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The European Arabidopsis Stock Centre

NASC Stock Detail Page


Name: Late flowering

ABRC stock number: CS109

Description: Flowering

Donation Date: 1991-06-01

Donated by:  Wageningen University Maarten Koornneef

Donor Number: fpa-1

Stock type: individual line

Material type: seed

Status Price (£)
Available £11.00

Germplasm Info

Seed type: Single marker

Mutagen: ethylmethane sulfonate

Background: Ler

Associated Polymorphisms

When available, select a locus to display it at the AIP or view the EMBL record at the EBI.

Gene: Allele: Locus: AGI code:
  • fpa-1
  • fpa


Like fca (flowers later with proportionally more rosette leaves. Vernalization treatment greatly reduces time to flowering. Short days significantly increase time to flowering) but less extreme.


Koornneef, M., Hanhart, C.J. & van der Veen, J.H. 1991. A genetic and physiological analysis of late flowering mutants in Arabidopsis thaliana. Molecular & general genetics 229(1):57-66.PubMed ID: 1896021.