Fireblight Susceptibility, Growth and Other Characteristics in Ornamental Pears in Alabama

Article Figures & Data

Table 1. Characteristics of Pyrus calleryana cultivars

	Aristocrat	Autumn Blase	Bradford	Capital	Cleveland Select	Early red	Fauriei	Red-spire	White house	Pvrus calleryana
Planted in test	1980	1981	1980	1984	1984	1983	1983	1983	1984	1980
Height growth by 1989, m^{^z}	7.4	-	6.9	5.1	5.2	5.0	5.3	5.8	4.4	7.8
Avg annual height growth,cm	68	56	64	75	77	59	69	75	60	80
Caliper growth by 1989,cm	23	-	22	10	10	11	13	13	8	19
Avg annual caliper growth,cm	2.3	1.4	2.2	1.5	1.6	1.5	1.8	1.8	1,2	2.1
Tiao of flowering^{^y}	MM-LM	EM-MM	EM-MM	EM-MM	EM-MM	EM-MM	EM-MM	EM-MM	MM-LM	EM-MM
Duration of flowering,days	7-10	7-10	7-10	7-10	7-10	7-10	7-10	7-10	7-10	7-10
Interesting fall color^{^x}	-	r	r-y-o	y-o	y-o	O	o	y-o	y-o	y-o
Time of fall color^{^m}	-	LO-EN	MN-LN	MN-LN	MN-LN	MN-LN	MN-LN	MN-LN	MN-LN	MN-LN
Fruiting	yes	no	no	no	no	no	no	yes	no	yes
Problems, fireblight	heavy	heavy spines	light	light	light leaf spot^{^v}	heavy	light	light	light	1ight leaf spot

↵z Height and caliper measured October 1989; all Autumn Blaze ware dead. Existing Autumn Blaze were Measured October 1988.
↵y Time of flowering coded by EM - early March, MMN - mid-March, LM - late March.
↵k Fall color coded by r-red, y»yellow, o»orange.
↵m Time of fall color coded by LO - late October, EN ≡ early November, MN - raid-November, LN - late November.
↵v aitemayia spp. leaf spot.