بررسی تأثیر باکتری Pseudomonas putida و قارچ Glomus intraradices بر برخی صفات مورفولوژی و بیوشیمیایی گیاه شنبلیله L). Trigonella foenum-graecum)

نوع مقاله : مقالات پژوهشی


دانشگاه فردوسی مشهد


شنبیله L).Trigonella foenum-graecum ) یک گیاه دارویی قدیمی متعلق به خانواده لگوم ها (Fabaceae) است. باکتری های محرک رشد، رشد گیاه را از طریق مکانیزم هایی مثل بهبود جذب عناصر معدنی و تولید فیتوهورمون ها افزایش می دهند. بعلاوه اثر مفید بعضی از این باکتری ها می‌تواند به علت برهم کنش با قارچ های ویزیکولار آرباسکولار میکوریز باشد. آزمایش با چهار تیمار (فاکتور اول) شامل تلقیح بذر با باکتری Pseudomonas putida، تلقیح با قارچ آرباسکولار میکوریز Glomus intraradices، تلقیح مضاعف باکتری و قارچ میکوریز و شاهد در دو سطح تنش خشکی (فاکتور دوم) 40 درصد ظرفیت زراعی و بدون تنش (80 در صد ظرفیت زراعی) بصورت فاکتوریل در قالب طرح کاملاً تصادفی با سه تکرار در اتاقک رشد آزمایشگاه فیزیولوژی گیاهی دانشگاه فردوسی مشهد انجام شد. صفاتی مانند بیوماس گیاه، مقدار پروتئین های محلول، محتوای ماده‌ی دارویی دیوزژنین و مقدار فسفر گیاه اندازه گیری و مورد بررسی قرار گرفتند. تجزیه واریانس داده ها نشان داد که تیمار گیاه شنبلیله با باکتری و قارچ آرباسکولار میکوریز، باعث افزایش صفات مورد بررسی در شرایط تنش خشکی می شود. باکتری Pseudomonas putida و قارچ آرباسکولار میکوریز Glomus intraradices از طریق افزایش میزان جذب عناصر غذایی، حفظ و نگهداری آب باعث افزایش بیوماس، مقدار پروتئین محلول و مقدار ماده دارویی دیوزژنین می شود. از آنجایی که دیوزژنین یک ترکیب دارویی بسیار مهم است می توان از طریق برقراری رابطه همزیستی گیاه شنبلیله با باکتری و قارچ آرباسکولار میکوریز مذکور تولید دیوزژنین را در گیاه افزایش داد.


عنوان مقاله [English]

Effects of Pseudomonas putida and Glomusintraradices Inoculations on Morphological and Biochemical Traitsin Trigonellafoenum-graecum L.

نویسندگان [English]

  • simin irankhah
  • Ali Ganjeali
  • Mehrdad Lahouti
  • Mansour mashreghi
ferdowsi university of mashhad
چکیده [English]

