64 



EXPEEIMENT STATION. 



[Jan. 



These results agree with the common belief regarding the 

 influences of the different stocks ; but so far as we know these 

 influences have never before been carefully demonstrated and 

 measured. 



The same differences are shown between trees of other varie- 

 ties, such as Wealthy, Mcintosh, Greening, etc., when grown 

 on the different kinds of stocks. Unfortunately, we do not 

 have a series of varieties growing on all three stocks, under 

 uniform conditions and of the same age, so as to make an ex- 

 tended comparison. However, the following averages of two 

 additional lots on Paradise and Doucin stocks will indicate the 

 generally uniform character of the influence of these stocks : — 



Comparison of Two-year-old Nursery Trees. 



Wealthy : — 



Number of trees, 



Average height (centimeters) 



Ratio of height to diameter, 



Mcintosh : — 



Number of trees, 



Average height (centimeters) 



Ratio of height to diameter, 



51 



128 



98.5 



50 

 154 

 96.2 



