Application of Pseudomonas Flourescens bacteria and two species of AM fungi on water deficit tolerance of Arizona cypress seedlings (Cupressus arizonica G)

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Aalipour Hamed; NIKBAKHT ALI; REJALI FARHAD; SOLEIMANI MOHSEN

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2019 | Volume:8 | Issue:32 Page(s): 391-406

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Title

Application of Pseudomonas Flourescens bacteria and two species of AM fungi on water deficit tolerance of Arizona cypress seedlings (Cupressus arizonica G)

Author(s)

Aalipour Hamed | NIKBAKHT ALI | REJALI FARHAD | SOLEIMANI MOHSEN | Issue Writer Certificate

Keywords

ConifersQ2

Plant growth promoting rhizobacteriaQ2

SymbiosisQ1

Useful microorganismsQ1

Water stressQ2

Abstract

Trees in greenbelts always lose their vitality for various reasons, and decline or dieback are experiencing. One of the factors that can affect the decline of trees is drought stress. This study was conducted to evaluate the effects of inoculation with mycorrhizal fungi (Rhizophagus intraradices and Funneliformis mosseae inoculated, and the combination of both species) and growth promoting bacteria; Pseudomonas Flourescens on growth responses of Cupressus arizonica in experiencing stress induced by a water deficit as a factorial experiment based on completely randomized design, with 3 replications. In this study, the Interactions between fungi, bacteria and deficit irrigation on the concentration of phosphorus and iron, ion leakage, proline content and shoot dry weigh were significant. Under deficit irrigation most of the treatments such as colonization rate (by 39%), phosphorus (by 33%), potassium (by 16%) and iron (by 25%) cocentration, relative water content (by 25%), chlorophyll content (by 76%), height (by 29%), shoot dry weight (by 41%) and the Cupressus vitality (by 35%) decreased; on the contrary, the percentage of electrolyt leakage (by 36%) and proline content (by 122%) increased. Morever, inoculation with mycorrhizal fungus increased the concentration of phosphorus and iron, relative water content, chlorophyll content, height, shoot dry weight but reduced ion leakage and proline content and led to improvement of plants growth and vitality. The presence of Pseudomonas alone did not have a significant role in improving the growth of plants under Water stress conditions, but its interaction with mycorrhizal fungus showed positive effects. In general, the results of this experiment showed that inoculation of cupressus plant with mycorrhizal fungus with the use of P. florescent bacteria can have a positive effect on the survival of this plant under Water stress conditions.

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APA: Copy

Aalipour, Hamed, NIKBAKHT, ALI, REJALI, FARHAD, & SOLEIMANI, MOHSEN. (2019). Application of Pseudomonas Flourescens bacteria and two species of AM fungi on water deficit tolerance of Arizona cypress seedlings (Cupressus arizonica G). JOURNAL OF PLANT PROCESS AND FUNCTION, 8(32 ), 391-406. SID. https://sid.ir/paper/371020/en

Vancouver: Copy

Aalipour Hamed, NIKBAKHT ALI, REJALI FARHAD, SOLEIMANI MOHSEN. Application of Pseudomonas Flourescens bacteria and two species of AM fungi on water deficit tolerance of Arizona cypress seedlings (Cupressus arizonica G). JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2019;8(32 ):391-406. Available from: https://sid.ir/paper/371020/en

IEEE: Copy

Hamed Aalipour, ALI NIKBAKHT, FARHAD REJALI, and MOHSEN SOLEIMANI, “Application of Pseudomonas Flourescens bacteria and two species of AM fungi on water deficit tolerance of Arizona cypress seedlings (Cupressus arizonica G),” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 8, no. 32 , pp. 391–406, 2019, [Online]. Available: https://sid.ir/paper/371020/en

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