Field studies of variability of origanum vulgare l. Based in some important quantitative and qualitative parameters

KADIASI  NAJADA1, SHEHU ISUF1 , ELEZI FETAH 2 AND IBRALIU ALBAN1*

1 Department of Crop Sciences and Technology, Faculty of Agriculture and Environment, Agricultural University of Tirana, Albania

2Albanian Gene Bank, Tirana, Albania

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Abstract

Quantitative and qualitative parameters of 26 of Oregano (Origanum vulgare L.) populations  tested in a Randomized Complete Block Design (RCBD) with three  replications during 2014 growing season in E.D.E. Valias were analyzed. The objectives were to evaluated  the genotype-morpho-biometric data  interactions (GMBI),  the effects of seven  quantitative and qualitative parameter on variability of oregano (Origanum vulgare ssp. hirtum (Link) letswaart and Origanum vulgare  ssp. vulgare) during the full bloom periods to determine diversity of this species for using in future breeding programs  by using quantitative and qualitative parameters. In this investigation all quantitative and qualitative characters were evaluated using R statistical software. Highly significant correlations were found among the characters Principal component analysis (PCA) explained about 85% of the variation between main effective characters such as high of plant, number of stems, number of leaves on main stem, number of internodes, leaves densities,  ration length/width          , length leaves petiole, length of flowering. Based on the quantitative traits, oregano populations can be classified into five groups.

Key words: Origanum vulgare,  Subspecies, Genetic resources, Quantitative and qualitative characters, Cluster analysis

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