Morphology of ref2 Plants Compared with Wild-Type Plants and with the Glucosinolate Biosynthetic Mutants bus1 and sur2.
(A) Appearance of Columbia wild-type, ref2-1, bus1, and sur2 plants (left to right).
(B) Appearance of 10-day-old etiolated seedlings of Columbia wild-type, ref2-1, ref2-2, bus1, Wassilewskija wild-type, and two seedlings of sur2-1 (left to right).
(C) Hypocotyl-root junction of 2-week-old Columbia (Col) wild-type, ref2-1, bus1, and sur2-1 light-grown seedlings.