BK Singh and Y
Ramakrishna
Indian Journal of Plant Genetic Resources 27 (3): 263-270, 2014
E-mail:
bksinghkushinagar@yahoo.co.in
Abstract
Twenty-seven genotypes of turmeric (Curcuma longa L.) were evaluated to estimate the
variability and inheritance pattern, to suggest suitable
breeding strategies and to identify productive genotypes.
Highly significant mean squares for all the
traits indicated large variation among
genotypes. High genetic gain through selection is expected for shoot length, leaf area, rhizome yield and dry matter yield because of additive
gene inheritance; while curcumin accumulation in rhizome could be improved by
selecting the heterotic seedlings as it is governed by non-additive gene.
Furthermore, leaf length and curcumin content could be the most effective and
reliable selection indices, as indicated by correlation and path coefficients, in identifying the curcumin-rich productive
genotypes. A variety of North East India ‘Megha Turmeric-1’ excelled
for the traits of commercial importance (dry matter recovery and curcumin
yield). Conclusively, the genotypes of North East India were superior to other
parts of India for most of the economic traits and potentially useful for genetic enhancement as well as for varietal
improvement of turmeric.
Key Words: Curcumin; Heritability; North East India
(NEI); Turmeric (Curcuma longa); Variability; Yield.
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