@article{fdi:010088595,
  title = {{I}mpact of seed origin and genetic drift of improved rice variety {IR}841 in {B}enin},
  author = {{S}edah, {P}. and {D}jedatin, {L}. {G}. and {L}oko, {L}. {Y}. {E}. and {E}wedje, {E}ebk and {O}robiyi, {A}. and {G}bemavo, {C}dsj and {T}offa, {J}. and {T}chakpa, {C}. and {C}ubry, {P}hilippe and {S}abot, {F}ran{\c{c}}ois},
  editor = {},
  language = {{ENG}},
  abstract = {{B}ackground{R}ice production is important for food security in {B}enin, with a national production largely dominated by the cultivation of the aromatic ecotype {IR}841, by far the most appreciated by {B}eninese consumers. {H}owever, to maintain agronomical qualities of a given cultivar, the origin and quality of seeds are mandatory and at the heart of the maintenance of yield and of market requests. {F}ollowing this idea, the objective of the current study was thus to investigate the genetic purity of {IR}841 varieties collected from rice producers across 22 villages in {B}enin in relation to their agronomical performances.{R}esults{F}or this, agromorphological evaluation of 72 accessions based on 13 quantitative descriptors followed by genotyping with the {I}llumina {I}nfinium rice 7 {K} {SNP} array of 9 accessions was carried out in the presence of 2 controls. {A}gromorphologic as well as genetic and phylogenetic analyses revealed two groups, the first one {O}kouta97, {K}oum47, {N}ana30, {M}an118, {A}ng1 and control sample {IR}841-2) was characterized by seed accessions provided by the formal seed system, while the second ({K}oum53, {T}chaka41 and {K}oud46) comprising seeds from local markets or from previous harvests and showing a depression in agronomic performances.{C}onclusion{W}e showed that {IR}841 seed purity is mandatory for the completion of agronomical performance, and that the farmers' choice of seeds must be guided and informed to ensure sustainability and food security.},
  keywords = {{G}enetic drift ; {S}eed origin ; {IR}841 ; {R}ice {B}enin ; {BENIN}},
  booktitle = {},
  journal = {{R}ice},
  volume = {16},
  numero = {1},
  pages = {48 [8 p.]},
  ISSN = {1939-8425},
  year = {2023},
  DOI = {10.1186/s12284-023-00657-w},
  URL = {https://www.documentation.ird.fr/hor/fdi:010088595},
}