• فهرست مقالات Alstroemeria

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        1 - بررسی ویژگی‌های مورفوفیزیولوژیک و عمر گلجایی آلسترومریا (Alstromeria spp.) با کاربرد اسید سالیسیلیک در پس از برداشت
        مهناز قنبری الهام دانائی
        این تحقیق به منظور افزایش کیفیت و طول عمر پس از برداشت گل‌های شاخه بریده آلسترومریا طراحی و انجام شد. در این بررسی از تیمار کوتاه مدت اسید سالیسیلیک در سه سطح 50، 100 و 150 میلی‌گرم در لیتر و سپس محلول نگهدارنده نانو ذرات نقره 2 میلی‌گرم در لیتر به همراه ساکارز 3 درصد ا چکیده کامل
        این تحقیق به منظور افزایش کیفیت و طول عمر پس از برداشت گل‌های شاخه بریده آلسترومریا طراحی و انجام شد. در این بررسی از تیمار کوتاه مدت اسید سالیسیلیک در سه سطح 50، 100 و 150 میلی‌گرم در لیتر و سپس محلول نگهدارنده نانو ذرات نقره 2 میلی‌گرم در لیتر به همراه ساکارز 3 درصد استفاده شد. آب مقطر و نانو ذرات نقره به همراه ساکارز به عنوان شاهد، بود. این آزمایش بصورت فاکتوریل در قالب طرح آماری کاملاً تصادفی با 5 تیمار و 3 تکرار (هر تیمار شامل 5 شاخه گل بریده آلسترومریا) انجام شد. نمونه‌برداری و اندازه‌گیری صفات مورد نظر در روزهای شروع آزمایش، 5، 10 و 15 صورت گرفت. نتایج نشان داد که بیشترین وزن تر نسبی، میزان جذب محلول، درصد شاخص ثبات غشاء سلول و عمر گلجایی گل‌های شاخه بریده آلسترومریا در تیمار اسید سالیسیلیک 150+ نانو ذرات نقره+ ساکارز بود. بیشترین میزان مواد جامد محلول، محتوای آنتوسیانین و کلروفیل کل در تیمار اسید سالیسیلیک 100+ نانو ذرات نقره+ ساکارز بدست آمد. لذا می‌توان غلظت‌های 100 و 150 میلی‌گرم در لیتر اسید سالیسیلیک به همراه نانو ذرات 2 میلی‌گرم در لیتر و ساکارز 3 درصد را برای بهبود ویژگی‌های مورفوفیزیولوژیک و عمر گلجایی آلسترومریا توصیه نمود. پرونده مقاله
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        2 - Screening Eight Cultivars of <i>Alstroemeria</i> Cut Flower for Vase Life and Biochemical Traits
        Sahar Naghiloo Ali Soleimani Vali Rabiei Ahmad Khalighi Mohammadtaher Harakinejad
        Alstroemeria is one of the most popular cut flowers in European Union owing to its postharvest longevity and broad color spectra. Nevertheless, premature wilting decreases the esthetic value of flowering branches even before the opening of the secondary florets in the f چکیده کامل
        Alstroemeria is one of the most popular cut flowers in European Union owing to its postharvest longevity and broad color spectra. Nevertheless, premature wilting decreases the esthetic value of flowering branches even before the opening of the secondary florets in the fluorescence. The present study evaluated different biochemical and morphological traits of Alstroemeria cut flowers in order to screen the longevity of eight cultivars of Alstroemeria cut flowers including (Topaz, Chicago, Mayfair, Onyx, Frosty, Bellevue, Samantha, and Dimension). Traits such as longevity, wilting, water uptake, chlorophyll content, total soluble solids, relative water content, catalase activity, peroxidase activity, and protein content were evaluated. Data were subjected to the statistical and cluster analysis. The results showed that Mayfair and Frosty cultivars have the greatest distance from another. Mayfair had the lowest longevity. Frosty exhibited the most significant difference and was the most different cultivar from other cultivars in terms of biochemical traits, so that it was clustered in a separate group. As a result, two cultivars with the longest and the shortest longevity was determined. Maximum peroxidase activity was related to Frosty, differing significantly from that of Mayfair. پرونده مقاله
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        3 - The Effect of Dill and Cumin Essential Oils on Physiological and Microbiological Traits of Cut Alstroemeria ( <i>Alstroemeria hybrida</i>)
        Motahareh Ershad Langroudi Davood Hashemabadi Sepideh Kalateh Jari Leila Asadpour
        Alstroemeria (Alstroemeria hybrida) is one of the most important cut flowers in the world. The aim of this study is investigating on the effect of dill and cumin essential oils on physiological and microbiological traits of alstroemeria cut flowers. Hydro-distillation m چکیده کامل
