fertilizer containing micronutrients and urea on growth and yield of alfalfa during 2015 at Varamin complex of agriculture and animal husbandry as factorial experiment in the form of complete randomized design with three replications. Results showed that foliar application of urea and soil application of biofertilizer did not have a significant effect on growth and yield of alfalfa. Whereas, foliar application of sea weed extract and multimill fertilizer (containing micronutrients) resulted in increasing the hay yield of alfalfa by 12.7 and 24.7%, respectively. Furthermore, foliar application of micronutrient had a greater effect on hay yield of alfalfa than the sea weed extract, as the yield increment resulted from foliar application of micronutrient was 12 percent more than that obtained from foliar application of sea weed extract. Therefore, results of this study showed that foliar application of sea weed extract and fertilizer containing micronutrients can increase the yield and inputs use efficiency of alfalfa through improving its growth parameters and production of higher dry matter per unit of inputs used by plant. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  13 - Study the corn (Zea mays L.) response to the application of various chemical, nano, nano-biological fertilizers and organic extract of seaweed
  Farid Ahmadi Babak Pasari Mohsen Javaheri
  In order to study the corn response to the application of various chemical, nano, nano-biological fertilizers and organic extract of seaweed, an experiment was carried out at the research farm of agriculture faculty-Islamic Azad university- Sanandaj branch during 2016-2 More

  In order to study the corn response to the application of various chemical, nano, nano-biological fertilizers and organic extract of seaweed, an experiment was carried out at the research farm of agriculture faculty-Islamic Azad university- Sanandaj branch during 2016-2017. The experiment was conducted as split plot in a completely randomized block design with three replications. The main factor included the application of different fertilizers in six levels (control, chemical fertilizer, nano fertilizer, nano-biological fertilizer, combination of 50% chemical fertilizer + nano fertilizer, combination of 50% chemical fertilizer + nano-biological fertilizer) and a sub-factor including application of seaweed extract in two levels (control: distilled water and application of seaweed extract) were considered. The results showed that the effect of fertilization was significant on the characters as: cob length, cob diameter, number of rows per cob, number of seeds per row, 1000 grain weight, grain and biological yield, protein and oil percentage. The highest grain and biological yield were obtained from a combination of 50% chemical fertilizer + nano-fertilizer, which increased 10.52% and 14.85%, respectively in comparison with chemical fertilizer. The effect of seaweed extract on all studied traits was significant, with except to number of cob per plant. The seaweed extract increased the grain and biological yield to 12.48 and 11.66%, respectively. The results of interaction effects on all traits were significant with except to cob number and protein percentage. Finally, the maximum grain and biological yield were obtained from the combination of 50% chemical fertilizer + nano-fertilizer and seaweed. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  14 - Effect of biological fertilizer application on quantitative and qualitative traits of spring safflower under deficit irrigation
  M. AghaAlikhani A. Roozbahani
  In order to study the effect of biological fertilizer application on quantitative and qualitative traits of Goldasht spring safflower cultivar (Carthamus tinctorius L.) under low irrigation, an experiment as split plot in randomized complete blocks design with three rep More

  In order to study the effect of biological fertilizer application on quantitative and qualitative traits of Goldasht spring safflower cultivar (Carthamus tinctorius L.) under low irrigation, an experiment as split plot in randomized complete blocks design with three replications was conducted in 2012 at the Agricultural Research Station of Islamic Azad University of Roudehen branch . Main plots were irrigation regime treatment consisted of four levels (optimum irrigation, low irrigation at flowering, low irrigation at seed formation, low irrigation at two stages of flowering and seed formation and biological fertilizer treatment as subplot consists of four levels: no biological fertilizer application, application of nitragin, application of seaweed extract and application both of seaweed extract and nitragin, respectively. The results showed that the effect of irrigation regime and biological fertilizer treatments on all traits were significant. The highest  grain yield and yield component losses was observed in low irrigation at two stages of flowering and seed formation and the highest ones was observed in control. Also, between biological fertilizer levels, nitragin with seaweed extract produced the highest yield and yield component and application of nitragin was better than seaweed extract and the lowest treats rates were found in control treatment. In general, in this area and similar areas biological fertilizer can be used in order to reduce the side effects of low irrigation,  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  15 - Compare the Toxicity of Silver Nanoparticles Produced by Biological and Chemical Methods on Artemia franciscana in Naupliar and Adult Stages
  S. Mashjoor M. Alishahi Z. Tulaby Dezfuly
  In this study, the toxicity of silver nanoparticles (AgNPs) and the difference in sensitivities in naupliar and adult stages of Artemia fransiscana, were evaluated to absorption of chemical and biosynthesized by the seaweed Ulva flexuosa, forms of AgNPs. The A. nauplii More