Introduction: Fenugreek (Trigonellafoenum-graecum L.) is a traditional medicinal plant belonging to the legume family Fabaceae. Diverse groups of microorganisms are symbiotic with Fenugreek roots system. This integration leads to significant increases in the development and production by increasing nitrogen fixation, phytohormones production, siderophores and phosphate solubilization. Plant growth-promoting bacteria increase plant growth byimproving nutrientuptake and phytohormones production. In addition, the beneficial effect of these bacteria could be due totheirinteractionwithArbuscularMycorrhizal fungi(VAM). Drought is one of the major limiting factors for crop production in many parts of the world including Iran. Symbiotic microorganisms can enhance plant tolerance to drought. This experiment was carried out to investigate the effect of Vesicular ArbuscularMycorrhiza (VAM) and Plant Growth Promoting Rhizobacteria (PGPR) on morphological and biochemical characteristics of Fenugreek in drought stress conditions.
Materials and Methods: The experiment was carried out in completely random design with 3 replications.There were four treatments including inoculation with Pseudomonas putida, inoculation with Glomusintraradices, combined association of Pseudomonas putida and Glomusintraradices and untreated as a check under drought stress (40% of field capacity) and non-stress conditions (80% of field capacity). In this experiment fiveseeds were sowninplastic pots. Before sowing, seeds were inoculated with microorganisms. In order to inoculation ofseed with Mycorrhizal fungi, for each kilogram of soil, 100 grams of powder containing 10 to 15 thousand spores of fungal soil (produced by the biotech company Toos) was added to three centimeters of soil in the pot. For seed inoculation with Plant Growth Promoting Rhizobacteria, the growth curve of the bacteria was drawn at first and then the best time for the growth of bacteria was determined. The bacteria at the best time and at a dilution of 0.5 McFarland was added to the seed.Pots were placed in a growth chamber (with a temperature of 25 ° C and 16 hours of light and 8 hours of darkness photoperiod).After ten days of planting, the water treatment was applied and continued until the end of the experiment.
Results and Discussion:The results showed that the use of co -inoculation treatment ofP.putidaandG.intraradicesand application of G.intraradices aloneat non-stress conditions did not make a significant difference on the amount of plant biomass. In drought conditions, application of G.intraradice alone had significant difference (P≤0.05) compare with control (no inoculation microorganisms) for biomass.In stress conditions, P.putida inoculation and also in combination with G.intraradicesincreased biomass in compare with control (no inoculation of micro-organisms), but this increasing was not statistically significant.VAMare important ecological symbiotic with roots are important component of the ecosystem and affect the absorption of minerals through the roots. The results of the present study showed that the amount of phosphorus in all of treatments was increased and the greatest increase was related to G.intraradicetreatment.The results also showed that drought stress increased the leaf soluble proteins in compared with non-stress condition. Increasing the concentration of soluble proteins under drought stress can be related to increased protein synthesis that maybe related to adaptation and reprogramming under new situation and itprotect the cells against stress. The results showed that the use of co -inoculation treatment ofP.putidaand G.intraradices, as well as each individual treatment, increased the amount of soluble proteins in leaves.In the case of the Diosgenin percentage, drought stress reduced the amount of Diosgenin percentage. Underdrought stress conditions, use of co -inoculation treatment ofP.putidaand G.intraradicesand application of G.intraradicewithout presence of bacteria made a significant increase in plant Diosgenin concentration.
Conclusion: Theresults revealed that seed treatment with Pseudomonas putida and Glomusintraradices increased the biomass, protein content, phosphorus uptake and diosgenin percent in Fenugreek under drought stress condition. Since Diosgenin is very important medicinal compound, inoculation of fenugreek with these microorganisms can be a way to increase the Diosgenin production.

کلیدواژه‌ها [English]

