Study of flower yield variation in Rosa damascena L. genotypes of Kashan

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Research Institute of Forests and Rangelands, P.O.Box 13185 Tehran. Iran r.<.r: .rti-.ia- -1 16

Abstract

Rosa damascena genotypes from three areas of Kashan, were cultivated at the experimental field of Research Institute of Forests and Rangelands, using a three replicated randomized complete blocks design. Six genotypes were compared based on different traits including flower yield in 2001. Evaluation of the obtained data was performed using ANOVA, mean classification, correlation, and cluster analyses. Genotypes showed significant differences in terms of the measured traits. Comparison of means, classified the genotypes in 2, 3 and 2 groups, based on flower number, yield and flower weight, respectively. It could be concluded from the results of different analyses that although the genotypes could be grouped based on geographical origins, flower yield and number could be used as appropriate selection factors for classification of damask rose genotypes.

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