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Evaluation of Some Lentil Genotypes Under Different Soil Moisture Regimes

M. A. K. Helali
Former MS Student
Department of Crop Botany, BAU, Mymensingh

Dr. Md. Tariqul Islam
Principal Scientific Officer and Head
Crop Physiology Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh-2202, Bangladesh

M. Tazul Islam
Ex-Director
GTI, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

A pot experiment with three lentil genotypes viz., E₅M-1018, N₅M-573 and N₂M-214 and a check cultivar BARI masur-4 was conducted at Bangladesh Institute of Nuclear Agriculture, Mymensingh to evaluate their performance under four soil moisture levels of 60, 50, 40 and 30% field capacity (FC). The highest plant height, higher number of branches per plant, maximum number of pods per plant, maximum number of seeds per plant, largest 100-seed weight and total dry matter per plant were found in the moisture level of 60% FC. The highest seed yield per plant was obtained from the 60% FC which was followed by 50, 40 and 30% FC. The mutant N5M-573 showed the best performance among the genotypes.

Keywords: Lentil, Genotypes, Evaluation, Moisture regimes

Location: Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh

Start Date: 01-11-2000

End Date: 28-02-2001

Program Area: Variety and Species

Commodity: Lentil

Objectives:

The objectives of the study were to assess the effects of soil moisture levels on lentil genotypes and to find out stress tolerant genotype.

Methodology:

The experiment was conducted in plastic pots at Bangladesh Institute of Nuclear Agriculture, Mymensingh during November 2000 to February 2001. The soil was sandy loam in texture having pH 6.8. A total of 64 pots were prepared with 4 kg soils in each pot. N-P₂O₅-K₂O @ 30-90-40 kgha^-1were applied as urea, TSP and MP, respectively. Seeds of three mutant lines namely E₅M-1018, N₅M-573 and N₂M-214 and the check cultivar BARI masur-4 were sown on 21 November 2000. The experiment consisted of four genotypes and four soil moisture levels. The experiment was laid out in randomized complete block design, where each treatment was replicated 4 times. The soil moisture levels T₁-60% FC (control), T₂-50% FC, T₃-40% FC and T₄-30%FC were measured following gravimetric method and applied at 40 days after sowing. At maturity, data on plant height, number of primary and secondary branches, filled and unfilled pods, seeds per plant, 100-seed weight, seed yield and total dry matter per plant and harvest index were recorded. The collected data were analyzed statistically with the help of MSTAT computer packages (Freed, 1992). The mean differences among the treatments were compared following Duncan’s Multiple Range Test (DMRT) at 5% level of significance.

Source of Information: Bangladesh J. Nuclear Agric. 18: 58-66, 2002

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The highest plant height, higher number of branches per plant, maximum number of pods per plant, maximum number of seeds per plant, largest 100-seed weight and total dry matter per plant of the lentil genotypes were found in the moisture level of 60% FC. The highest seed yield per plant was obtained from the 60% FC which was followed by 50, 40 and 30% FC. The mutant N₅M-573 showed the best performance among the genotypes.

Knowledge Management: Journal