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Screening of Lentil Germplasm Under Relay Condition. Season: 2018-2019

M. J. Alam
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

A.K.M.M Alam
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. S. Iqbal
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. G. Azam
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. S. ZAMAN
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

R. U. Chouddhury
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Abstract/ Executive Summary:

Six promising entries of lentil along with BARI Masur 6 as check were evaluated at Pulses Research Centre, Ishurdi, Pabna during Rabi season of 2018-19 which was laid out in RCB design with 3replications to select suitable genotypes for relaying with T. aman rice. Significant differences among the genotypes were observed in case of all the yield contributing characters except days to flower. The entry BLX 01013 flowered (58 days) and matured earlier (114 days) followed by BLX 11014-10. The highest pods per plant were obtained from DPL-62 and lowest in BLX 05009-7. Among the entries the highest yield was obtained from DPL-62 followed by BLX-01013 and BARI masur-6.

Keywords: Pulses, BARI Masur-6, BINA Dhan-7, Lentil, Grain yield, T. aman rice

Location: Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Lentil

Objectives:

To evaluate the performance of different advanced lentil genotypes under relay condition with T. Aman rice.

Methodology:

The experiment consisted of seven entries where six promising advanced genotypes collected from PRC, Ishurdi and one outstanding variety of lentil (BARI Masur-6) used as a check. The location of the experiment was Pulses Research Centre, Ishurdi, Pabna during Rabi 2018-19 which laid out in a RCB design with 3 replications. Each entry was sown in unit plot of 6 rows × 4 m long with a spacing of 1 m between two plots. Seeds were sown in between the T. aman rice rows carefully on wet soil 15 days prior to rice harvest. For this experiment, short duration aman rice field (BINA Dhan 7) was used. Rice was harvested with 20 cm remaining straw at the field. Rice straw was quickly removed from the field to save the lentil seedlings. Recommended doses of fertilizers were applied before and after seed sowing. Each of the entries was investigated from seedling to harvest and compared with check. Stemphylium blight disease score was counted from the whole plot using (0-10) scale of Hashemiet al. (2005) as 0 = Healthy plant, free of diseases, 1 = Dull leaves or few tiny tan spots, 2 = potentiality, A few small to large chlorotic spots, 3 = Expanding lesions on leaves and leaf drop starting, 4 = 20% nodes on main stem showing chlorotic/necrotic symptoms and/or leaf drop, 5 = 40% nodes on main stem showing chlorotic/necrotic symptoms and/or leaf drop, 6 = 60% nodes on main stem showing chlorotic/necrotic symptoms and/or leaf drop, 7 = 80% nodes on main stem showing chlorotic/necrotic symptoms and leaf drop, 8 = 100% leaves dried up/defoliated but small green tip recovering, 9 = 100% leaves dried up/ defoliated including tip but stem still green, and 10 = Whole plant die and completely dried up. Grain yield was calculated from the whole plot. Yield data was recorded from the whole plot and converted into kg/ha. The statistical analysis was done using R software. Yield and yield contributing characters were presented

Source of Information: BARI Annual Report 2018-2019, Plant Breeding Division, Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Significant differences among the genotypes were observed in case of all yield contributing characters except days to flower. Numerically, the entry BLX 01013 flowered (58 days) and matured earlier (114 days) followed by BLX 11014-10 while the entry DPL-62 matured late. Among the entries DPL-62 was the tallest followed by RL 12-178 and BLX 05009-7 was dwarf. The highest pods per plant were obtained from DPL-62 and the lowest in BLX 05009-7. Bold seeded entry was BLX 05009-7 followed by BLX 11014-10 and small-seeded entry was DPL-62. Foot rot disease incidence was negligible on the experimental plots. According to SB disease reaction, most of the entries showed tolerance against stemphylium blight. Among the entries the highest yield was obtained from DPL-62 followed by BLX-01013 and BARI masur-6. Considering yield and yield contributing traits, two entries viz. DPL-62 and BLX-01013 were selected as best to fit for relaying with T. aman rice.

Knowledge Management: Report/Proceedings