EFFECT OF CUMULATIVE APPLICATION OF NITROGEN AND PGPR ON THE VARIOUS TRAITS OF BARLEY (HORDEUM VULGARE L.) UNDER DROUGHT STRESS CONDITIONS
Journal Title: Journal of Experimental Biology and Agricultural Sciences - Year 2017, Vol 5, Issue 0
Abstract
This study was contducted to evaluate the effect of cumulative application of nitrogen andPGPR on various growth attributes of barley under drought stress condition. Study was conducted infactorial split plot design on the basis of randomized complete blocks design with 4 replications in 2011-2012 at the research farm of Islamic Azad University, Shahr-e-Rey Branch, Tehran, Iran. Threeirrigation intervals viz 80, 130 and 180 mm and nitrogen levels i.e. 0 (not used), 75 and 150 kg.ha-1 wasused as main factor while PGPR containing pure strains of Azotobacter (strain12), Pseudomonas(strainp-169), Azospirillum (strain OF) in two levels (not used and used) was usedas a sub factor.Interaction of drought stress with nitrogen application was found significant on grain yield, biologicalyield and weight of 1000grain (P<0.01). Further maximum grain (4296.17 kgha-1) and biological yield(9292.25kg.ha-1) was reported from the treatment containing 150 kg N ha-1 and 80 mm irrigation. In caseof dual interaction, drought stress, nitrogen application and PGPR gave maximum grain yield(3061.08kgha-1) while 180 mm irrigation without PGPR treatment has the lowest grain yield (1161.25kgha-1).
Authors and Affiliations
Ehsan Rezaei, Mir Reza Miri, Hamid Reza Shamsaee, Mohsen Hamidi, Babak Sepehri, Farid Golzardi
Keywords
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- EP ID EP428024
- DOI 10.18006/2017.5(3).302.308
- Views 57
- Downloads 0
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