Degradation within plant tissues 



£'-7p.p.Tn, 



/p.p.m. 



/Cp.p.TTl. 



Acef amide Propionamide Butyramide Valeramide Capro amide Hepfanoamide 

 Figure 3. Activities ofo)-(2-A-dichlorophenoxy)alkanecarbonamides in the pea curvature test. 



(7-/p.p.Ta. 



/p.pm. 



r^p.p.m. 



Acefonifri/e Propionitrile Bufyronitrile Valeronitrile Copronifrile Heptanonifrile 



Figure 4. Activities ofio-{2-A-dichlorophenoxy)alkanenitriles in the pea curvature test. 



191 



