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Performance of Lentil Varities as Influenced by Different Rhizobium Innoculations

M. A. Haque
Lecturer, Lakhpur Shimulia College, Narosindhi

P. Bala
Ph.D. Fellow, Hajee Mohammad Danesh Science & Technology University, Dinajpur

A. K. Azad
Ph.D. Fellow, Hajee Mohammad Danesh Science & Technology University, Dinajpur

Abstract/ Executive Summary:

A field experiment was conducted at the farm of Bangladesh Agricultural University, Mymensingh during November 2009 to March 2010 to study the response of three lentil varieties (viz., BARI Masur-1, BARI Masur-2 and BARI Masur-3) to Rhizobium inoculations to yield. There were three Rhizobium inoculants (Rhizobium strain BINA L4, Rhizobium strain TAL 640, and mixed culture) with uninoculated control and urea @ 50 kg ha^-1. Phosphorus and potassium @ 26 kg P ha^-1 from TSP and 33 kg K ha^-1 from MP were used as basal. It was observed that Rhizobium inoculation alone increased plant height, grain yield and crop residues yield of plant significantly compared to uninoculated control. Local inoculants BINA L4 performed better than the exotic culture TAL 640 in respect of yield. 50 kg urea ha^-1 also recorded better results than control but not superior to any of the inoculation treatments. The highest seed (1,565 kg ha^-1) and crop residue yields (3,303 kg ha^-1) were recorded from the lentil variety BARI Masur-3 inoculated with mixed culture.

Keywords: Rhizobium inoculants, Lentil varieties, Yield

Location: Farm of the Department of Soil Science, Bangladesh Agricultural University, Mymensingh

Start Date: 00-11-2009

End Date: 00-03-2010

Program Area: Crop-Soil-Water Management

Non-commodity: Performance

Objectives:

The investigation was undertaken to evaluate the effectiveness of three Rhizobium inoculants to lentil varieties in respect of yield.

Methodology:

A field experiment was conducted during the winter (rabi) seasons of 2009 -2010 at the farm of the Department of Soil Science, Bangladesh Agricultural University, Mymensingh. The land was situated to the North East side of the farm and situated at latitude of 24.75 ºN and a longitude of 90.50º E. The initial soil sample of the experimental field was collected and analyzed following standard procedures in the laboratory. The experiment was laid out in split-plot design having four replications with 3 lentil varieties in main plots and 5 inoculation (no inoculation, BINA L4 as a local Rhizobium strain, TAL 640 as an Exotic Rhizobium strain, BINA L4 and TAL 640 as mixed culture and urea at the rate of 50 kg/ha in sub plots The recommended dose of 26 kg P, 33 kg K was applied as basal. The land was prepared by ploughing and cross- ploughing with the country plough followed by laddering uniformly. Fresh seeds of lentil were dipped in the respective culture broth of 5 days growth for two and half an hours. The seeds were dried in shade. The inoculated seeds of three inoculation treatments were randomly placed in the 5 unit plots of each main plot with spacing of 30 cm using 50 kg seed ha^-1 sowing at 22 November, 2009 and harvested at 12 March, 2010. The harvested area of each plot was 4m x 2.5m. The crop was raised following recommended agronomic practices. Data on plant height from each plot 5 randomly selected plants were carefully measured and their mean values were determined. The yields were taken plot-wise by harvesting of each plot and then it was converted to hectare basis. The collected data were analyzed statistically using the analysis of variance technique with the help of computer package MSTAT and mean differences were adjudged by Duncan's Multiple Ranged Test (DMRT) (Gomez and Gomez, 1984).

Source of Information: Bangladesh Agron. J. 2014, 17(1): 41-46

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The present investigation suggested that lentil genotype BARI Masur-3 produced highest seed yield and crop residue. Rhizobium strain BINA L4 and TAL 640 were effective items in term of yield. A significant and positive correlation was observed between nodule number and nodule weight, crop residues and seed yield; nodule weight, crop residue and seed yield. Further study is necessary to draw a definite conclusion.

Knowledge Management: Journal