Effect of dual microorganism inoculations of seed on the amount of plant growth regulators and barley grain yield under different nitrogen levels

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KHALAJ HAMIDEH; HASANABADI TAHEREH; Delfani Maryam

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2019 | Volume:8 | Issue:33 Page(s): 373-385

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Information Journal Paper

Title

Effect of dual microorganism inoculations of seed on the amount of plant growth regulators and barley grain yield under different nitrogen levels

Author(s)

KHALAJ HAMIDEH | HASANABADI TAHEREH | Delfani Maryam | Issue Writer Certificate

Keywords

AuxinQ2

BacteriaQ2

CytokininQ2

GibberellinsQ2

HormoneQ2

Abstract

In order to investigate the effects of dual phosphorus and Azospirilum solubilizing Bacteria on hormonal condition and barley grain yield under different levels of nitrogen, an experiment was conducted in Agricultural Research Station of Islamic Azad University of Karaj, in 2014. The experiment was carried out as a factorial split-plot design based on randomized complete block design with three replications. The treatments included the main factor of the nitrogen fertilizer in four levels (0, 50, 75 and 100%, equivalent to zero, 150, 225 and 300 kg per Hectares respectively) and sub factors including Azospirilum lipophorm Bacteria in two levels (application and non-application of Bacteria) and also Pseudomonas fluorescens bacterium in two levels (application and non-application of Bacteria). The results showed that application of 75% nitrogen and A. lipophorum and the application of the main treatment of P. fluorescens produced the highest amount of Auxin Hormone. The interactions of urea and A. lipophorum and the dual interactions of A. lipophorum and P. fluorescens produced the highest levels of Cytokinin Hormone. The levels of Hormones showed in the triple treatments of 100% nitrogen, A. lipophorum and P. fluorescens Bacteria compared to the control treatment (not treatments) had 261. 1% difference. The highest grain yield was observed in p. fluorescens (4700 kg ha-1) treatment and using 100% application of urea and A. lipophorum (5500 kg ha-1). As a result, the application of nitrogen fertilizer and the use of both types of biological fertilizers led to an increase in the production of Hormones that ultimately increased root growth, ultimately, increased water absorption and nutrients from the soil and increased grain yield.

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APA: Copy

KHALAJ, HAMIDEH, HASANABADI, TAHEREH, & Delfani, Maryam. (2019). Effect of dual microorganism inoculations of seed on the amount of plant growth regulators and barley grain yield under different nitrogen levels. JOURNAL OF PLANT PROCESS AND FUNCTION, 8(33 ), 373-385. SID. https://sid.ir/paper/371032/en

Vancouver: Copy

KHALAJ HAMIDEH, HASANABADI TAHEREH, Delfani Maryam. Effect of dual microorganism inoculations of seed on the amount of plant growth regulators and barley grain yield under different nitrogen levels. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2019;8(33 ):373-385. Available from: https://sid.ir/paper/371032/en

IEEE: Copy

HAMIDEH KHALAJ, TAHEREH HASANABADI, and Maryam Delfani, “Effect of dual microorganism inoculations of seed on the amount of plant growth regulators and barley grain yield under different nitrogen levels,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 8, no. 33 , pp. 373–385, 2019, [Online]. Available: https://sid.ir/paper/371032/en

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