DAMPINOOFF IN FOREST NURSERIES. 



43 



TABLE III. ln<H-ul<iti<n\ <.//>< 'H///O//.V irith I'l/tlihini dcfuiriiauum in pot* of 



li:cd xo// ( Ntntinued. 



a All inoculations with fragments of agar cultures scattered broadcast at one side of the pot, including 

 about one-fourth of its area. Nothing was added to the controls in experiment 62, but sterile agar was 

 added to the controls in experiments 66, 67, and 68. 



As has been stated, securing positive results did not always mean 

 that the control pots remain uninfected. Even with the most care- 

 ful treatment and the use of boiled water throughout the experiment 



