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Collaborative BARI-icarda Program with University of Saskatchewan Field Screening of Lr-59 for Stemphylium Blight Resistance at Prc, Bangladesh (2017 - 2018)

D. SARKAR
Pulses Research Centre, BARI, Ishurdi, Pabna

M. HOSSAIN
Pulses Research Centre, BARI, Ishurdi, Pabna

Abstract/ Executive Summary:

The screening experiment was conducted with 48 accessions at Pulses Research Centre (PRC), Ishurdi, Pabna. Lentil variety BARI Masur-1 (susceptible) was used as checks with consistent results throughout the experiment. The higher frequency of resistance to Stemphylium Blight (SB) was found in LR59-4, LR59-86, Eston, LR59-23 and LR59-86 and produced few seed. These sources can potentially be used to develop new commercial cultivars with SB disease resistance.

Keywords: stemphylium blight, Field screening, Lentil

Location: The screening experiment was conducted with 48 accessions at Pulses Research Centre (PRC), Ishurdi, Pabna.

Start Date:

End Date:

Program Area: Pest Management

Commodity: Diseases

Objectives:

The present study was conducted to continue search for resistant genotypes against SB disease of lentil in natural condition.

Methodology:

Forty-eight lentil advanced entries were collected from the University of Saskatchewan. Each line was sown in a single row of 1m length. Three replications were used having line to line distance of 30 cm. The seeds were sown on November 11, 2016. Infected crop debris from the previous year was spread between rows to build up Stemphylium inocula. The disease severity was scored according to 0-10 scale, where 0 = 0% DS, 1 = 1-10% DS, and so forth, up to 10 = 91-100% DS.

Source of Information: Annual Research Report 2017 - 2018, Pulses Research Centre, BARI, Ishurdi, Pabna

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The screening result revealed a significant difference among the lines which became well pronounced in all the tested parameters (Table 3.8). The lowest stemphylium blight disease severity was recorded in LR59-86 and the highest severity (10) was in BARI Masur-1. Out of 48 entries, only five (5) produced seeds but these entries are remarkable to resistance to stemphylium disease. This is the first year trial, so next year it will be used for breeding purposes.

Knowledge Management: Report/Proceedings