Faculty of Biology, University of Latvia
EEB
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Environ Exp Biol (2020) 18: 161–168
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Environmental and
Experimental
Biology

Environ Exp Biol (2020) 18: 161–168

Orginal Paper

Diallel analysis of seven promising genotypes of opium poppy for assessment of their combining ability and efficacy in future genetic improvement programmes

Rashmi Lahiri1*, Jyotshana2, A.K. Verma3, Karuna Shanker2, R.K. Lal1
1 Department of Genetics and Plant Breeding, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India
2 Department of Analytical Chemistry, CSIR – Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India
3 Botanical Survey of India, Central Regional Center, Allahabad 211002, India
* Corresponding author, E-mail: rashmilahirigzb@gmail.com

Abstract

Opium poppy (Papaver somniferum L.) is a widely cultivated plant species, producing a number of pharmaceutically important alkaloids and highly nutritive seeds. In the present investigation, combining ability analysis and reciprocal effect were studied in a 7 × 7 diallel set of opium poppy. Analysis of variance revealed the presence of significant variance due to general combining ability (GCA), specific combining ability (SCA) and reciprocal effect among the parents for all the traits except for codeine content. Combining ability analysis revealed the involvement of both additive and non-additive gene action in the inheritance of most of the traits. On the basis of GCA, SCA effects and per se performance, genotype SPS-20, Sanchita and Ajay were identified as the most eligible parents for future hybridization programmes for better seed yield, development of morphine-less cultivars and quantitative improvement of different types of alkaloid in poppy straw, respectively.

Key words: combining ability, diallel analysis, genetic improvement, opium poppy, Papaver sominferum, reciprocal effect.

 
Environ Exp Biol (2020) 18: 161–168
 DOI: http://doi.org/10.22364/eeb.18.16
EEB

Editor-in-Chief
Prof. Gederts Ievinsh
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University of Latvia

 
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