@article{fdi:010061734,
  title = {{G}enetic diversity, population structure and differentiation of rice species from {N}iger and their potential for rice genetic resources conservation and enhancement},
  author = {{S}ow, {M}. and {N}djiondjop, {M}. {N}. and {S}ido, {A}. and {M}ariac, {C}{\'e}dric and {L}aing, {M}. and {B}ezan{\c{c}}on, {G}illes},
  editor = {},
  language = {{ENG}},
  abstract = {{R}ice genetic resources conservation and evaluation is crucial to ensure germplasm sources for further crop breeding. {W}e conducted a wide collection of {O}ryza species in {N}iger and characterize its diversity with microsatellites (or simple sequence repeats, {SSR}). {T}he aims of this research were to get a better understanding of the extent of genetic diversity, its structure and partition within rice eco-geographical zones of {N}iger. {T}here were 264 accessions found in farmers' and other fields: 173 {O}. sativa ({A}sia's rice), 65 {O}. glaberrima ({A}frica's rice), 25 {O}. barthii, and 1 {O}. longistaminata (weedy perennial rice), which were genotyped with 18 {SSR}. {A} total of 178 alleles were detected, with a mean of 9.89 alleles per locus. {T}he polymorphism information content was 0.65 and heterozygosity was estimated as 0.14. {T}wo main well-differentiate genotypic groups, which correspond to {A}sian and {A}frican rice species, were identified. {T}he {SSR} set divided the {A}sia's rice group (solely indica) into irrigated and floating rice, with rainfed lowland rice in between. {T}he {A}frican rice species group was composed of {O}. glaberrima, {O}. longistaminata and {O}. barthii accessions, but without any clear genetic differentiation among them likely due admixtures within the samples of {O}. barthii. {F}ive accessions that could be natural interspecific hybrids were too admixed for assigning them to any of the two well-differentiated groups. {T}he partitioning of the overall diversity showed that maximum variation was within genotypic groups and subgroups or cropping ecologies, rather than between eco-geographical zones. {T}he eco-geographical distribution of the diversity suggests germplasm exchange in {N}iger. {N}ext-steps for conserving rice and crop wild relatives in {N}iger could be taken using the findings of this research.},
  keywords = {{C}onservation ; {D}iversity ; {N}iger ; {O}ryza barthii ; {O}. glaberrima ; {O}. sativa ; {R}ice ; {SSR} ; {NIGER}},
  booktitle = {},
  journal = {{G}enetic {R}esources and {C}rop {E}volution},
  volume = {61},
  numero = {1},
  pages = {199--213},
  ISSN = {0925-9864},
  year = {2014},
  DOI = {10.1007/s10722-013-0026-9},
  URL = {https://www.documentation.ird.fr/hor/fdi:010061734},
}