Flowering in Pisum: Evidence that Gene Sn Controls a Graft-Transmissible Inhibitor

Abstract

Under an 8-hr photoperiod scions of an early pea variety of genotype if e sn hr grafted to stocks (with cotyledons) of a late variety of genotype if e Sn hr flowered several nodes later than either intact, decotyledonized, or self-grafted plants of the early variety.