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Screening Advance Lines/varieties of Lentil Under Late and Optimum Sown Condition

M. Shahin-Uz-Zaman
Pulses Research Centre, BARI, Ishwardi, Pabna.

M. J. Alam
Pulses Research Centre, BARI, Ishwardi, Pabna.

Abstract/ Executive Summary:

A study was done to identify genotypes/variety of lentil having high yield potential in late sown condition under heat stress.Ten varieties including three advanced lines were sown at Pulses Research Centre, Ishurdi, Pabna, Bangladesh during rabi 2013-14 . Significant difference was observed in yield and yield related traits in two sowing dales. 1st sowing (11 November) produced higher yields compared to late sowing in 26^th November. Considering sowing dates highest yield was found in BARI Masur6 in 1st sowing (11 November) and, BARI Lentil-4 produced higher yield in 2^nd sowing (26^th November), though the population of 2nd sowing was bit more than 1st sowing but the yield difference between two sowing was also higher. Similarly, the entry LR 9-25 produced the higher yield in 2nd sowing even with less population than 1st sowing. The rest of the variety/genotypes had no remarkable yield difference on two dates of sowing.

Keywords: Lentil, Pulses, Sown condition, Yield

Location: Pulses Research Centre, Ishurdi, Pabna, Bangladesh

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Variety and Species

Commodity: Lentil

Objectives:

To identify genotypes/variety of lentil having high yield in late sown under heat stress condition.

Methodology:

Ten varieties including three advanced lines were sown at Pulses Research Centre, Ishurdi, Pabna, Bangladesh during rabi 2013-14. The genotypes were sown at two dates, viz., November 11 (optimum sowing time) and November 26 (late sowing) in a RCB split plot design with 3 replications. Each entry was sown in a plot of 5 rows x 4 m length with line to line spacing of 40 cm. Recommended fertilizers were used at the rate of 20-40-20-10 kg/ha (NPKS) in final land preparation. Post sowing irrigation was given to ensure seed germination. Necessary intercultural operations were done as and when necessary. The yield data was taken from 4 m² area in a plot while the yield contributing traits were recorded from five randomly selected plants. Stemphylium blight disease score was counted from the whole plot. The statistical analysis was done using GENSTAT computer software.

Source of Information: Annual Research Report, 2013-2014, Pulses Research Centre, BARI, Ishwardi, Pabna.

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In respect of characters, all the entries took 3-12 days less in days to flowering and maturity in second date of sowing. The hundred seed weight was highest in LRIL 22-205 (2.53g) followed by LR 9-25 (2.51 g). The genotypes LR 9-25 was found resistant to stemphylium blight. However, BARI Lentil-6 produced the highest number of pods per plant (84.0) followed by LR 9-25. From this evaluation it might be concluded that, BARI Lentil-4 and LR 9-25 are suitable for late sowing after harvest of aman rice.

Knowledge Management: Report/Proceedings