  In this study, the toxicity of silver nanoparticles (AgNPs) and the difference in sensitivities in naupliar and adult stages of Artemia fransiscana, were evaluated to absorption of chemical and biosynthesized by the seaweed Ulva flexuosa, forms of AgNPs. The A. nauplii and adult were exposed to additive serial concentration of biosynthetic and chemical AgNPs. Mortality in each group at the times of 12, 24, 36 and 48 h after exposure to AgNPs were recorded and analyzed via Probit software. The toxicity of these two types of AgNPs on A. nauplii and adult increased in a dose-dependent manner, but also their toxicity increased along with duration of exposure time. The toxicity of nanoparticles were significantly different (P<0.05). Therefore, after 48 h, the LC50 value of chemical AgNPs in the A. nauplii was 31.8 mg/l, while 48 h LC50 for biosynthesis AgNPs was 366.96 mg/l. While the concentration of the chemical AgNPs have assessed in adults artemia during exposure was 47 mg/l and for biosynthesis form of AgNPs was 240 mg/l. The chemical form of AgNPs was more toxic potential than a biosynthetic form of its. The sensitivity of A. nauplii to chemical AgNPs was more than to mature stage, but compared to biosynthesis form was less than adult. This research could be pioneer to the development of biocompatible functionality of nanoparticles with eco-management objectives. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  16 - Effect of seaweed extract and vermicompost on yield and yield components and phosphor and chlorophyll of Mung bean in Varamin region
  Ramila Basimfar Mohammad Nasri Kaveh Zargari
  An experimental trial was conducted In order to evaluate the effect of extracts of seaweed and vermicompost fertilizer on mung bean in the summer 2014 in Varamin. A split plot factorial in a randomized complete block design with three replications was used. Treatments i More

  An experimental trial was conducted In order to evaluate the effect of extracts of seaweed and vermicompost fertilizer on mung bean in the summer 2014 in Varamin. A split plot factorial in a randomized complete block design with three replications was used. Treatments included seaweed extract under the brand Liquid Steamplex, vermicompost fertilizer and mung bean Partoo and a promising line vc6173B. The first factor with 3 levels, without the use of seaweed extract, seaweed extract sprayed 2 times and 4 times during the growing season with a concentration of 2 per thousand, the second factor with 2 levels of no use and the use of vermicompost (10 tons per hectare) and mung bean Partoo variety and a promising line vc6173B was used as the third factor. Simple effects results showed that maximum grain yield obtained with 2 time seaweed spraying, using vermicompost and the Partoo variety with 1553, 1600 and 1573.3 kg h-1 respectively.Highest foliar biomass was produced by 4 times seaweed spraying, using vermicompost treatment and Partoo variety with 6240, 5880 and 5880 kg h-1 respectively. Among the three-way interactions the highest grain yield and biological yield was produced by using four times seaweed spraying with the use of vermicompost in Partoo variety with 1720 and 6960 kg h-1 respectively. According to the results, seaweed extract spraying increased the vegetative growth and the use of vermicompost by creating a favorable conditions, provided a better plant growth. Also Partoo variety had a higher yield.   Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  17 - Effect of Seaweed extract (Basfoliar Kelp sl) and Sulphate (K-leaf) on yield and some yield components of winter rapeseed (Brassica Napus L.) var. Natalie
  Alireza Azarmehr Mehdi Baghi Medi Ziaeinasab
  A field experiment was conducted in 2016 at Damavand county in Tehran province to study the effects of foliar application seaweed extract (Basfoliar Kelp sl) as first factor and foliar sulfur trioxide (K-leaf) as second factor on grain yield, oil content, biological yie More

  A field experiment was conducted in 2016 at Damavand county in Tehran province to study the effects of foliar application seaweed extract (Basfoliar Kelp sl) as first factor and foliar sulfur trioxide (K-leaf) as second factor on grain yield, oil content, biological yield, number of sub shrubs, number of pods on sub shrubs, dry weight, seed 1000 weight and harvest index of winter rapeseed (Brassica napus L.) var. Natalie. This factorial experiment was implemented in a randomized complete block design with three replications and 12 treatments. The foliar sprays was applied thrice (3-5 leaf, stem elongation and an thesis stages) at different concentrations involving 0, 1, 2 and 3 l.ha of seaweed extracts (namely Ecklonia maxima) and 0, 1.5 and 2.5 l/ha sulfur trioxide (So3). Foliar applications of seaweed extract, except harvest index (HI), significantly enhanced the yield, physiologic and morphologic parameters. Also So3 spraying significantly enhanced number of sub shrubs, number of pods on sub shrubs, oil content and grain and biological yields. Interactions between two factors with the application of 3 l/ha seaweed extract as well as 2.5 l.ha sulfur trioxide, affected significantly with making 48.96% grain oil compared to the control (45.95%) on oil content increase (6%) and also 167.6 pods compared to the control (64) on  number of subshrubs pods growth (62%). Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  18 - Effect of seaweed extract application on reducing chromium toxicity in cowpea (Vigna unguiculata L.)
  keyvan esmaeeli omid deghpor reza monem
   In order to investigate the effect of seaweed extract application on the reduction of toxicitydue to heavy metal chromium (Cr) stress in cowpea (cv. Kamran), a pot experiment wasconducted in Shahre rey region in summer 2019. The research was a factorial experiment More

