Metabolism and mode of action 



7^ mm 



Rmni 



0-5 0-5 



3-0 -m^ 



Figure 10. lAA oxidase and peroxidase activities and peroxide generating capacity in the apical 

 0-5 mm {root cap) and subjacent region (growing area) of the Lens root. 



Figure 11. The effect of various levels of 

 DCP on the lAA-oxidase activity of successive 

 3 mm sections of the Lens root. 



3 6 9 12 15 18 

 Distance from the tip mm 



228 



