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Performance of Exotic Lentil Germplasm in Bangladesh

M. W. Mia
Regional Agricultural Research Station, Bangladesh Agricultural Research institute lshurdi Pnbna, Bangladesh

M. A. K. Mian
Regional Agricultural Research Station, Bangladesh Agricultural Research institute lshurdi Pnbna, Bangladesh

M. M. Rahman
Regional Agricultural Research Station, Bangladesh Agricultural Research institute lshurdi Pnbna, Bangladesh

Abstract/ Executive Summary:

Coefficient of variation, obtained from 200 lentil lines originating from seven countries, was very low for time to maturity (days) (3.94%), lime to flowering (days) (9.65%), and plant height (10.92%); but high for seed yield/plant (48.69%) and 1000-seed weight (29.03%). Correlation coefficient between seed yield/plant and plant height was high and positive. Seed yield/plant had negative association with time of flowering (days) and seed size.

Keywords: Lentil germplasm, Performance, Evaluation

Location: International Center for Agricultural Research in the Dry Areas

Start Date:

End Date:

Program Area: Variety and Species

Commodity: Lentil

Objectives:

To the evaluation of exotic germplasm in Bangladesh.

Methodology:

Two hundred early-maturing germplasm lines from seven lentil producing countries, received from the International Center for Agricultural Research in the Dry Areas (lCARDA), were evaluated in a germplasm nursery in the 1984/85 cropping season. On 8 Nov 1984, the lines were sown after every 10 test entries in non-replicated single row plot of 4 m long with lentil-5 as local check at the Regional Agricultural Research Station, Ishurdi, Pabna. Spacing was 25 cm between rows and 2 cm between plants in a row. No fertilizer was applied. For uniform germination, only one post-sowing irrigation was applied. There was no rainfall during the cropping season. Observations on time to 50% flowering (days), time to maturity (days), plant height, seed yield/plant, and 1000-seed weight were recorded from 20 randomly selected plants from each entry, The characters were used for variability and correlation study.

Source of Information: LENS Newsletter Vol-13, No-2, 1986

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Time to flowering (days) varied from 53 to 85 days with a mean of 74.7 days. Similarly, time to maturity (days) also showed low variability with 3.4% coefficient of variation. Plant height ranged from 34 to 54.2 em with a mean of 40.5 cm. The results in reveal the minimum variability for seed yield/plant (48.7%) and 1000-seed weight (29.0%). The range of variability for seed yield/plant might be useful to select higher yield lines. There was a large variation in seed size among the entries. The 1000-seed weight which ranged from 13 to 38 g offers some scope of selection for bold-seeded types which can be used in the Lentil Improvement Program.

Knowledge Management: Newsletter