HiRATsuKA : Studies on ihr Kiax Rust 



17 



T,, ^ ^ • .1 T Maximum 34 C. 



The temperature m the green-house <, ,.. . „o/- 



^ I Minimum 8 C. 



Experiment IV. 



In this series, 17 varieties or strains were tested by the same method as 



Experiment III in the green-house. In this e.xperiment, the following six new 



varieties or strains from new sources were added to eleven varieties or strains 



tested in Experiment III. 



1. Canadian White Dutch (T). 



2. Minnesota (seed-flax) (T). 



3. White Blossom Dutch (T). 



4. Blue Blossom Dutch (T). 



5. Argentine (seed-flax) (T). 



6. Russia (T). 



The results show as the following table : — 



Table XVIII. Results of Experiment IV. 



