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Screening of Mungbean Genotypes Against Waterlogging Stress at Vegetative Growth Stage

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

F. Ahmed
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

I. M. Ahmed
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Abstract/ Executive Summary:

Waterlogging tolerance of mungbean was conducted during kharif-1 season of 2019 to find out waterlog tolerant genotype. Fifty mungbean genotypes were evaluated waterlog and normal condition. Waterlog was imposed at 30 days after sowing by transferring the pots in a water tub where water was maintained about 5 cm above the soil surface of pots. After three days (72 h), pots were removed from waterlogging and kept in normal condition until maturity. Under waterlog condition the higher relative yield was found in G16, G8, G7, G20, G12 and G22 while that was lower in G2 and G28. Stress tolerance index (STI), Yield index (YI) and Relative yield (RY) of G20, G16, G22, G7, G12 and G8 were higher than others. So, on the basis of yield, dry matter production, STI, YI and RY, genotypes G20, G16, G22, G7, G12 and G8 could be selected for future research against waterlogging stress.

Keywords: Pulse, Mungbean, Kharif-I, Waterlogging

Location: BARI, Gazipur, Bangladesh

Start Date: 00-00-2019

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Mungbean, Waterlogging

Objectives:

To find out the flooding tolerant and susceptible mungbean genotypes on the basis of morpho-physiological parameters at vegetative growth stage.

Methodology:

A pot experiment was conducted at BARI Gazipur during kharif-I season of 2019. Fifty mugbean genotypes were used as test crop under normal and waterlog condition. The experiment was laid out in randomized complete block design with 3 replications. Plastic pots (top dia: 20 cm, bottom dia: 15 cm and height 19 cm; 6 kg soil) were filled up with well mixed soil and cowdung (4:1). Ten seeds were sown in each pot on 23th March 2019. Fertilizers were applied 24-32-48-24-3-1.5 kg/ha N P KSZnB. All fertilizers were applied as basal at sowing. After emergence plants were thinned to three plants in each pot. At 30 days after sowing, waterloging stress was imposed by transferring the pots in a cement concrete made water tub where water was maintained about 5cm above the soil surface of the pots. After three consecutive days (72 hours) of waterlogging pots were removed from water and kept those at normal condition upto maturity. At harvest yield and yield components data were collected from three pots and analyzed statistically and mean separation was done by LSD test at 5% level of significance.

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

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Under waterlog condition the higher relative yield was found in G16, G8, G7, G20, G12 and G22 while that was lower in G2 and G28. Stress tolerance index (STI), Yield index (YI) and Relative yield (RY) of G20, G16, G22, G7, G12 and G8 were higher than others. So, on the basis of yield, dry matter production, STI, YI and RY, genotypes G20, G16, G22, G7, G12 and G8 could be selected for future research against waterlogging stress. On the basis of, seed yield, dry matter production, STI, YI and RY genotypes G16, G20, G7 and G8 can be selected as comparatively tolerant against waterlogging for future program.

Knowledge Management: Report/Proceedings