61 



Table 2-4. Effects of gibberellic acid (100 mg/1 ) on the translocation 



of 14 C-labeled 2,4-D in waterhyacinths on the third 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 

 4 



131.41 

 121.45 



59.26 

 81.24 



167.99 

 175.91 



36.08 

 19.82 



0.805 



Other Leaves 

 With GA 

 Without GA 



3 

 4 



5.89 

 3.86 



2.49 

 2.69 



11.84 

 5.21 



2.98 

 0.68 



0.473 



Men stem and 

 Youngest Leaf 

 With GA 

 Without GA 



3 



4 



19.34 

 27.68 



10.17 

 21.77 



24.50 

 39.94 



4.59 

 4.17 



0.240 



Daughter Plants 

 With GA 

 Without GA 



3 



4 



17.29 

 21.66 



11.18 

 14.85 



28.08 

 33.60 



5.41 

 4.10 



0.539 



Roots 

 With GA 

 Without GA 



3 

 4 



4.24 

 3.25 



3.43 

 2.47 



4.87 

 4.91 



0.46 

 0.56 



0.165 

 0.253 



Total Translocated 

 With GA 

 Without GA 



3 

 4 



18.24 

 15.08 



6.94 

 12.08 



26.76 

 19.31 



5.88 

 1.55 



0.574 



