Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 16, Issue 3, 2014; Page No.(673-677)

RESPONSE OF BIOFERTILIZERS IN COMBINATION WITH PHOSPHOROUS ON NUTRIENT CONTENT OF CHRYSANTHEMUM (CHRYSANTHEMUM MORIFOLIUM RAMAT.) CV. DOLLY ORANGE

ANOP KUMARI, R.K. GOYAL, MAHESH CHOUDHARY AND S.S. SINDHU

Abstract

A pot experiment was conducted in the screen-house of Department of Horticulture, College of Agriculture, CCS Haryana Agricultural University, Hisar during 2011-12 and 2012-13 to investigate the potential effect of different levels of phosphorus (0, 10, 15 and 20 g/m2) and biofertilizers (mycorrhiza and PSB) on Chrysanthemum cv. Dolly Orange. The maximum nitrogen content (3.27 and 3.32%) was recorded with phosphorus 20 g/m2, which remained at par with phosphorus 15 g/m2 (3.16 and 3.08%), whereas, it was minimum (1.97 and 1.78%) in control during the year 2011-12 and 2012-13, respectively. Among biofertilizers, inoculation of phosphorous solubilising bacteria (PSB) recorded the maximum nitrogen content in plant (3.24 and 3.07%), which was at par with mycorrhiza (3.13 and 2.92%) application in the year 2011-12 and 2012-13, respectively. The maximum P content (0.45 and 0.44%) was recorded with phosphorus 20 g/m2 in the year 2011-12 and 2012-13, respectively, however, in the year 2012-13, it was at par with phosphorus 15 g/m2 (0.41%). The minimum P content (0.17 and 0.26%) was recorded with control during both the years, respectively. Among the biofertilizers, PSB inoculated plants recorded the maximum phosphorous content in plant (0.36 and 0.43%), which was at par with mycorrhiza inoculation (0.33 and 0.38%), whereas, the minimum P content (0.28 and 0.27%) was observed with control during the year 2011-12 and 2012-13, respectively. In the year 2011-12, maximum K content (1.55 %) was recorded with phosphorus 10 g/m2 and then K content decreased with the increasing levels of phosphorous. In the next year, effect of phosphorous was found to be nonsignificant on K content in plant. The response of biofertilizers and interaction between phosphorous levels and biofertilizers on K content of chrysanthemum plant was found to be non-significant during both the years.

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