29 i 



Salmon, On Specialization of 



Table 1. 



Infection experiments with 



Exper. 

 no. 



Date 



Species used as 

 Host 



Germination 

 of spores 



No. of 



leaves 



inoculat- 



ed 



No. of 



leaves 



infected 



la 



Ib 

 161 

 16 m 

 19 i 

 19k 



Ic 



Id 



8f 

 16a 

 16 b 

 19 a 

 19b 

 26 a 

 35 a 

 Ma 

 59 a 

 64 a 



le 



If 

 16 c 

 16 e 

 16 g 

 19 

 19 p 

 35 f 

 35 fi' 

 44 b 



lg 



16 n 

 16 



Ih 



li 



8e 

 16 i 

 16 k 



Ik 



11 



Im 



In 

 16d 

 16 f 

 19 q 

 19 r 



lo 



16 p 



19q 

 6 a 

 6b 

 6c 

 6d 

 6e 

 6f 



Aue 



Sept. 

 Aug. 



1. 



1. 

 14. 

 14. 

 16. 

 16. 



1. 



1. 



5. 

 13. 

 13. 

 16. 

 16. 

 22. 

 26. 

 30. 



6. 



y. 



1. 



1. 

 13. 

 13. 

 14. 

 17. 

 17. 

 26 

 26. 

 30. 



1. 



1. 

 14. 

 14. 



1. 



1. 



5. 

 14. 

 14. 



1. 



1. 



1. 



1. 

 13. 

 14. 

 17. 

 17. 



1. 



1. 

 15. 

 15. 



4. 



4. 



4. 



4. 



4. 



4. 



B. areensis 



B. mollis 



B. commutatus 



B. maximus 



B. sterilis 



B. asper 

 B. secallnus 



B. erectus 



» 



» 



» 



B. unioloides 



B. ciliatus 



Good 



Very good 



Good 



Very good 

 Moderate 

 Very good 



Poor 

 Moderate 



Poor 

 Very good 



IT 



Good 

 Very good 



Good 



Moderate 



Good 

 Very good 



11 

 Good 



)) 

 Very good 



Moderate 



Good 

 Moderate 



>i 



n 



Very good 

 Poor 

 Good 

 Poor 



)' 

 Very good 



Good 



Very good 



Moderate 



Very good 



5 



5 



5 



3 



5 



6 



7 



4 



4 



5 



3 



5 



6 



3 



3 



3 



3 



2 



4 



5 



4 



3 



4 



5 



5 



4 



4 



4 



4 



7 



3 



3 



4 



5 



5 



3 



3 



4 



5 



4 



4 



4 



3 



5 



5 



4 



5 



3 



3 



4 



5 



4 



5 



4 



5 



























7 



4 



4 



5 



3 



5 



6 



3 



3 



3 



3 



2 





































































































 

 

 

 

 

 

 

 

 

 

 

 