        Alstroemeria (Alstroemeria hybrida) is one of the most important cut flowers in the world. The aim of this study is investigating on the effect of dill and cumin essential oils on physiological and microbiological traits of alstroemeria cut flowers. Hydro-distillation method and GC isolated the essential oils of seed and GC/MS examined the chemical compositions of the samples. This experiment carried out as factorial based on completely randomized design with two factors of essential oils of dill and cumin (50 and 100 ppm). The second factor was used of methods (pre-harvest, post-harvest). The results showed that the dill essential oil treatment (100 ppm) in pre-harvest was the best treatment for all known traits. 11 colonies of bacteria were identified in stem end of cut alstroemeria flowers; which are E-coli, Enterobacter, Klebsiella, Proteus, Serratia, Citrobacter, Pseudomonas, Staphylococcus aureus, Streptococcus, Bacillus cereus and Actinomycetes. Due to the positive impact of dill essential oil (100 ppm) in the pre-harvest method in improving traits associated with vase life of cut alstroemeria flowers, these treatments are recommended. پرونده مقاله
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        4 - Improvement Postharvest Quality of Cut Alstroemeria (<i>Alstroemeria hybrida<i>) by Stem-End Splitting and Ethanol
        Nastaran Sadeghi Hafshejani Davood Hashemabadi
        For the improvement the postharvest longevity of cut alstroemeria (Alstroemeria hybrida L.), a factorial experiment was carried out based on RCD with 2 factors of stem end splitting at two levels (5 cm splitting and without splitting) and ethanol at five levels (0, 1, 2 چکیده کامل
        For the improvement the postharvest longevity of cut alstroemeria (Alstroemeria hybrida L.), a factorial experiment was carried out based on RCD with 2 factors of stem end splitting at two levels (5 cm splitting and without splitting) and ethanol at five levels (0, 1, 2, 4 and 6%), 10 treatments, 3 replications and 30 plots. In this experiment, the estimated traits included vase life, water absorbtion, fresh weight, dry matter percent, ethylene, petal anthocyanin, electrolyte leakage and lipid peroxidation (MDA). ANOVA showed significant differences among treatments for vase life, water absorbtion, dry matter percent and electrolyte leakage at the 5% probability level and for other traits at the 1% probability level. Results showed that different treatments improved vase life as compared to control and maximum vase life of 19.77 days was achieved under the treatment of ethanol 1% + with 5 cm splitting compared to control (11.09 days). پرونده مقاله
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        5 - The Effect of Natural Essential Oil Carvacrol and Some Growth Regulators on Vase Life of Cut Flowers of Alstroemeria cv. Bridal
        Azam Isapareh Abdollah Hatamzadeh Mahmood Ghasemnezhad
        The abscission of Alstroemeria petals is the serious problem at the industry of cut flowers of this plant. In this study, cut Alstroemeria cv. Bridal flowers were pulsed with solutions containing natural essential oil carvacrol, gibberellic acid and benzyladenine (50 an چکیده کامل
        The abscission of Alstroemeria petals is the serious problem at the industry of cut flowers of this plant. In this study, cut Alstroemeria cv. Bridal flowers were pulsed with solutions containing natural essential oil carvacrol, gibberellic acid and benzyladenine (50 and 100 mg L-1), -5-sulfosalicylic acid (1 and 1.5 mM) and sucrose (5 and 10%) for 24 hours. The distilled water was used as control. After treatment, the flowers were placed in distilled water, and maintained at temperature of 22&plusmn;2oC, 70&plusmn;5% relative humidity, and 15 mmol m-2 s-1 light intensity 12 hours per day. The results showed that 50 and 100 mg L-1 gibberellic acid could significantly delay flower senescence with 3.33 and 3 days, respectively as compared to the other treatments. The highest petal anthocyanin content was found at gibberellic acid (50 and 100 mg L-1), benzyladenine (100 mg L-1) and 5-sulfosalicylic acid (1.5 mM) than other treatments. Conversely, lipid peroxidation content and catalase enzyme activity was lower in these treatments as compared to the control. The protein content of gibberellic acid (50 and 100 mg L-1) pulse treated flowers was higher than other treatments. In contrast, the flowers treated with 100 mg L-1 gibberellic acid showed the lowest peroxidase enzyme activity. Overall, the vase life of Alstroemeria cut flowers cv. Bridal increased in both gibberellic acid treatments (50 and 100 mg L-1) than other studied solutions. پرونده مقاله
