Variability pattern and correlation studies in Silybum marianum Gaertn

Ram, G.; Bhan, M. K.; Gupta, K. K.; Thaker, Brijesh; Jamwal, Urmila; Pal, Sumit

doi:10.1016/j.fitote.2004.10.006

Cited by 24 publications

(24 citation statements)

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“…The higher the value of genetic variation, the higher the value of heritability, thus facilitating the selection of individuals that will provide superior characteristics for breeding. Ram et al (2005) found high values for the coefficient of genetic variation in Silybum marianum, with subsequent high values of heritability for plant height, stalk diameter, and number of capsules per plant.…”

Section: Resultsmentioning

confidence: 91%

Heritability and genetic correlation in daylily selection

et al. 2011

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Daylily (Hemerocallis 9 hybrida Hort.) is a popular ornamental plant and hybrid cultivars are frequently selected for medium size, large number of flowers per stem, and flower color diversity. However, daylily selection is limited due to the lack of information on genetic parameters and their correlation to phenotypic characteristics. This study aimed at estimating genetic parameters and genetic correlations among full sib families of 13 daylily cultivars using REML/BLUP (restricted maximum likelihood/ best linear unbiased prediction) and to select families with high genotypic values for plant height and number of floral buds per stem. Crosses were performed among those cultivars and 24 families were obtained. In the third year, plant height, leaf length and width, stem number, number of floral buds per stem, and number of floral buds per plant were evaluated. The estimates of average heritability of families were superior to the estimates of restrict individual heritability for all characters evaluated. High heritability estimates were obtained for plant height, leaf length, leaf width, stem number, and number of floral buds per plant. Selected families showed genetic gain of 19.80% for plant height, 32.48% for stem number, and 38.64% for number of floral buds per plant.

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Section: Resultsmentioning

confidence: 91%

Heritability and genetic correlation in daylily selection

et al. 2011

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“…Additionally differences in extraction and analysis may also be responsible for these differences. The content of silymarin compounds in milk thistle has shown a correlation with genetic and physiological factors, such as achene yield (Andrzejewska and Sadowska, 2008;Ibrahim et al, 2007;Ram et al, 2005), 1000 achene weight, flowering date, as well as height and capitula diameter (Shokrpour et al, 2008).…”

Section: Target Phenolics and Flavonoids Contentmentioning

confidence: 99%

Phenolic profile and in vitro antioxidant power of different milk thistle [Silybum marianum (L.) Gaertn.] cultivars

Lucini

Kane

Pellizzoni

et al. 2016

Industrial Crops and Products

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“…Ibrahim et al (2007) observed that the silymarin production has the same pattern of achene yield trait, so selection should be based on this trait to produce new improved yielding silymarin genotypes. Moreover, Andrzejewska and Sadowska (2008) and Ram et al (2005) observed that the achene yield/plant had a positive significant correlation with silymarin content.…”

Section: Breeding Of Milk Thistle Cropmentioning

confidence: 95%

“…S. eburneum (green milk thistle) High isosilychristin Martin et al (2006) plant had highest estimates of genotypic variation, heritability and genetic advance which suggest that direct selection for these traits is suitable for the improvement of milk thistle. Number of heads/plant had a significant positive correlation with the number of branches/plant and leaf length (r=0.339 and 0.754, respectively), whereas achene yield/plant had a positive significant correlation with leaf length, stem diameter and head diameter (r=0.683, 0.314, and 0.348, respectively) (Ram et al, 2005). Andrzejewska and Sadowska (2008), Ottai and Abdel-Moniem (2006) and Gresta et al (2006) reported that seeds yield had a high positive significant correlation with plant height.…”

Section: Breeding Of Milk Thistle Cropmentioning

confidence: 99%

“…Shokrpour et al (2011) observed considerable variation among the studied genotypes for the milk thistle yield components (achene number per head, achene weight in head and head diameter). Furthermore, Ram et al (2005) reported that the seed yield/plant and number of heads/ 1.51-2.00 Haban et al, (2009) tolerant genotypes in milk thistle. In Iran, 'Ghaemieh' ecotype is recognised as drought tolerant (Deliri et al, 2010).…”

Section: Enhanced Achene Yield and Silymarin Contentmentioning

confidence: 99%

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Breeding Objectives and Selection Criteria for Milk Thistle [<i>Silybum marianum</i> (L.) Gaertn.] Improvement

Alemardan

Karkanis

Salehi

2013

Not Bot Hort Agrobot Cluj

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Milk thistle [Silybum marianum (L.) Gaertn.] is an important medicinal-industrial plant. The medicinal compounds of milk thistle are derived from its seeds. The plant is commercially cultivated for the production of silymarin. Cultivation offers the opportunity to optimise achene yield and silymarin content. Furthermore, efforts should be made to develop new cultivars. The main objective of milk thistle breeding is to develop high yielding cultivars with elevated silymarin content. There are few developed cultivars of milk thistle (e.g. Argintiu, Budakalaszi, Szibilla, Khoreslo, Babak Castle, Mirel, Silma and Silyb). Different genotypes of milk thistle have variable amount of silymarin e.g. a 'Royston' genotype is rich in silymarin (6-10%). Further progress can be made by using the genetic diversity available in abundance in different genotypes. The main concern of the breeder should be to increase the yield and silymarin contents of the seeds. Asynchronous flowering and seed shedding are also major problems in milk thistle cultivation. At the time of harvest, the plants have flower heads at all stages of development resulting non-uniform maturation of seeds. Therefore, a breeding effort in milk thistle should be planned to obtain plants with simultaneous flowering and reduced crop losses. The developed cultivar Argintiu is characterised by simultaneous seed maturation in flower heads. The wild populations, as valuable gene pools, could be exploited for the improvement of milk thistle crop.

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Variability pattern and correlation studies in Silybum marianum Gaertn

Cited by 24 publications

References 1 publication

Heritability and genetic correlation in daylily selection

Heritability and genetic correlation in daylily selection

Phenolic profile and in vitro antioxidant power of different milk thistle [Silybum marianum (L.) Gaertn.] cultivars

Breeding Objectives and Selection Criteria for Milk Thistle [<i>Silybum marianum</i> (L.) Gaertn.] Improvement

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