EFFECT OF PGPRS ON AGRONOMIC AND PHYSIOLOGICAL CHARACTERISTICS OF TWO WHEAT CULTIVARS UNDER RAINFED CONDITION

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ANSARI M.H.; HASHEMABADI D.; YADEGARI M.

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Journal: Plant Productions Year:2017 | Volume:40 | Issue:2 Page(s): 75-88

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Title

EFFECT OF PGPRS ON AGRONOMIC AND PHYSIOLOGICAL CHARACTERISTICS OF TWO WHEAT CULTIVARS UNDER RAINFED CONDITION

Author(s)

ANSARI M.H. | HASHEMABADI D. | YADEGARI M. | Issue Writer Certificate

Keywords

CHLOROPHYLLQ3

MOQUAN REGIONQ2

PROTEIN CARBONILQ2

SEED YIELDQ2

SOLUBLE SUGARQ1

Abstract

Background and Objectives: Wheat (Triticum aestivum L.) may be exposed to different stress conditions that influence its productivity. One way to confer tolerance to the drought's effects and stimulate plant productivity is the action of a group of bacteria capable of making association with plants, known as Plant Growth Promoter Rhizobacteria (PGPR). It was demonstrated that the PGPR can benefit the plants in several ways: synthesizing some phytohormones, siderophores, biological nitrogen fixation, inducing systemic resistance etc. The objective of this work was to evaluate the physiological responses of two wheat cultivars to PGPR under rain fed conditions.Material and Methods: To evaluate the effect of PGPRs on physiological characteristics of two wheat cultivars a factorial experiment in a randomized complete block design with three replications was carried out under rainfed conditions in Germi region. Experimental factors included two wheat cultivars (Atila and Zagros) and five bacteria (Pseudomonas putida strain R168, R159, R112, Azosprillium lipoferumstrain A21 and Azotobacter chroococcum strain E5) as well as a control treatment. The parameters measured included: Carbonil Protein, CHLOROPHYLL, SOLUBLE SUGAR, Cell Membrane Stability, tillers in shoot, 1000-grain weight, grains number per spike, Shoot dry weight and gain yield.Results: Results showed that the highest amount of CHLOROPHYLL and SOLUBLE SUGAR in leaf in Zagros cultivar was obtained from bacteria Pseudomonas strains R159 and Azotobacter, respectively, but in Attila cultivar Pseudomonas strains R112 showed the highest CHLOROPHYLL and leaf sugar. Most of the membrane stability and the highest amount of PROTEIN CARBONIL was obtained from Pseudomonas strains R112 and control, respectively. In the Zagros cultivar, the Pseudomonas bacteria, with 3130 kg/ha SEED YIELD than other bacteria were superior and also showed the highest 1000 seed weight but in Attila cultivar although bacterial treatments had a higher SEED YIELD than control, but no significant difference was observed between Azosprillium with R112 and R159 strains.Discussions: The amounts of Cell Membrane Stability, grain number per spike, tillers in shoot, 1000-grain weight and shoot dry weigh increased in the presence of PGPRs for both cultivars, probably by action of ACC deaminase activity. The CHLOROPHYLL and SOLUBLE SUGAR increased in the presence of PGPRs comparing controls for both cultivars. The PROTEIN CARBONIL was fewer only when bacteria were present compared to controls. It is possible to conclude that the association of Pseudomonas putidastrains R112 is more effective and indicates the reduction of ethylene. These data corroborate with the literature where plant vs. bacteria interaction is genotype and strain dependent. Finally, Zagros cultivar showed better response to bacterial inoculotion and for rainfed conditoin of Germi area cultivation of Zagros cultivar as well as bacteria Pseudomonas strains R112 inoculation is recommended for maximum SEED YIELD.

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APA: Copy

ANSARI, M.H., HASHEMABADI, D., & YADEGARI, M.. (2017). EFFECT OF PGPRS ON AGRONOMIC AND PHYSIOLOGICAL CHARACTERISTICS OF TWO WHEAT CULTIVARS UNDER RAINFED CONDITION. THE PLANT PRODUCTION (SCIENTIFIC JOURNAL OF AGRICULTURE), 40(2 ), 75-88. SID. https://sid.ir/paper/165192/en

Vancouver: Copy

ANSARI M.H., HASHEMABADI D., YADEGARI M.. EFFECT OF PGPRS ON AGRONOMIC AND PHYSIOLOGICAL CHARACTERISTICS OF TWO WHEAT CULTIVARS UNDER RAINFED CONDITION. THE PLANT PRODUCTION (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2017;40(2 ):75-88. Available from: https://sid.ir/paper/165192/en

IEEE: Copy

M.H. ANSARI, D. HASHEMABADI, and M. YADEGARI, “EFFECT OF PGPRS ON AGRONOMIC AND PHYSIOLOGICAL CHARACTERISTICS OF TWO WHEAT CULTIVARS UNDER RAINFED CONDITION,” THE PLANT PRODUCTION (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 40, no. 2 , pp. 75–88, 2017, [Online]. Available: https://sid.ir/paper/165192/en

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