28 



MISSOURI AGR. EXP. STA. RESEARCH BULLETIN NO. 21 



8) . In still other cases the late treatment actually caused the enzymes 

 in the tissue to become less active than those in untreated material. 

 (Cf. 1, 4 and 6, Table 8). Attention should be called to the fact that 

 in practically all cases, the enzyme activity of the untreated twigs 

 increased as the season advanced. 



The enzymes in the oak did not seem to be affected by the 

 particular treatment given them. 





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