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Paper Information

Journal:   PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)   spring 2017 , Volume 9 , Number 28 #b00525; Page(s) 133 To 144.
 
Paper: 

Evaluate the effect of plant growth promoting rhizobacteria (PGPR) and nitrogen fertilizer on yield and some agronomic and physiological traits of medicinal plant of Peppermint (Mentha piperita L. )

 
 
Author(s):  HOKMALIPOUR S.*
 
* Department of Agriculture, Payame Noor University, Tehran, Iran
 
Abstract: 
In order to study the effect of plant growth promoting rhizobacteria (PGPR) and nitrogen fertilizer on yield and agronomic and physiological traits of medicinal plant of Peppermint, a factorial experiment was carried out based on Randomized Complete Block Design with three replications in 1394 at the Agricultural Research Farm of University of Payam Noor, Kosar baranch, Kosar, Ardabil. Experimental factors were, nitrogen fertilizer in five levels (0, 50, 100, 150 and 200 kg N. ha-1, from urea source) and plant growth promoting rhizobacteria in three levels (no inoculation, seed inoculation with Azotobacter chorchorum strain 5 and Azosprilium lipoferum strain OF). Minimum and maximum of all traits were obtained at control level and highest level of nitrogen fertilizer. analysis of variance showed that in seed inoculation by plant growth promoting rhizobacteria, stem fresh weight, stem dry weight, leaf fresh weight, total plant dry weight, total plant fresh weight, leaf area, chlorophyll index, leaf essence and essence yield, significantly affected. The highest levels in all of the listed traits were observed by seed inoculation with Azotobacter. Azosprilium were ranked. The lowest levels in traits were observed in no inoculation. Stem dry weight, leaf area and leaf essence were significantly by interaction effect of nitrogen × PGPR. Maximum stem dry weight, leaf area and leaf essence were observed in 200 kg N. ha-1 × Azotobacter. The interaction effect of 200 kg N. ha-1 ×Azosprilium was at a lower level. Minimum levels of listed traits were obtained in control levels of experimental factors.
 
Keyword(s): Chlorophyll index,essence percentage,essence yield leaf area and seed inoculation
 
References: 
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  Persian Abstract Yearly Visit 63
 
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