Figure 5. Effects of treatments with liigh adenine combined with very 

 low lAA concentrations on bud formation in tobacco stem segments. Exp. 

 #42 started 9/17/48. Photographed after 115 days. Treatments from left 

 to right: Control; adenine sulfate 40 mg. 1.; do. plus 17/I. lAA; do. plus 

 57/1. lAA. Initial pH 4.0; KH2PO4 12.5 mg./l. 



