Volume: 36 Issue: 2
Genetic diversity study of Tagetes Linn. (Asteraceae)
Year: 2014, Page: 49-58, Doi: https://doi.org/10.62029/jmaps.v36i2.S
Received: Jan. 12, 2012 Accepted: Nov. 18, 2013 Published: July 1, 2014
Present study was conducted to access genetic diversity among 10 genotypes of two species of Tagetes i.e., Tagetes erecta (6 cultivars) and Tagetes patula (4 cultivars). Though Tagetes possesses great economical value, little attention has been paid for its genetic improvement. Four polymorphic isozyme systems (AAT, MDH, EST and PRX) were selected for cultivar identification. In isozyme analysis, peroxidase was able to differentiate both the species. Esterase showed large number of alleles and polymorphism to differentiate the two species as well as cultivars of the same species. The data would be important in detailing the level of variation and relationship within and between species to plan future domestication trials in Tageties.
Keywords: Genetic diversity, Genotypes, Isozyme, Tagetes erecta, Tagetes patula
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© Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow (India)
Chithra S, Rajalakshmi R. 2014. Genetic diversity study of Tagetes Linn. (Asteraceae). J Med Aromat Plant Sci 36: 49-58.
