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Correlation and Path Analysis of Durum Wheat (triticum Turgidum L. Var. Durum)

A. A. KHAN
Scientific Officer
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute (BARI), Ishurdi

M. A. ALAM
Scientific Officer
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute (BARI), Ishurdi

M. K. ALAM
Scientific Officer
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna

M. J. ALAM
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna

Z. I. SARKER
Principal Scientific Officer
Wheat Research Centre, BARI, Nashipur, Dinajpur, Bangladesh.

Abstract/ Executive Summary:

A study was conducted to examine relationship between important traits of durum wheat and their direct and indirect effects on grain yield. Research work was conducted during the winter season of 2009-10 under irrigated optimum seeding condition at Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Ishurdi, Pabna with 10 advanced genotypes. A wheat variety was used as check. Positive and significant correlation was found for plant height, spikes/m², and 1000-grain weight with grain yield. Head days and maturity days showed considerable negative correlation with grain yield. Maturity days, spikes/m², and 1000-grain weight had significant positive direct effects on grain yield. Grains/spike had direct positive effect but in low magnitude. The indirect effect of head days and plant height on grain yield was found mainly through maturity days and 1000-grain weight. It can be concluded that more emphasis should be given on head days and plant height along with 1000-grain weight, spikes/m², and grains/spike during selection for dururn wheat improvement.

Keywords: Durum wheat, Correlation, Path analysis, Direct and Indirect effects on Grain yield.

Location: Regional Agricultural Research Station, Ishurdi

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Socio-economic and Policy

Commodity: Wheat

Objectives:

The present study was undertaken to find out relationship between yield and its component characters and the causes of such relations was further analyzed.

Methodology:

Eight advanced lines of durum wheat along with two cheek varieties one from T. durum (BDW-8) and the other from T aestivum (Prodip) were evaluated at the Regional Agricultural Research Station, Ishurdi during the winter season of 2009-2010 under irrigated and optimum seeding condition. The experiment was laid out in Randomized Block Design (RBD) with four replications. The unit plot was 5 m long and 8 rows at 20 cm spacing. Pertinent data were collected from each plot on seven characters, namely days to heading, days to maturity, plant height (cm), spikes/m², grains/spike, 1000-grain weight, and grain yield (kg/ha). Genotypic and phenotypic correlation coefficients were obtained as suggested by Johnson, et al. (1955) and path coefficient analysis was done as per Dewey and Lu (1959).

Source of Information: Bangladesh J. Agril. Res. 38(3): 515-521, September 2013, ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded that more emphasis should be given on head days and plant height along with 1000-grain weight, spikes/m² , and grains/spike during selection for dururn wheat improvement.

Knowledge Management: Journal