Article3 Biotech2019
Optimization of in vitro culture media for improvement in yield of Navara ancient Indian medicinal rice.
Article in 3 Biotech, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Tissue culture optimization and genome editing for yield improvement of an Indian rice landrace Chittimuthyalu.Transgenic research · 2025Article
- Indirect organogenesis for high frequency shoot regeneration of two cultivars of Sansevieria trifasciata Prain differing in fiber production.Scientific reports · 2022Article
Corrections and comments
- Erratum issued
Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Medicinally important ancient Navara rice (GI Kerala, India 2007) is a very short duration (60-70 days) variety with a yield of only 0.5 tonnes/hectare costing ~ Rs. 400/kg. It is used for indigenous treatment for chronic diseases by local and oral consumption. In this study, scutellum-derived calli were generated from mature Navara seeds and these were inoculated on different CIM-1 to CIM-5 media supplemented with 2.5 mg/l 2,4-dichlorophenoxyacetic acid. Regeneration of calli on different regeneration media RI, RII and RIII media were performed. Regeneration of 30-day-old calli on RI media showed 30%, for RII it showed no regeneration and on RIII media only 12% regeneration was obtained. The addition of glutamine and proline showed a 30-40% improvement in somatic embryogenesis. The 74-88% callus induction frequency was obtained on CIM-1 to CIM-5. The fresh weight (mg) of 30-day-old calli is CIM-2 < CIM-3 < CIM-4 < CIM-1 << CIM-5 and corresponding size shows CIM-2-CIM-3 < CIM-5 < CIM-1 < CIM-4. A negative correlation between the callus fresh weight and the regeneration efficiency was observed. In CIM-5, 20-25 days 3.4-fold increase and 25-30 days a 1.7-fold increase in fresh weight of calli is noted. The 20-day-old calli transfer to RI media shows 80% regeneration frequency and 6-7 plantlets/callus, which are twofold higher as compared with 30-day-old calli. The somatic embryogenesis and its regeneration on synthetic media provide an alternative for biotechnological intervention for yield improvement, in turn cost reduction for Navara rice.
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