o 

 o 



140 



130 - 



120 



O no 



z 



LLl 



_ 100' 



0' — 

 



IAA + 2,4,6-T 



001 0.01 0.1 



CONCN., lAA, MG./L. 



11 



• • • 



GA + 2.4.6 -T 



I 10 100 



CONCN., GA, MG./L. 



Fig. 2. Interaction of 30 mg/1 of 3-chlorophenoxyisobutyric acid (3-CIliA) with 

 lAA and gibberellic acid in the elongation of pea stem sections (13). 



O 

 q: 



140 



130 



O 



o 



U. 120 



o 



l- 



O 110 



z 

 llJ 



- 100' 



,i^ 



90' — 

 



0.001 0.01 0.1 



CONCN., lAA, MG./L. 



I 10 100 



CONCN., GA, MG./L. 



I"ig. 3. Interaction of 2,4,6-trichIorophenoxyacetic acid (2,4,6-T) with lAA and 

 gibberellic acid in the elongation of pea stem sections (13). 



