

TABLE X. 



Mean 24-hour rates of enlargement for consecutive 1-day 

 observation periods, for Phytophthora, as determined by measur- 

 in the ordinates of the smoothed graphs of figure 3. 



Temperature ; "First day 



Second day Third day Fourth day Fifth day 



%■ c 



mm 



mm 



mm 



mm 



mm , 



8.0 

 9.0 



10. 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



28 

 29 

 30 

 31 

 32 

 33 

 34 

 35 

 36 



.07 

 0.15 

 0.22 

 0.30 

 0.50 



0.70 



0.90 



1.1 



1.4 



1.7 



2.0 



2.4 



2.7 



3.0 



3.3 



3.6 



4.0 



4.3 



4.6 



5.0 



5.3 

 5.7 

 6.0 

 6.4 

 6.7 

 6.9 

 7.1 

 6.1 

 2.2 



0.25 

 0.40 

 0.70 

 1.0 

 1.4 

 1.9 

 2.4 

 3.0 

 3.7 

 4.4 

 5.2 

 6.0 

 6.9 

 7.8 

 8.6 

 9.3 

 10.0 

 10.8 



11.4 



11. S 



12.5 



12.9 



13.3 



13.5 



13.5 



12.2 



9.5 



5.7 



1.7 



0.40 

 0.90 

 1.2 

 1.7 

 2.2 

 2.7 

 3.3 

 3.9 

 4.5 

 5.3 

 6.0 

 6.7 

 7.4 

 8.2 

 9.0 

 9.8 

 10.5 

 11.1 



11.8 

 12.3 



12.8 

 13.2 

 13.4 



13.6 

 13.6 

 12.8 

 11.2 



6.8 

 0.5 



1.0 



1.5 

 2.0 



2.5 



3.0 



3.5 



4.1 



4.7 



5.3 



5.9 



6.6 



7.2 



7.9 



8.7 



9.3 

 10.1 



10.7 



11.3 



11.9 



12.4 



12.9 

 13.3 

 13.6 

 13.7 

 13.6 

 12.6 

 10.2 

 4.2 

 0.2 



1.1 

 1.6 

 2.1 



2.7 

 3.3 

 3.9 

 4.5 

 5.2 

 5.8 

 6.5 

 7.2 

 7.9 

 8.6 

 9.3 

 9.9 

 10.3 

 10.7 

 10.9 



11.1 

 11.3 



11.3 

 11.3 

 11.2 

 11.0 



10.7 

 9.2 

 6.0 

 1.0 



74 



