Table 2
The effect of age on the relationship of endogenous GA and ABA in seeds of
Fraxinus americana
L.
Age of seed (yrs)
Hormone in excess
Difference between ABA and GA (ug)
GA: ABA ratio
1
GA
0.41
1.44
3
ABA
0.28
0.78
4
ABA
0.67
0.59
5
ABA
0.32
0.75
6
ABA
0.30
0.75
7
ABA
0.23
0.80
10
ABA
0.20
0.82