LU 



h- 

 < 



or 



I- 



»5 MG/Li 



O 



ir 



O 



Lj_ 

 O 



3r 



9H3 



C COOH 

 'C1CH3 



OL-- 



10 



20 



30 



40 



o I MG/Ln 



50 



INVERSE OF AUXIN CONC. (1/5) 



Fig. 76. Kinetic analyses of three anti-auxins with indoleacetic acid, showing un- 

 changed maximum growth rate (Vmax) in the presence of the inhibitors. A, 2,6- 

 dichlorophenoxyacetic acid; B, 2,4-dichloroanisole; C, 2,4-dichlorophenoxyisobutyiic 

 acid (McRae and Bonner. 1952; 1953). 



170 



