Identification of Zinc-rich rice accessions using XRF analysis in O. glaberrima and O. sativa minicore collections

Micronutrient deficiency is increasingly recognized as a major challenge to food and nutrition security, particularly in developing countries. There is a growing consensus on the importance of food-based approaches to address this issue. The broad genetic diversity present in plant genetic resources offers valuable opportunities to identify micronutrient-rich genotypes for direct consumption or for use in crop improvement through breeding strategies. For instance, zinc concentration in unpolished brown rice has been reported to range from 14.5 to 35.3 mg/kg (Maganti et al., 2020). Using X-ray fluorescence (XRF), we analyzed the nutritional composition of 700 accessions derived from minicore collections of Oryza glaberrima and Oryza sativa. Our results identified 75 zinc-rich rice accessions (37 O. glaberrima and 38 O. sativa). Zinc concentration in unpolished grains ranged from 30 to 39.5 mg/kg, with six accessions (3 O. glaberrima and 3 O. sativa) showing particularly high levels between 35 and 39.5 mg/kg.

Type of subset
Selective
Method of selection
X-ray fluorescence (XRF)
Crop
rice
Number of accessions
75
FAO WIEWS Institute
Creation date
July 29 2025
Published in Genesys
3 days ago
Subset metadata

Subset creators


Data manager
Clinton Obinna Ogwuike Africa Rice Center
Data collector
Arnaud Gouda Africa Rice Center
Data digitizer
Arnaud Gouda Africa Rice Center
Data curator
Marie-Noelle Ndjiondjop Africa Rice Center

