Second vegetative flush
020 Dormancy: leaf buds are closed and covered by green or
brownish scales (Aubert and Lossois: vegetative stage A).
021 Beginning of leaf bud swelling: bud scales begin to separate.
023 End of leaf bud swelling: scales completely separated, lightgreen buds emerged (Aubert and Lossois: vegetative stage B).
027 Beginning of bud break: light green to dark coppery tan leaf
tips just visible (Aubert and Lossois: vegetative stage C).
029 Bud break: light green to dark coppery tan leaf tips visible
5–10 mm above bud scales (Aubert and Lossois: vegetative stage
D).
019 Bud break: light green to dark coppery tan leaf tips visible
5–10 mm above bud scales (Aubert and Lossois: vegetative stage
D)