60 



Table 2-3. Effects of gibberellic acid (100 mg/1 ) on the translocation 



of l^C-labeled 2,4-D in waterhyacinths on the first day post 



treatment; (means expressed as dpm/mg dry weight). 





N 



mean 



min. 



max. 



Std. 

 Error 



Prob. 

 > T 



Treated Petiole 















(minus lamina) 

 With GA 

 Without GA 



3 

 3 



94.58 

 88.50 



78.69 

 81.63 



116.68 

 93.10 



11.40 

 3.50 



0.637 



Other Leaves 

 With GA 

 Without GA 



3 

 3 



2.51 

 1.86 



2.17 

 1.43 



3.18 

 2.16 



0.33 

 0.22 



0.180 



Me ri stem and 

 Youngest Leaf 

 With GA 

 Without GA 



3 

 3 



15.05 

 12.49 



8.66 

 10.60 



19.38 

 14.27 



3.26 

 1.06 



0.497 



Daughter Plants 

 With GA 

 Without GA 



3 

 3 



15.50 



17.74 



7.43 

 16.29 



24.60 



20.19 



4.99 

 1.24 



0.685 



Roots 

 With GA 

 Without GA 



3 

 3 



1.85 

 2.02 



1.78 

 1.90 



1.98 



2.18 



0.06 

 0.08 



0.165 

 0.165 



Total Translocated 

 With GA 

 Without GA 



3 

 3 



13.59 

 12.60 



10.13 

 10.01 



17.20 

 14.00 



2.04 

 1.29 



0.70 