Data and resources


MCPD passport data

MCPD - 75f8333b-648f-4dc9-adea-5c743768c72c.xlsx

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Accessions

List of accessions included in the subset

2. WAB0004692Oryza sativa L. subsp. indica S.Kato • CHOKOTO • Traditional cultivar/Landrace • JPN
CIV033 • DOI: 10.18730/H9NKC
3. WAB0007088Oryza sativa L. subsp. japonica S.Kato • WAB519-55-3 • Advanced/improved cultivar • CIV
CIV033 • DOI: 10.18730/HB5T1
4. WAB0007101Oryza sativa L. subsp. japonica S.Kato • IDSA 85 • Advanced/improved cultivar • CIV
CIV033 • DOI: 10.18730/HB67E
5. WAB0007125Oryza sativa L. subsp. indica S.Kato • INDIAN NDINGO • Traditional cultivar/Landrace • GMB
CIV033 • DOI: 10.18730/HB6Z1
6. WAB0007127Oryza sativa L. subsp. indica S.Kato • KONSUNKUTO MANO • Traditional cultivar/Landrace • GMB
CIV033 • DOI: 10.18730/HB713
7. WAB0008153Oryza sativa L. subsp. indica S.Kato • TOS 472 • Traditional cultivar/Landrace • PLW
CIV033 • DOI: 10.18730/HBVS1
8. WAB0008207Oryza sativa L. subsp. indica S.Kato • TOS 662 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HBX47
9. WAB0008292Oryza sativa L. subsp. indica S.Kato • TOS 1143 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HBYKH
10. WAB0008294Oryza sativa L. subsp. indica S.Kato • TOS 1304 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HBYNK
11. WAB0008756Oryza sativa L. subsp. indica S.Kato • TOS 5798 • Traditional cultivar/Landrace • LBR
CIV033 • DOI: 10.18730/HQCG$
12. WAB0008759Oryza sativa L. subsp. indica S.Kato • TOS 5804 • Traditional cultivar/Landrace • LBR
CIV033 • DOI: 10.18730/HQEDN
13. WAB0008820Oryza sativa L. subsp. indica S.Kato • TOS 5893 • Traditional cultivar/Landrace • LBR
CIV033 • DOI: 10.18730/HQK7V
14. WAB0009004Oryza sativa L. subsp. japonica S.Kato • TOS 6847 • Traditional cultivar/Landrace • ZWE
CIV033 • DOI: 10.18730/HC7RE
15. WAB0009435Oryza sativa L. subsp. indica S.Kato • TOS 7610 • Traditional cultivar/Landrace • CMR
CIV033 • DOI: 10.18730/HCFTD
16. WAB0009524Oryza sativa L. subsp. indica S.Kato • TOS 7748 • Traditional cultivar/Landrace • TZA
CIV033 • DOI: 10.18730/HCHY7
17. WAB0009832Oryza sativa L. subsp. indica S.Kato • TOS 8190 • Traditional cultivar/Landrace • CIV
CIV033 • DOI: 10.18730/HCSJX
18. WAB0010648Oryza sativa L. subsp. indica S.Kato • TOS 9658 • Traditional cultivar/Landrace • CIV
CIV033 • DOI: 10.18730/HD45=
19. WAB0010715Oryza sativa L. subsp. indica S.Kato • TOS 9800 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HD5XH
20. WAB0012084Oryza sativa L. subsp. indica S.Kato • TOS 12643 • Traditional cultivar/Landrace • MYS
CIV033 • DOI: 10.18730/HDHHK
21. WAB0012102Oryza sativa L. subsp. indica S.Kato • TOS 12670 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HDHY*
22. WAB0012103Oryza sativa L. subsp. japonica S.Kato • TOS 12671 • Traditional cultivar/Landrace • IND
CIV033 • DOI: 10.18730/HDHZ~
23. WAB0014150Oryza sativa L. subsp. indica S.Kato • TOS 15532 • Traditional cultivar/Landrace • BFA
CIV033 • DOI: 10.18730/HE9MD
24. WAB0015789Oryza sativa L. subsp. indica S.Kato • IR 29708-23-1-2-2 • Breeding/Research Material • PHL
CIV033 • DOI: 10.18730/HES1S
25. WAB0018102Oryza sativa L. subsp. japonica S.Kato • NERICA 4 • Advanced/improved cultivar • CIV
CIV033 • DOI: 10.18730/SCPG4
26. WAB0019532Oryza sativa L. subsp. indica S.Kato • WAT83-TGR-3-4 • Breeding/Research Material • NGA
CIV033 • DOI: 10.18730/HGFCS
27. WAB0019623Oryza sativa L. subsp. japonica S.Kato • NERICA 15 • Advanced/improved cultivar • CIV
CIV033 • DOI: 10.18730/SCPN9
28. WAB0022359Oryza sativa L. subsp. indica S.Kato • TOS 8129 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HH9C6
29. WAB0024938Oryza sativa L. subsp. indica S.Kato • TOS 7380 • Traditional cultivar/Landrace • SLV
CIV033 • DOI: 10.18730/HHZ83
30. WAB0025017Oryza sativa L. subsp. japonica S.Kato • TOS 9134 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HJ0SF
31. WAB0025389Oryza sativa L. subsp. indica S.Kato • TOS 16235 • Traditional cultivar/Landrace • BFA
CIV033 • DOI: 10.18730/HJ93P
32. WAB0026547Oryza sativa L. subsp. indica S.Kato • FONAIAP 2000 • Advanced/improved cultivar • VEN
CIV033 • DOI: 10.18730/HJXWN
33. WAB0027170Oryza sativa L. subsp. japonica S.Kato • TOS 6933 • Traditional cultivar/Landrace • SLE
CIV033 • DOI: 10.18730/HQE19
34. WAB0027227Oryza sativa L. subsp. indica S.Kato • TOS 9035 • Traditional cultivar/Landrace • NGA
CIV033 • DOI: 10.18730/HK9CK
35. WAB0027244Oryza sativa L. subsp. japonica S.Kato • TOX 1779-3-3-201-1B • Breeding/Research Material • NGA
CIV033 • DOI: 10.18730/HK9V$
36. WAB0029264Oryza barthii A. Chev. • DIAKAO OUADEO A • Traditional cultivar/Landrace • MLI
CIV033 • DOI: 10.18730/HKFHZ
37. WAB0029278Oryza sativa L. subsp. indica S.Kato • DAMBOU • Traditional cultivar/Landrace • MLI
CIV033 • DOI: 10.18730/HKFY7
38. WAB0037303Oryza sativa L. subsp. indica S.Kato • BDI14-138 • Traditional cultivar/Landrace • BDI
CIV033 • DOI: 10.18730/SCFJ4
39. WAB0040495Oryza glaberrima Steud. • TOG 5573 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGQV5
40. WAB0040501Oryza glaberrima Steud. • TOG 8046 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGR1B
41. WAB0040544Oryza glaberrima Steud. • TOG 7435 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGSCH
42. WAB0040551Oryza glaberrima Steud. • TOG 5837 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGSKR
43. WAB0040552Oryza glaberrima Steud. • TOG 9030 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGSMS
44. WAB0040558Oryza glaberrima Steud. • TOG 6216 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGSTZ
45. WAB0040583Oryza glaberrima Steud. • TOG 7977 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGTKK
46. WAB0040584Oryza glaberrima Steud. • TOG 7682 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGTMM
47. WAB0040585Oryza glaberrima Steud. • TOG 7642 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGTNN
48. WAB0040593Oryza glaberrima Steud. • TOS 6833 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGTXX
49. WAB0040602Oryza glaberrima Steud. • TOG 5700 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGV61
50. WAB0040614Oryza glaberrima Steud. • TOG 5638 • Other genetic stocks • BEN
CIV033 • DOI: 10.18730/1KGVJD