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Characterization and Evaluation of Mungbean Germplasm in Bangladesh

MM Rahman
SO
Pulses Research Sub- Station, BARI, Gazipur

M Shahin-uz- Zaman
SSO
Pulses Research Center BARI, Ishurdi, Pabna

MAR Choudhury
Associate professor
Dept. of Entomology, Faculty of Agriculture, SAU, Sylhet

S Islam
SO
Biotechnology Division, Tuber Crop Research Center, BARI, Gazipur

KAMM Rahman
SSO
Tuber Crop Research Center, BARI, Gazipur

Abstract/ Executive Summary:

The study aim to establish groups of relatively homogeneous accessions based on morpho-agronomic descriptions, upon which nomination for inclusion in the mungbean core-collection could be based. Three hundred and ten genotypes of mungbean were evaluated to estimate the variation among the genotypes and to find out the short duration line for fitting rice based cropping system in between rice to fighting climate change in Bangladesh. All the genotypes were grouped into fifteen clusters. The composition of various clusters varied from 4 to 32. Cluster XV comprised of 32 genotypes followed by cluster II, V, VII and IX consisting of 31, 28, 29, and 27 genotypes, respectively. There were 24 genotypes in clusters VI and XIV, 22 in cluster XIII, 18 in cluster X and only 4 genotype in cluster III. Cluster III exhibited the lowest mean value for days to flower (36) and days to maturity (59) both in fresh pod and seed harvest followed by cluster XII. The highest pod length (9.1cm) found in cluster II and hundred seed weight (5.54 g) observed in cluster XIII and also the highest yield per plant(4.3 g) in 2^nd harvest was recorded in cluster XIII followed by cluster XI (4.2 g). Cluster XI also showed the highest number (5.2) of clusters and pods (15.9) per plant whereas cluster XI had genotypes with the highest plant height (46 cm) and highest number of seeds per pods (10.2) found in cluster IV

Keywords: Mungbean, Vigna radiata, Characterization, Evaluation, Cluster analysis

Location: Pulses Research Centre, Ishurdi and Pabna

Start Date: 00-00-2012

End Date: 00-00-2012

Program Area: Variety and Species

Commodity: Mungbean

Objectives:

The objectives of the present study were to investigate the extent of genetic variation and relationship between various mungbean genotypes based on quantitative traits using multivariate analysis and to identify a set of agronomic attributes to be used in future breeding programme.

Methodology:

The experiment was conducted during Kharif-I season of 2012 at the Pulses Research Centre, Ishurdi and Pabna. A total of 310 mungbean lines were used to estimate the variation among the genotypes. Each plot consisted of two rows of 4 m long with row to row spacing of 40 cm and plant to plant of 8 cm. Fertilizers used @ 25 kg N, 30 Kg P, 25 Kg K and 2 Kg Boron per hectare of land and were applied as basal doses during final land preparation. Pesticide (Karate @ 1 ml/L water) was sprayed to save the crop from the infestation of pests especially Thrips and Pod borer. Data was recorded on quantitative traits for ten plants randomly sampled. At maturity best individual lines were selected on the basis of earliness, disease reaction, insect susceptibility (against pod borer) and higher yield. The traits were included Days to flower, Days to maturity, plant height, Pods per plant, Pods per cluster, Cluster per plant, Pod length (cm), Seeds per pod, 100 SW (gm) and Grain yield/plant (gm). The genetic diversity was studied following the generalized distance (D²) of Mahalanobis extended by Rao. The accessions were grouped into clusters using canonical vitiate analysis. The statistical analysis was done using Genstate 5 computer software.

Source of Information: Eco-friendly Agril. J. 10(04):35-39, 2017 (April)

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

There are 13 genotypes 4143 A, BMXk1-05002-8, 2523 A, IPB-M79-13-29, BMXk1-95001-2, BINAMung-7, BMX-94010-10, 2550 A, 3890 A, BMX-94011-9, 2764 B,VC-6151(B-20) and BMX- 94011-10 were selected for high yielding and 6 genotypes BMX-97014-3, BMX-97024-13, PS-7, BM 12003, BMXK1-00229 and Thailand were selected for long podded mungbean genotypes for next multiplication trial to find out the desired lines of mungbean for crop improvement programm in Bangladesh.

Knowledge Management: Journal