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  2. Crop Science A5
  3. ICAR-Indian Institute of Rice Research G7
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Please use this identifier to cite or link to this item: http://krishi.icar.gov.in/jspui/handle/123456789/52817
Title: Development of coreset of aromatic rice (Oryza sativa L. Indica) based on molecular and morphological diversity
Other Titles: Not Available
Authors: Satish Kumar S, Praveen Kumar R, Maddala SRSCS, Rao DS, Sundaram RM, Gopalakrishnan S, Singh AK, Kuldeep Singh, Subba Rao LV, Shobha Rani N and Madhav MS
ICAR Data Use Licennce: http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf
Author's Affiliated institute: ICAR::Indian Institute of Rice Research
Published/ Complete Date: 2021-01-03
Project Code: Not Available
Keywords: Aromatic rice
germplasm
DUS characters
PowerCore
SSR markers
Publisher: Not Available
Citation: P, S.K., R, P.K., Maddala, S.S. et al. Development of coreset of aromatic rice (Oryza sativa L. Indica) based on molecular and morphological diversity. Genet Resour Crop Evol 68, 441–450 (2021). https://doi.org/10.1007/s10722-020-01074-4
Series/Report no.: Not Available;
Abstract/Description: Aromatic rice (Oryza sativa L. Indica) is popular among consumers. They provide significant economic benefit to producing countries as well as farmers. Aromatic germplasm is huge and diverse in terms of agro-morphological characters, grain types and aroma content. Development of a representative coreset of aromatic germplasm can be a good source for novel alleles identification and is required for its improvement. A collection of 552 aromatic accessions were screened for 40 DUS traits and 60 SSR markers. The data were processed in PowerCore software that implements the advanced M (or maximization) strategy using a modified heuristic algorithm and a coreset of 99 accessions was identified. The average Nei diversity and Shannon–Weaver diversity indices of the coreset were 0.635 and 0.823, representing the entire diversity of the collection. Statistical parameters like mean difference and variance difference were analysed to compare the mean and variance ratio between core and entire collections. Coreset has 3.45% mean difference and 14.4% variance difference. The coreset has 99.04% coincidence rate and 106.31% variable range which indicated the optimum properties of the coreset against the entire collection. This is the first attempt of making coreset of aromatic rice from larger germplasm.
Description: Not Available
ISSN: Not Available
Type(s) of content: Research Paper
Sponsors: Not Available
Language: English
Name of Journal: Genetics Resources and Crop Evolution
NAAS Rating: 7.07
Impact Factor: 1.713
Volume No.: 68
Page Number: 441–450
Name of the Division/Regional Station: Not Available
Source, DOI or any other URL: https://doi.org/10.1007/s10722-020-01074-4
URI: http://krishi.icar.gov.in/jspui/handle/123456789/52817
Appears in Collections:CS-IIRR-Publication

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