   In order to investigate the effect of seaweed extract application on the reduction of toxicitydue to heavy metal chromium (Cr) stress in cowpea (cv. Kamran), a pot experiment wasconducted in Shahre rey region in summer 2019. The research was a factorial experimentat the basis of completely randomized design with 8 treatments and 3 replications. In thisexperiment, the first factor was Cr stress at two levels including concentrations of 0 and 50mg/kg of Cr from potassium dichromate source (K2Cr2O7) and the second factor was theapplication of seaweed extract (Ascophyllum nodosum) at four levels including noapplication, pre-treatment for 12 hours, two and three stages foliar application at theconcentration of 7 mL/L. According to the results of this study, Cr stress (50 mg/kg)reduced number of pods per plant, number of seeds per pod, 100 seed weight, grain yield,biomass and harvest index. On the other hand, application of seaweed extract improvedthe above traits under Cr stress. In this study, the highest seed yield per plant (38.58 g)was obtained from control treatment with three-stage foliar application of seaweed extractand the lowest grain yield per plant (7.64 g) was recorded in Cr stress conditions with noapplication of seaweed extract. In other words, three-stage foliar application of seaweedextract increased grain yield by 90 and 94% in both non-stress and Cr stress conditions,respectively. Therefore, based on these findings, three-stage foliar application of seaweedextract can be used to improve growth and yield of cowpea under non-stress and Cr stressconditions.  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  19 - Effect of time and amount of seaweed extract on yield and yield components of cotton in saline conditions
  mohamad ardakani mohamad armin abolghasem dadrasi sabzevar
   In order to investigate the effect of foliar application of seaweed extract on yield and yieldcomponents of Cotton under salinity stress, a factorial experiment in a randomizedcomplete block design with three replications was conducted in Sabzevar Agricultural and More

   In order to investigate the effect of foliar application of seaweed extract on yield and yieldcomponents of Cotton under salinity stress, a factorial experiment in a randomizedcomplete block design with three replications was conducted in Sabzevar Agricultural andNatural Resources Research Center in 2017. The experimental factors included applicationrate of seaweed extract at four levels of 0, 2, 4, and 6 ‰ and foliar application time at twolevels at the vegetative and vegetative+flowering stage. The results showed that the timeof seaweed extract application had no effect on the number of sympodial branches, thenumber of bolls, boll weight and grain yield, while foliar application of seaweed extract atvegetative + flowering increased the final height, lint percent, cotton seed yield and fiberyield. Foliar application at a concentration of 6 ‰ of seaweed extracts increased 31.19%in height, 32.19% in sympodial branches, 41.44 in boll, 23.25% in boll weight, 41.43%seed cotton yield, 61.43%, seed yield, 29.66%, fiber yield and 42.34% lint percent, Ingeneral, the results of this experiment showed that two times foliar application of seaweedextract at level 6 per thousand in vegetative and flowering stages were recommended forproducing maximum yield and yield components of cotton under salt stress conditions.  Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  20 - Study on the effect organic and biologic fertilizers on essential oil and some growth characteristic in dill(Anethum graveolens L. )
  Ehsan Nasiroleslami
  AbstractIn order to study the effect of organic and biologic manures on essential oil and some growth characteristic of herb dill (Anethum graveolens L. ) a field experiment was done in the form of factorial in randomized complete block design (RCBD) in research field o More

  AbstractIn order to study the effect of organic and biologic manures on essential oil and some growth characteristic of herb dill (Anethum graveolens L. ) a field experiment was done in the form of factorial in randomized complete block design (RCBD) in research field of Islamic Azad University, college of agriculture and natural resources branch of karaj, Mahdasht,Iran in 2012. The treatments were: A) humic acid with three levels (a1 = none use, a2 = spraying on leaves[3 lit/ha], a3= soluble giving pie plant [6 lit/ha] , B) plant growth-promoting rhizobacteria with two levels (b1= none use, b2= use, C) seaweed extract(c1 = none use, c2 = soluble in irrigation water 1/5 lit/ha).Results illustrated that organic and biologic manures have significant preference in many of studied traits in compared to control. Humic acid had significant effect on essential oil, leaf length and shoot diameter at 1% level of probability. Among the treatments, soluble giving of humic acid pie plant + use of plant growth promoting rhizobacteria and seaweed had the maximum amount of essential oil and leaf length. Consumption of Plant growth promoting rhizobacteria causes increase in pedicel length and leaf length and decrease in MDA content. Maximum amount of pedicel length and root diameter was observed in Consumption of Plant growth promoting rhizobacteria and seaweed and none use of humic acid had treatment. Seaweed extract had significant effect on leaf length and shoot diameter at 1% level of probability. Experimental treatment had no significant effect on root length. Leaf spraying of humic acid and use of Plant growth promoting rhizobacteria and seaweed extract had maximum and minimum amount of root length and MDA content respectively. Overall, results showed that humic acid, plant growth promoting rhizobacteria and seaweed extract had additive effects on studied traits. Manuscript profile