Evaluation of the genetic diversity of Silybum marianum L. ecotypes using yield components, morphological and phenological traits

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Saghalli A.; FARKHARI M.; SALAVATI A.; ALAMISAEID KH.; ABDALI MASHHADI A.R.

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Journal: IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS Year:2018 | Volume:33 | Issue:6 (86) Page(s): 990-1002

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Title

Evaluation of the genetic diversity of Silybum marianum L. ecotypes using yield components, morphological and phenological traits

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Keywords

Morphological diversityQ1

medicinal plantQ1

oil plantQ1

Silybum marianum L.Q1

breedingQ2

Abstract

This study was aimed to evaluate various ecotypes of Silybum marianum L., collected from different parts of Iran, as well as the Budakalasz variety and two ecotypes from England. The experiment was performed in a Randomized Complete Block Design (RCBD) in the agricultural farm of the Ramin Agriculture and Natural Resources University of Khuzestan. The evaluated traits included yield, yield components, and morphological and phenological traits. Analysis of variance showed statistically significant difference among the traits except phenological traits. Molasani 2 and Shush 2 with 4. 2 and 1. 7 tons/hectare had the highest and lowest yield, respectively. In addition, the yield of Budakalasz variety was estimated to be 2. 2 tons/hectare. The smallest canopy among the study ecotypes belonged to Shush 2. Among the phenological traits studied, only the flowering period was statistically different (α <0. 05) among the ecotypes. The number of capitula per plant, number of seeds per main capitula and 1000-seed weight according to stepwise regression and path analysis were the most effective traits on yield. Days to stem elongation indirectly influenced the yield via its effects on the number of capitula per plant and the seed number of main capitula. A total of 97 percent of yield variance was explained by four variables entered in the regression model. The resulted dendrogram based on squared Euclidean distance and Ward’ s algorithm divided ecotypes into three main clusters. This grouping did not perfectly match with the geographical distribution pattern. The results indicated that there was high diversity in the morphological traits of milk thistle ecotypes, so that the ecotypes could be applied in breeding programs.

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APA: Copy

Saghalli, A., FARKHARI, M., SALAVATI, A., ALAMISAEID, KH., & ABDALI MASHHADI, A.R.. (2018). Evaluation of the genetic diversity of Silybum marianum L. ecotypes using yield components, morphological and phenological traits. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 33(6 (86) ), 990-1002. SID. https://sid.ir/paper/105627/en

Vancouver: Copy

Saghalli A., FARKHARI M., SALAVATI A., ALAMISAEID KH., ABDALI MASHHADI A.R.. Evaluation of the genetic diversity of Silybum marianum L. ecotypes using yield components, morphological and phenological traits. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2018;33(6 (86) ):990-1002. Available from: https://sid.ir/paper/105627/en

IEEE: Copy

A. Saghalli, M. FARKHARI, A. SALAVATI, KH. ALAMISAEID, and A.R. ABDALI MASHHADI, “Evaluation of the genetic diversity of Silybum marianum L. ecotypes using yield components, morphological and phenological traits,” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 33, no. 6 (86) , pp. 990–1002, 2018, [Online]. Available: https://sid.ir/paper/105627/en

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