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Multivariate Analysis Approach to Select Parents for Hybridization Aiming at Yield Improvement in Cucumber (cucumis Sativus L.)

S. Afroz
Department of Agricultural Extension, Dumki, Patuakhali, Bangladesh,

M. S. Noman
On-Farm Research Division, BARI, Bogra

M. S. Hossain
Departments of Genetics and Plant Breeding, Sher-e-Bangla Agricultural University, Dhaka,Bangladesh.

A. A. Mamun
Agrotechnology Discipline, Khulna University, Bangladesh

N. Howlader
Syngenta Bangladesh Limited, Bangladesh,

S. Ara
Agriculture Training Institute, Faridpur, Bangladesh

Abstract/ Executive Summary:

Twenty two genotypes of cucumber (Cucumis sativus L.) were evaluated using D2 and principal component analysis (PCA). The genotypes were collected from Plant Genetic Resources Centre (PGRC) of Bangladesh Agricultural Research Institute (BARI), Gazipur , Agro-G, & Lal Teer seed company. The study was undertaken at Sher-e-Bangla Agricultural University Farm, Dhaka during March 2010 to October 2010 to select suitable donor parents for improved breeding of cucumber. Principal component analysis (PCA) revealed that the first two axes accounted for 67.39% of the total variation among the fourteen characters studied. As per cluster analysis, the genotypes were grouped into four clusters consisting 5, 3, 8 and 6 genotypes which revealed that there exist considerable diversity among the genotypes. Highest intra-cluster distance was found in cluster ?I and lowest in cluster ?V. Among four clusters, the highest inter-cluster distance was observed between cluster ?I and cluster ? and lowest between cluster I and cluster ?V. Considering all of the characters studied, the Serena, BD-4305, BD-4256, CU937F1 and BD-4309 were selected for future breeding programme.

Keywords: Cucumber (Cucumis sativus L.), Genetic variability, Parents, Hybridization

Location: The farm of Sher-e-Bangla Agricultural University, Dhaka

Start Date: 00-03-2010

End Date: 00-10-2010

Program Area: Variety and Species

Commodity: Cucumber

Objectives:

1. To search suitable diverse germplasm as suitable parents for future breeding program of cucumber.

Methodology:

A total of twenty two genotypes of cucumber, collected from Plant Genetic Resources Centre (PGRC) of Bangladesh Agricultural Research Institute (BARI), Gazipur, Agro-G, & Lal Teer seed company namely: BD 4207(1), BD 4234(2), BD 4244(3), BD 4249(4), BD 4251(5), BD 4256(6), BD 4305(7), BD 4308(8), BD 4309(9), BD 4313(10), BD 4315(11), BD 4320(12), Chamok 34(13), Serena(14), Alavy(15), Sishir(16), CU 937 (17), Joti (18), Mukta (19), Green joint(20), Baromashi (21) and Local (22), were grown at the farm of Sher-e-Bangla Agricultural University, Dhaka following randomized block design with three replications during March-Oct. 2011. Each replication consisted of 20 pits. The spacing pit to pit and block to block was 1.5 and 0.6 m, respectively. Data were recorded for leaf length (LL), leaf breadth (LB), leaf petiole length (LPL), number of branches per vine (NB), days to first male flowering (DMF), days to first female flowering (DFF), number of male flowers per plant (MFP), number of female flowers per plant (FFP), number of fruits per plant (FP), weight of fruit (WF), length of fruit (LF), breadth of fruit (BF), length of peduncle (LP) and fruit yield per plant (FYP). Data were subjected to both univariate and multivariate analysis. Under multivariate analysis Principal Component Analysis (PCO), Principal Coordinate Analysis (PCA), Cluster Analysis (CA) and Canonical Vector Analysis were done by using GENSTAT 5.5 program.

Source of Information: J. Environ. Sci. & Natural Resources, 6(1): 33 - 36, 2013; ISSN 1999-7361

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Considering diversity pattern and other field performances, the genotypes Serena from cluster II?; BD-4305 from cluster II; BD-4309 and CU937F1 from cluster III, and BD-4256 from cluster IV could be best choice as suitable parents for efficient hybridization program. The inter genotypic crosses between Serena and BD-4305; Serena and BD-4256; Serena and BD-4309; BD-4305 and CU937F1; BD-4305 and BD-4256; BD-4305 and BD-4309 might be suitable choice for future hybridization program.

Knowledge Management: Journal