Vol. 51—1997 - NorthEastern Weed Science Society

99
Table 2. The ave ge circling root rating of perennial ryegrass and ajuga planted into 2.5 gallon
nursery ontainers. The treatments were painted on the inside of the containers on June
29, 199 . A crop of pyracantha was grown in 1995 and Harvested. The ryegrass was
planted n May 2 and evaluated and discarded on July 12, 1996. The ajuga were planted
in a new medium on July 28 and rated October 24, 1996. Root circling was rated on a
scale of to 10, with 1=no circling roots and 10=many circling roots. The average of
10 plan per treatment is presented.
Root Circlingll.~__
Ryegrass
Ajuga
9.2 a 9.6 a
9.6 a 10.0 a
2.8 be 6.4 b
3.5 b 6.1 b
2.2 cd 3.2 cd
1.5 de 3.6 c
1.0 e 2.4 de
1.3 e 2.2 e
II Means within columns, followed by the same letter, do not differ at the 5% level of
signifi ce (DMRT).
Table 3. The ave ge circling root rating of euonymus, forsythia, and pyracantha planted in May 7
and rat on October 24, 1996. Root circling was rated on a scale of 1 to 10, with 1=
no circli g roots and 10=many circling roots. Treatments were painted in the inside of 2
gallon n sery containers. The average of 5 plants per treatment is presented.
Root Circlingll-=-__ -:-
Euonymus Forsythia Pyracantha
10.0 a 9.2 a 10.0 a
3.4 be 3.8 c 4.6 b
3.0 c 3.0 c 2.6 c
3.0 c 7.8 ab 1.2 d
3.2 c 6.6 b 1.4 d
2.6 c 4.6 c 1.2 d
4.6 b 3.0 c 2.4 c
2.4 c
3.4 be
4.0 c
6.6 b
1.2 d
1.2 d
II Means within columns, followed by the same letter, do not differ at the 5% level of
signifi ce (DMRT).