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        6 - Effect of Thidiazuron and Salicylic Acid on the Vase Life and Quality of Alstroemeria (Alstroemeria hybrida L .cv. Modena) Cut Flower
        Zahra Bagheri Tirtashi Davood Hashemabadi Behzad Kaviani Ameneh Sajjadi Maryam Jadidsolymandarabi
        In this research, the effects of thidiazuron pulse treatment and salicylic acid were examined to improve vase life and maintain the quality of Alstroemeria ҅Modena҆ cut flowers. The experiment was done in a factorial experiment based on RCD with 16 treatments, 3 replica چکیده کامل
        In this research, the effects of thidiazuron pulse treatment and salicylic acid were examined to improve vase life and maintain the quality of Alstroemeria ҅Modena҆ cut flowers. The experiment was done in a factorial experiment based on RCD with 16 treatments, 3 replications and 48 plots. The flowers were placed in different concentrations of thidiazuron (0, 10, 20, and 50 &mu;M) and salicylic acid (0, 100, 200, and 300 mg l-1) for 24 hours. Then cut flowers were put in a preservative solution containing 3% sucrose and 300 mg l-1 8-HQS.Then, vase life and quality traits such as fresh weight, dry weight, water uptake, amount of soluble solids (˚brix) and cell membrane stability (electrolyte leakage) were evaluated during examination. The results showed that the concentration of 200 mg l-1 salicylic acid, has the highest water uptake and lowest reduction of fresh weight in comparison with the other treatments. In all treatments except for the control, dry weight and soluble solids increased.Also, 20 &mu;M thidiazuron and 100 mg l-1 salicylic acid showed the greatest stability of the cell membrane compared to the control treatment. Finally, 20 &mu;M thidiazuron and 200 mg l-1 salicylic acid with the highest vase life of cut alstroemeria ҅Modena҆ compared to the other treatments is recommended to extend the vase life. پرونده مقاله
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        7 - The Effect of Cola on Postharvest Physiological Characteristics of Cut Alstroemeria
        Mehrdad Babarabie Hossein Zareie Feryal Varasteh
        The present study has assessed the effect of Cola in increasing flower longevity of flower and delaying aging of cut Alstroemeria &lsquo;Balance&rsquo;. Distilled water was used as control. Traits of flower diameter, solution absorption ,anthocyanins, total soluble soli چکیده کامل
        The present study has assessed the effect of Cola in increasing flower longevity of flower and delaying aging of cut Alstroemeria &lsquo;Balance&rsquo;. Distilled water was used as control. Traits of flower diameter, solution absorption ,anthocyanins, total soluble solids and chlorophyll were measured at 3 times and vase life was measured daily. Based on the results, flower diameter, anthocyanins and chlorophyll were significant at 1% level and solution absorption was significant at 5% level. The highest flower longevity was related to concentration 500 ml L-1 Cola with 16 days, while the control was 9 days. The highest solution absorption rate belonged to 250 ml L-1 treatment of Cola. Cola concentration of 375 ml L-1 had the greatest flower diameter and chlorophyll. According to the results of means comparison, amount of anthocyanin in different concentrations of Cola was the same. In general, Cola delayed aging Alstroemeria flowers due to having compounds such as citric acid, phosphoric acid, sugar,sodium benzoate, etc., and by providing flowers with required carbohydrates and antimicrobial effect. پرونده مقاله
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        8 - The Effect of Gibberellic Acid and Stratification on Germination of Alstroemeria (Alstroemeria ligtu hybrid) Seed In Vitro and In Vivo Conditions
        Fardin Nasri Nasser Ghaderi Jaafar Mohammadi Seyed Najmedin Mortazavi Mahmood Koshesh Saba
