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Screening of Blackgram Lines Resistant to Yellow Mosaic Virus and Powdery Mildew. Season: 2017-2018

M Shahiduzzaman
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

B L Nag
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at Regional Pulses Research Station (RPRS), Madaripur during Kharif-II season of 2017 to evaluate the exotic and local germplasm of blackgram to identify yellow mosaic virus, powdery mildew resistant and high yielding genotypes. Significant difference were observed in YMV severity, no of pods/plant, 100 seed weight, and seed yield (kg/ha) etc. Among tested entries several lines performed resistance to YMV and PM. YMV disease severity was lowest (1.33) in BBLXK-204002-19, BBLXK-2092005-2, BBLXK-2086136 and BD-6841. Severity of powdery mildew was minimum (1.00) in BBLXK-2004003-2 and BBLXK-2004003-6, VC-6379-23 whereas BD-6855, BD-6859, BD-6860, BD-6863, BD-6865 and BD-686610045 performed the highly resistant reaction. The local line BD-6840 conferred the highest seed yield (1437 kg/ha).

Keywords: Pulse, Lentil, Grain yield, Kharif-II,

Location: RPRS, Madaripur, Bangladesh

Start Date: 00-00-2017

End Date: 00-00-2018

Program Area: Crop-Soil-Water Management

Commodity: Black gram, Virus

Objectives:

To select some YMV and powdery mildew resistant/tolerant lines of blackgram with an aim to develop new variety.

Methodology:

The experiment consisted of 19 entries of exotic and 26 entries of local germplasm along with BARI Mash-1 as check was conducted at RPRS, Madaripur during Kharif-II, 2017. The local germplasm mean germplasm which are collected from the PGRC center BARI, Joydebpur, Gazipur. This local germplasm are too old that place of collection could not found. The experiment was laid out in two replications in lattice design. Each entry was sown in a unit plot of 12m x 5m long with a spacing of 40 cm between rows. Spacing between two plots was 1m. Seeds were sown in the rows carefully at 3 cm depth then covered with soil on 17^th October, 2017. Weeding performed twice at 25 days and 45 days after sowing. Each of the entries were investigated from seedling to harvest and compared with check. Volium Flexi 300SC were sprayed 2 times for the control of flee beetle, aphid and pod borer. The crop was harvested within January 21-23, 2018. Data on yield and yield contributing characters were recorded from 10 randomly selected plants from each plot. Yellow mosaic virus (YMV) severity was rated on 0-8 scale as described by Malik (1992). Powdery mildew of blackgram was also recorded on a 0-5 scoring scale (Gawande and Patil, 2003). Seed yield (kg/ha) was recorded from the whole plot. Data were analyzed statistically using MSTAT-C and means were separated by DMRT.

Source of Information: Annual Research Report-2017-2018, Plant Pathology Division, Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering YMV and PM disease severity and yield together, the relative position of the genotypes compare to check did not follow any definite trend. Considering overall performance, the exotic lines BBLXK-2004001-2, BBLXK-204002-9, BBLXK-2004002-19, BBLXK-2004003-7, BBLXK-2004003-11, BBLXK-2092005-2, BBLXK-2086136 and VC-6379-23 rated resistant whereas local lines BD-6833, BD-6839, BD-6840, BD-6841, BD-6848, BD-6853, BD-6855, BD-6863, BD-6865, BD-6866, BD-6867, BD-6857, BD-10038 and BD-10046 rated resistant. Upon further trial these lined will be transferred to breeders for the development of resistant variety.

Knowledge Management: Report/Proceedings