Investigation of Mycorrhizal and Growth Promoting Bacteria Symbiosis on Quantitative and Qualitative indices of Aloe vera

Document Type : Research Paper

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Abstract

The effect of arbuscular mycorrhizal (AM), Species Glomus intraradices and plant growth promoting (PGPR), Species Pseudomonas fluorescens strain41and  Pseudomonas fluorescens strain 187, On the aloe vera plant in a pot experiment under greenhouse conditions was studied. Main objective of this study was to increase nutritional quality in Alo vera by applying biofertilizers are mediated by enhanced antioxidant potentials and secondary metabolite accumulation. The experiment, based on  randomized complete block design with eight treatments and three replication were performed. Treatments consisted of: 1- Control plants. 2- inoculation with the intradices.3- Inoculated with Pseudomonas strains 41. 4- Inoculated with Pseudomonas strains 181. 5- Combining intradices and Pseudomonas strains 41. 6- Combining intradices and Pseudomonas strains 187. 7- Combining the two strains of Pseudomonas. 8- Combining the two strains of Pseudomonas and intradices. Statistical analysis of the data showed that microorganisms were used in this study,  had significant effect on indicators such as fresh and dry weight, root dry weight, root volume, leaf uptake NPK, chlorophyll content, total phenol, flavonoids and antioxidant activity of Aloe vera. The  results of this study showed that combination  application of arbuscular mycorrhiza and plant growth-promoting bacteria is more effective than their own on physiological and morphological characteristics of the aloe vera plant.

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References

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Iranian Journal of Seed Sciences and Research
Volume 2, Issue 2
October 2015
Pages 61-70

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