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Study of Genetic Control of Soluble Protein in Root Nodules and Seeds in Blackgram (vigna Mungo (l.) Hepper)

M. A. Samad
Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

A. C. Deb
Associate Professor
Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi-6205, Bangladesh

R. Basori
Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

M. A. Khaleque
Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract/ Executive Summary:

The genetic control of soluble protein in root nodules and seeds per plant in four lines of black gram (Vigna mungo (L.) Hepper) in two different crosses (cross I: 5×21 & cross II: 17×20) were studied separately. Additive-dominance relationships for soluble protein in root nodules in cross II and also for soluble protein in seeds in both of the crosses were non-significant. Potence values were significant in all the cases except for soluble protein in seeds in cross I. Components of variation, D and H for both of the characters and crosses expressed positive and negative values. Negative sign was due to large sampling variation and genotype environmental interaction. Dominance ratio showed complete to over dominance in negative direction, which indicated dominance towards decreasing parent. The narrow sense heritability, being high mostly, indicated that selection might be fruitful for soluble protein in nodules in cross I and for soluble protein in seeds in cross II. Genetic advance (GA) was negative in most of the cases, but in some cases it showed positive genetic advance. Positive genetic advance in narrow sense for the characters in root nodules in cross I and for the same in seeds in cross II accompanied by high narrow sense heritability was obtained. This indicated that selection of soluble protein in nodules and seeds in these crosses would likely be fruitful in an advance generations.

Keywords: Blackgram, Genetic control, Single cross, Soluble protein

Location: The research field of Botanical garden of the Department of Botany, Rajshahi University.

Start Date: 00-00-2005

End Date: 00-00-2005

Program Area: Variety and Species

Commodity: Black gram

Objectives:

Objective of the study was to study the genetic information on the inheritance of quantitative characters controlled by polygenic system having both additive and non-additive gene effect

Methodology:

In the present study, four lines of black gram [Vigna mungo (L.) Hepper] viz. line-5, line-17, line-20 and line-21 were collected from Regional Agricultural Research Station (RARS), Ishurdi, Pabna, Bangladesh. The experiment was done in the research field of Botanical garden of the Department of Botany, Rajshahi University. Lay out of the experimental field was done following completely randomized block design. Two single crosses were made without reciprocals between the selected parents in 2005. Root nodules and seeds were collected in individual plant basis under three replications. The experimental data were analyzed by means of biometrical technique as suggested by Mather based on the mathematical models of Fisher along with biochemical analysis through the method.

Source of Information: Int. J. Sustain. Crop Prod. 4(5):05-08, 2009

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In the present investigation, the genetic advance (GA) was negative in most of the cases, but in some cases it showed positive genetic advance. This indicated that selection of soluble protein in nodules and seeds in these crosses would likely be fruitful in advance generation.

Knowledge Management: Journal