Serviceberry Cultivars Tested as Street Trees: Initial Results

Henry D. Gerhold

doi:10.48044/jauf.1999.027

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Figure 1.
Height growth of ‘Cumulus’ (Cu) and ‘Robin Hill’ (RH) serviceberry cultivars at Orrstown (Test 16) and Bedford (Test 34).
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Figure 2.
Height growth of ‘Autumn Brilliance’ (AB) and Tradition® (Tr) serviceberry cultivars at Warren (Test 43) and Union City (Test 57).

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Table 1.

Growth, health, and combined ratings of serviceberry cultivars, derived from data collected for 3 or more years after planting. Average trunk diameter, tree height, and crown width are in the most advanced year; foliage health, branch health, and overall ratings are averaged over all years.

Cultivar	Location	Year	Diameter cm	Height m	Width m	Foliage 1–5^{^z}	Branches 1–5	Overall Overall 1–9^{^y}
‘Autumn Brilliance’	Genesee	6	5.1^{^x}	4.0^{^x}	3.9^{^x}	3.9^{^x}	4.9	8.0^{^w}
	Warren	6	5.1	4.4	3.1	4.8	4.8	7.3
	Reading	6	6.4	4.2	2.5	3.2	3.4	5.0
	Union City	6	6.4	4.2^{^x}	3.4^{^x}	3.1^{^x}	4.4	6.0
	Meadville	3	4.6	4.2	2.8^{^x}	4.4	3.8	7.6
	Blairsville	3	5.6	3.9	1.8^{^x}	4.7	4.9	8.5
‘Cumulus’	Orrstown	6	4.6	3.4	2.4	4.4	4.6	7.5
	Genesee	6	7.1^{^x}	5.4^{^x}	2.9^{^x}	3.4^{^x}	4.9	7.0^{^w}
	Waverly NY	7	5.3	4.2	—	4.0	4.3	6.4
	Del. Water Gap	6	4.8	4.4	2.7	2.9	4.4	5.8
	Bedford	8	9.1	6.4^{^x}	3.0^{^x}	3.6	4.6	6.2
	Reading	6	9.1	5.5	3.2	2.4	3.3	4.5
	Blairsville	3	5.6	4.1	1.3^{^x}	4.5	4.9	8.4
	Williamsport	3	5.6	4.8	1.7^{^x}	4.4	5.0	7.6
‘Princess Diana’	Meadville	3	4.6	3.7	2.4^{^x}	4.4	4.2	7.9
‘Robin Hill’	Orrstown	6	5.6	4.0	2.5	4.4	4.6	7.3
	Waverly NY	6	5.8	4.1	—	4.0	4.2	6.4
	Del. Water Gap	6	5.6	4.6	2.9	2.8	4.7	6.6
	Bedford	8	9.1	5.5^{^x}	3.4^{^x}	3.5	4.4	5.3
	Reading	6	8.6	5.3	2.8	2.1	3.1	5.3
	Williamsport	3	5.3	4.5	1.4^{^x}	3.9	4.1	7.5
Tradition®	Waverly NY	7	6.6	4.4	—	4.0	4.3	6.9
	Warren	6	5.1	4.5	2.9	4.7	4.8	7.1
	Reading	6	5.8	3.5	2.3	3.4	3.6	5.1
	Union City	6	6.1	5.0^{^x}	2.9^{^x}	2.6^{^x}	4.4	5.4

↵z Foliage and branch injury ratings: 1 = 65% to 100%, 2 = 45% to 60%, 3 = 25% to 40%, 4 = 5% to 20%, 5 = less than 5%.
↵y Overall ratings: 0 = unsuitable to 9 = ideal.
↵x Cultivars at the same location differ significantly at the 95% level.
↵w Cultivars at the same location differ in overall rating by at least 1.0.