Table II.

Endogenous BR levels in shoots and roots of Arabidopsis, pea, and tomato

BRBR Level
20-d-Old Arabidopsis15-d-Old pea36-d-Old tomato
ShootsRootsShootsRootsShootsRoots
ng kg−1 fresh wt
6-Deoxocathasterone7901,8006705,1006402,800
6-Deoxoteasterone10017085330150120
3-Dehydro-6-deoxoteasterone180320736701662
6-Deoxotyphasterol5409701,7004,300250480
6-Deoxocastasterone2209011,700630330180
Cathasterone ND2-a NDNDNDNDND
TeasteroneNDNDND2NDND
3-DehydroteasteroneNDNDNDNDNDND
TyphasterolNDNDNDNDNDND
Castasterone150356903814011
BrassinolideTraceTraceND24NDND
  • F2-a  ND, Not detected.