Volume 4, Issue 13 (Vol. 4, No. 13, 2015 2015)                   2015, 4(13): 97-112 | Back to browse issues page

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1- university of mohaghegh ardabili
Abstract:   (5110 Views)
Application of plant growth promoting rhizobacteria and foliar application of Nano-Zinc oxide are proper and cheap method for increasing of Triticale yield. So, in order to study of the effects of nano-zinc oxide and seed inoculation with plant growth promoting rhizobacteria (PGPR) on contribution of dry matter remobilization and stem reserves in grain yield, chlorophyll content, stomata conductance and some physiological indices of Triticale, a factorial experiment was conducted based on randomized complete block design with three replications in research greenhouse of the Faculty of Agriculture, University of Mohaghegh Ardabili in 2013. Factors were: foliar application of Nano-Zinc oxide at five levels (0 as control, 0.25, 0.5, 0.75 and 1 g/lit) and seed inoculation with plant growth promoting rhizobacteria in four levels (without inoculation as control, seed inoculation with Azotobacter chrocoococum strain 5, Azosprillium lipoferum strain OF and Psedomunas putida strain 9). The highest contribution of dry matter remobilization and stem reserves in grain yield was obtained at no application of Nano-Zinc oxide and no seed inoculation with PGPR. Means comparison showed that maximum of yield and yield components, chlorophyll content, stomata conductance, total dry matter and crop growth rate was obtained at application of 1 g/lit Nano-Zinc oxide×seed inoculation with Azotobacter and Azosprillium and minimum of they were recorded at no application of Nano-Zinc and no seed inoculation with PGPR. So, it can be suggested that in order to increasing of grain yield, chlorophyll content, stomata conductance and some physiological indices such as total dry matter and crop growth rate be applied seed inoculation of Triticale with Azotobacter and Azosprillium ×application of 1 g/lit Nano-Zinc oxide.
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Type of Study: Research | Subject: Plant Growth Regulators
Received: 2014/03/8 | Accepted: 2014/12/28 | Published: 2015/10/13

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