TERMINAL FLOWER2, an Arabidopsis Homolog of HETEROCHROMATIN PROTEIN1, Counteracts the Activation of FLOWERING LOCUS T by CONSTANS in the Vascular Tissues of Leaves to Regulate Flowering Time

Shinobu Takadaa,b,1 and Koji Goto (2003) Plant Cell

FT is positively regulated by CONSTANS
The absence of FT expression in the SAM