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Heterosis and correlation analysis of the vegetative components and ajmalicine content in the roots of the medicinal plant catharanthus roseus

Heterosis and correlation analysis of the vegetative components and ajmalicine content in the roots of the medicinal plant catharanthus roseus

Euphytica 32(2): 557-564

ISSN/ISBN: 0014-2336

DOI: 10.1007/bf00021468

The development of the vegetative yield components and ajmalicine content in the roots were studied in 3 pure lines of C. roseus and their hybrids. A significant interaction was found for the various components between the genotypes and the developmental stages of the plant. The F1 hybrids performed generally better than the parents in leaf and root weight but not in ajmalicine content. Significant genetic and environmental correlations were found between the leaf and the root dry weights but not between the vegetative components and the ajmalicine content of the roots. The breeding of pure line cultivars for dual exploitation of the roots and the leaves for their alkaloids seems more appropriate than the use of hybrid cultivars.

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Accession: 005567099

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