Table 2.

Leaf dry weight of 11-year-old trees that were root-collar drenched with flurprimidol in 1985.

Treatment 1985Dry weight of 12 leavesz
Pin oakRed mapleWhite ashBlack walnut
19861987198619871986198719861987
(Rate, g)(Month)---------------------------------(cm2)---------------------------------
0-3.3 ab4.2 a3.8 ab4.1 a32.6 a39.0 a27.7 cd47.9 a
2June2.7 b3.0 b1.8 c2.0 c32.9 a32.4 a26.2 cd26.9 Cd
42.5 b1.5 c1.7 c1.8 c28.3 a32.0 a27.7 cd25.5 d
2August2.6 b2.7 b2.2 c1.9 c34.1 a35.5 a26.4 cd23.4 d
42.8 b3.0 b2.6 be1.7 c31.2 a30.1 a29.0 cd23.4 d
2October3.4 ab2.6 b2.6 be1.8 c35.4 a36.4 a26.2 cd39.2 b
42.9 b2.6 b2.5 c1.8 c30.1 a35.3 a26.3 cd33.6 bc
Contrasty-----------------------------------(cm2)-----------------------------------
Linear rate0.010.010.120.01
Quadratic rate0.060.010.630.01
Month effect0.060.230.260.02
  • z Within species, means followed by the same letter do not differ significantly at the 0.05 level.

  • y Any value greater than 0 but less than 0.005 was rounded to 0.01.