Journal of FARM SCIENCES, Vol 20, No 4 (2007)

Font Size:  Small  Medium  Large

Growth of Sesbania grandiflora and Sesbania sesban as Influenced by Plant Densities and Phosphorus Levels with and Without Vesicular Arbuscular Mycorrhiza

B.K. Desai, A.S. Halepyati

Abstract


Field trial was conducted in clay loam soil of Agricultural College Farm, Raichur during 2001-02 and 2002-03. The study involved Sesbania grandiflora and S. sesban at three plant densities (10, 20 and 40,000 plants ha-1) with and without Vescular Arbuscular Mycorrhiza (VAM) inoculation.  The data revealed that tree height, number of branches, collar diameter and diameter at breast height (DBH) increased from 12 MAS (months after sowing) to 24 MAS due to treatments. Sesbania grandiflora recorded significantly higher tree height when compared to S. sesban produced significantly higher number of branches than S. grandiflora.  Increase in plant density from 10,000 to 40,000 plants/ha decreased all the growth parameters studies.  Phosphorus levels produced significant differences on tree height, number of branches, collar diameter and DBH.  VAM inoculation with lower level of phosphorus (60 kg/ha) was significantly superior with respect to all the growth parameters over higher level of phosphorus application (120 kg ha-1) without VAM.

Full Text: PDF