Agro-morphological and molecular diversity in castor (Ricinus communis L.) germplasm collected from Andaman and Nicobar Islands, India

Meena Kanti, Kammili Anjani, Betha USHA Kiran and K. Vivekananda
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Meena Kanti: Central Research Institute for Jute and Allied Fibres, Barrackpore, India
Kammili Anjani: Directorate of Oilseeds Research, Hyderabad, India
Betha USHA Kiran: Directorate of Oilseeds Research, Hyderabad, India
K. Vivekananda: Directorate of Oilseeds Research, Hyderabad, India

Czech Journal of Genetics and Plant Breeding, 2015, vol. 51, issue 3, 96-109

Abstract: Castor (Ricinus communis L.) is an industrial oilseed crop grown worldwide. Its oil with more than 80% ricinoleic acid makes it a chief raw material for numerous industrial applications and biofuel production. Castor grows in a wild form across India including Andaman & Nicobar Islands, which are geographically quite isolated from mainland India. Thirty-three accessions growing in isolation in these Islands were used in the present study. Genetic diversity among these accessions was assessed using 18 agro-morphological traits and 29 EST-SSR markers. High agro-morphological and molecular variability was observed among these accessions. Both agro-morphological traits and EST-SSR markers effectively discriminated the accessions. However, EST-SSRs separated the accessions into more groups than did agro-morphological data, implying high efficiency and resolution of EST-SSR markers in genetic analysis of castor germplasm from Andaman & Nicobar. The diverse accessions identified in the present investigation would serve as genetically diverse sources in castor breeding programmes.

Keywords: agro-morphological traits; EST-SSRs; genetic diversity; polymorphism (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:51:y:2015:i:3:id:205-2014-cjgpb

DOI: 10.17221/205/2014-CJGPB

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