        The dormancy characteristics and optimum conditions for seed germination of Alstroemeria ligtu had not been explained. In vitro and in vivo alstroemeria (A. ligtu hybrid) seed germination tests were conducted in a Randomized Completely Design at two different treatments چکیده کامل
        The dormancy characteristics and optimum conditions for seed germination of Alstroemeria ligtu had not been explained. In vitro and in vivo alstroemeria (A. ligtu hybrid) seed germination tests were conducted in a Randomized Completely Design at two different treatments (gibberellic acid (GA3) 0, 100, 200 and 400 mg/l with and without stratification in 5&plusmn;1oC) in four replications. Seeds were planted in the soil mixture (peat/sand/perlite 1:1:1) or 1.2 MS media (1% sucrose, 0.7% agar and pH to 5.8). After 3-weeks keeping in the stratification conditions, transferred to the growth chamber (21oC and 16h photoperiod). Shoot and root length, number of root and leaf, root and shoot fresh and dry weight, seed germination percentage, germination rate and mean germination time were recorded during experiment. Stratification had a significant effect on seed germination (p&lt;0.05). Soaking for 24 h in 100 mg/l GA3 supplemented with stratification under in vitro and in vivo conditions increased germination up to 76.67% and 70.00%, respectively. Mean germination time (MGT) decreased with duration of stratification and concentration of GA3. Seeds treated with 100 mg.l-1 GA3 plus 21 days of stratification produced the seedlings with the higher number of leaf, length of shoot, shoot and root dry weight in both In vivo and in vitro conditions. Non-stratified seeds without GA3 application fail to germinate, whereas seeds chilled for 21 days had 36.6%, 40.0% germination under in vivo and in vitro, respectively. Stratification was successful in breaking seed dormancy; stratification at 5&plusmn;1oC for 21 days or 100 mg/l GA3+21 days of stratification overcame seed dormancy and increased the germination percentage of A.ligtu hybrid seeds. Thus, seeds of A.ligtu hybrid species probably exhibit a combination of physiological dormancy. In general, In vivo germination rates were lower than in vitro rates. پرونده مقاله
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        9 - Potential of Increasing the Vase Life and Improvement of some Physiological Characteristics of Alstroemeria Cut Flowers by Using Non-Harmful Compounds Environmentally
        Mehrdad Babarabie Hossein Zarei Feryal Varasteh
        In this study, the concentrations of 25, 375 and 500 ml L-1 of Cola+ 2000 mg L-1 of peppermint essence and concentrations of 30, 45 and 60 ml L-1 of apple extract +2000 mg L-1 rosemary essence on Alstroemeria cut flowers (Cv. balance) were investigated to verify the use چکیده کامل
        In this study, the concentrations of 25, 375 and 500 ml L-1 of Cola+ 2000 mg L-1 of peppermint essence and concentrations of 30, 45 and 60 ml L-1 of apple extract +2000 mg L-1 rosemary essence on Alstroemeria cut flowers (Cv. balance) were investigated to verify the use of natural ingredients in flowers preservative solutions. This experiment was conducted in the laboratory of Gorgan University of Agricultural Sciences and Natural Resources, in 2014. Results showed that the interaction of cola with peppermint essence and apple extract with rosemary essence at above concentrations increase the vase life of flower, flower diameter and anthocyanin at significantly level of %1. The highest amount of vase life was related to concentration of 500 ml L-1 of cola (15 days), while vase life in control treatment (distilled water) was 9 days. The highest flower diameter was recorded in apple extract (45 ml L-1) + Rosemary essence (2000 mg L-1). The highest amount of anthocyanin was obtained in cola treatments of 500 ml L-1+ essence of peppermint, 30 and 45 ml L-1 of apple extract+ rosemary essence. Besides, flowers treated by 375 ml L-1 of cola + peppermint essence had the highest chlorophyll content. Generally, the results showed that treatments used in this experiment, as accessible compounds are healthy and non-hazardous for the environment, appropriate to increase the vase life of Alstroemeria cut flowers. پرونده مقاله