  • Diosgenin
  • Drought stress
  • Fenugreek
  • Mycorrhizal fungi
  • Plant growth-promoting bacteria
- Acharya S.N., Thomas J.E., and Basu S.K. 2008. Fenugreek an alternative crop for semiarid region of North America, Crop science, 48: 841- 853.
- Aroca R. 2012. Plant responses to drought stress from morphological to molecular features, Springer Heidelberg, New York Dordrecht, London.
- Artusson V., Rojer D., and Janet Jansson K. 2006. Interaction between arbuscularmycorrhizal fungi and bacteria and their potential for stimulating plant growth, Enviromental Microbiology, 8:1-10.
- Baccou J.C., Lambert F., Sanvaire Y. 1997. Spectrophotometric method for the determination of total steroidal sapogenin, Analyst, 102: 458-466.
- Bashinu C., Zeev W. 2005.Variation in diosgenin level in seed kernels among different provenances of Balanitesaegyptiaca Del (Zygophyllaceae) and its correlation with oil content, American Journal of Botany, 4:1209-1213.
- Bradford M. 1976. A rapid and sensitive method for the quantification of microgram quantities of protein utilizing the principle of protein-dye binding, Analytical Biochemistry, 72:248-258.
- Chap man H.D., Pratt P. F. 1982. Method of analysis for soil, plants and water. Chapman publisher: Riverside, CA.
- Farooq M., Basra S.M.A., Wahid A., Ahmad N., Saleem B.A. 2009. Improving the drought tolerance in rice (Oryza sativa L.) by exogenous application of salicylic acid, Journal of Agronomy and Crop Science, 195:237–246.
- Hamashenpagam N., Selvaraj T. 2011. Effect of arbuscular mycorrhizal (AM) fungus and plant growth promoting rhizomicroorganisms (PGPR’s) on medicinal plant Solanumviarum seedlings, Journal of Enveriromental Biology, 32-57.
- Krishna K.R., Bagyaraj D.J. 1984. Growth and nutrient uptake of peanut inoculated with the mycorrhizalfungus Glomus fasciculatum. Compared with own inoculated ones, Plant Soil, 77:405-408.
- Lenin M., Selvakumar G., Thamiziniyan P., Rajendiran R. 2010. Growth and Biochemical Changes of Vegetable Seedlings Induced by Arbuscularmycorrhizal Fungus, Journal of Environmental Studies and Sciences, 1: 27-31.
- Li D., Li C., Sun H.,Wang W., Liu L., Zhang Y. 2010. Effect of drought on soluble protein content and projective enzyme system in cotton leaves, Frontiers of Agriculture in China, 4: 56-62.
- Li P., Mou Y., Lu S., Sun W., Lou J., Yin C., Zhou L. 2012. Quantitative determination of diosgenin in Dioscorea zingiberensis cell cultures by microplate-spectrophotometry and high-performance liquid chromatography, African Journal of Pharmacy and Pharmacology, 6: 1186 – 1193.
- Najaphy A., Niari Khamssi N., Mostafaie A., Mirzaee H. 2010. Effect of progressive water deficient stress on proline accumulation and protein profiles of leaves in chickpea, American Journal of Botany: 7033-7036.
- Neeraj singh. K. 2011.Organic amendments to soil inoculated arbuscular mycorrhizal fungi and Pseudomonas fluorescens treatments reduce the development of root-rotdisease and enhance the yield of Phaseolus vulgaris L, European Journal of Soil Biology, 47: 288-295.
- Nell M. 2009. Effect of the arbuscularmycorrhiza on biomass productionand accumulation of pharmacologically active compounds in medicinal plants. University of Natural Resources and Applied Life Sciences Vienna, Department of Applied Plant Sciences and Plant Biotechnology, Institute of Plant Protection, Vienna.
- Paul A.K., Arundhati P. 2014. Phytosphere Microbiology and Antimiccrobial Efficacy Trigonella Foenum-graecum L, American Journal of Soil issue and Humanitie, 50-67.
- Rabie G. H., Abdoul-Nasar M. B., Al-Huminary A. 2005. Increase salinity tolerance of coepea plant by dual inoculation of fungus GlomusClarum and nitrogen-fixer Azospirillum brasilinse, Mycrobiology, 33:51-61.
- Requene N., Jimenez I., Toro M., Barea J. M.1997. Interactions between plant-growth promoting rhizobacteria (PGPR), arbuscularmycorrhizal fungi and Rhizobium spp. in the rhizosphere of Anthyllis cytisoides, a model legume for revegetation in Mediterranean semi-arid ecosystem, New Phytol,136: 667-677.
- Selvaraj T., Rajeshkumar S., Nisha M. C., Wondimu L., and Mitiku T. 2008. Effect of Glomus mosseae and plant growth promotingrhizomicroorganisms (PGPR’s) on growth, Nutrients and content ofsecondary metabolites in Begonia malabarica Lam, Maejo International Journal of science and technology, 2: 516-525.
- Sikuku P.A., Netondo G.W., Onyang J.C., Musyimi D.M. 2010. Effect of water deficit on physiology and morphology of tree varieties of NERICA rainfed rice (Oryza sativa L.), ARPN journal of Agricultural and Biological Science, 5: 23-28.
- Srinivasan K. 2006. Fenugreek (Trigonellafoenum-graecum): A review of health beneficial physiologica effects, Food Reviews International, 22: 203-224.
- Uematsu Y., Hirata K., Saito K. 2000. Spectrophotometric Determination of Saponin in Yucca Extract Used as Food Additive, Journal of the Association of Official Analytical Chemists, 83: 1451-1454.
- Zubek S., Mielcarek S., Turnau K. 2012. Hypercin and pseudohypercin concentration of a valuable medicinal plant HypericumperforatumL. are enhanced by arbuscular mycorrhizal fungi, Mycorrhiza, 22: 149-156.