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Preliminary Yield Trial of Lentil (set-ii) (2016--2017)

M. M. RAHMAN
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

M. J. ALAM
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

M. B. ANWAR
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

M. S. ZAMAN
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Abstract/ Executive Summary:

The experiment was carried out to determine the performance of twelve genotypes for yield and yield contributing characters, stability and reaction against a disease that was evaluated in four different locations viz. Ishurdi, Gazipur, Jessore and Madaripur during Rabi, 2016-17. Significant differences among the genotypes were observed in the case of days to flower, days to maturity, pods/plants, plant height and yield/ha. There was a significant variation also found in the number of pods per plant. The highest number (53) of pods/plant was found in LRIL-18-102, BARI Masur-7 followed by BARI Masur-8(47).The highest mean yield (1128 kg/ha) was found in LRIL-18-102 and LRIL-21-139(1111kg/ha followed by BARIMasur-7(1100 kg/ha)), LRIL-22-165(1100kg/ha) and BCX-05002-6(1056kg/ha). The test entries LRIL-18-102, BLX-05002-3, BLX-05002-6, LG-198, LRIL-22-158, LRIL-21-139 and BLX-05009-7 are performed comparatively well. These lines were selected in the next year for RYT.

Keywords: Stemphylium blight, Footrot, Lentil

Location: Pulses Research Centre, Ishurdi, RARS Jessore, RPRS Madaripur and PRSS Gazipur

Start Date: 00-00-2016

End Date: 00-00-2017

Program Area: Variety and Species

Commodity: Lentil

Objectives:

Objectives of the varietal improvement program. After evaluation of genotypes in a suitable location, it is necessary to evaluate them in the Regional Yield Trial in a single or multiple locations to assess their performance.

Methodology:

The experiment consisted of twelve entries including BARI Masur-7 and BARIMasur-8 as checks. It was conducted at five locations, Pulses Research Centre, Ishurdi, RARS Jessore, RPRS Madaripur and PRSS Gazipur during Rabi 2016-17 (16 to 23 November) in a RCB design with 3 replications. Each entry was sown in unit plot of 6 rows × 4 m long with a spacing of 40 cm between rows. Spacing between two plots was 40 cm. Seeds were sown in the rows carefully by hands at 3 cm depth and then covered by soils. Post sowing irrigation was given to ensure seed germination. Mulching was done and crusts were broken. Weeding was done to keep the plots free from weeds. Each of the entries was investigated from seedling to harvest and compared with checks. Disease scoring scale (0-5) used for rating of stemphylium blight as 0 = No infection, 1 = Few scattered leaf infection but no twig blighted, 2 = 5-10% leaflet infection and/few scattered 1% twig blighted, 3 = 11-20% leaflet infection and /or 1-5% twig blighted, 4 = 21-50% leaflet infections and /or 6-10% twig blighted and 5 = 51% leaflet infection and/or 10% twig blighted developed by Bakr and Ahmed (1992). Footrot scoring in percentage (%). Grain yield was calculated from the whole plot. At maturity, the best individual lines were selected on the basis of earliness, disease reaction and higher yield. Yield data was recorded from the whole plot and converted into kg/ha. Yield contributing characters were taken from the 10 randomly selected plants from the middle rows of each plot. The statistical analysis was done using CROPSTAT program.

Source of Information: Annual Research Report 2016-2017, Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering above all stability parameters, yield contributing characters and disease reaction it was revealed that the genotypes LRIL-18-102 and BLX-05002-3 were the high yielding genotypes with moderate stability across the environment followed the entries BLX-05002-6, LG-198, LRIL-22-158, LRIL-21-198 and BLX-05009-7. Therefore, these genotypes have been selected to evaluate for next year in RYT.

Knowledge Management: Report/Proceedings