Stimulation of Root Growth in Cuttings 



105 



TABLE 9. CoMPAEiBON of the Effect of Various Stimulants on the Root Growth 



OF Tomato Cuttings 



* All stronger solutions showed no growth. 



The results were more consistent than was to have been expected from 

 the small number of stems used and their lack of perfect uniformity. 

 The four treatments showing the best growth all contained boric acid. 

 Ferric chloride stood fifth, while the three containing manganese dioxide 

 stood next in order followed by manganese sulfate in its weakest solution. 



