Table 1.

Timing of cambial reactivation, differentiation of first vessel elements and bud development in seedlings of Quercus serrata

	Stages of cambial reactivation and differentiation of first vessel elements				Stage of bud development
Date	Control	Disbudding	Heating	Heating plus disbudding	Control	Heating
1 February	Dormant	–	–	–	Winter bud	Winter bud
17 February	Dormant	Dormant	Dormant	Dormant	Winter bud	Winter bud
13 March	Dormant	Dormant	Cambial reactivation	Cambial reactivation	Winter bud	Winter bud
27 March	Dormant	Dormant	Deposition of secondary wall in vessel elements	Deposition of secondary wall in vessel elements	Winter bud	Winter bud
13 April	Cambial reactivation and expansion of vessel elements	Cambial reactivation			Swelling	Swelling
25 April	Deposition of secondary wall in vessel elements	Deposition of secondary wall in vessel elements			Bud break	Bud break