Establishment Rates for Different Bareroot Grades of Trees

Margaret Litzow; Harold Pellett

doi:10.48044/jauf.1982.060

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Table 1.

Final average diameter, average % increase in diameter and % survival for different grades of green ash after three growing seasons.

Tree grade	Hyland Park			Arboretum
Tree grade	Final diameter (cm)	% Increase	% Survival	Final diameter (cm)	% Increase	% Survival
3′ Whip^*	2.0^**	88	33	4.1	305a	100
4′ Whip	2.4^**	69	20	5.2	288a,b	100
5′ Whip	2.6	75	80	5.4	243b,c	100
3′ Branched	2.5	57	40	5.2	251b	100
4′ Branched	3.0^**	74	20	5.5	198c	100
8′ Branched	3.7	26	100	6.3	108d	100
1¼″	4.3	22	60	6.7	85d	100
1 ½″	4.9	19	80	6.5	69d	100
1¾″	5.3	11	60	7.1	65d	100
2″ Bareroot	5.6	10	100	7.6	60d	100
2″ Balled & Burlapped	5.6	15	100	7.9	57d	100

↵*Only three trees of this grade were planted at Hyland Lake Park
↵**Based on one tree
*Mean separation by Duncan’s multiple range test, 5% level. Means not followed by the same letter differ significantly at the 5% level.

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Table 2.

Average diameter increase, average % increase in diameter and % survival for different grades of ‘Greenspire’ littleleaf linden and Norway maple after one and two growing seasons.

Tree grade	First Year			Second Year
Tree grade	Increase in diameter (cm)	% Increase	% Survival	Increase in diameter (cm)	% Increase	% Survival
‘Greenspire’ Linden
6′ Branched	0.1	3	80	0.4	20	60
7′	0.1	5	60	0.9	38	60
1 ½ ″	0.1 ^*	2	20	0.4^*	9	20
Norway Maple
4′ Whip	0.1	11	100	0.9	89	100
6′ Whip	0.2	18	100	1.1	82	100
1 ″	0.1	3	100	0.7	23	100
1¼″	0.2	4	100	0.6	17	100