BREEDING OF WHITE PINE AT THE INTERSPECIES LEVEL 



545 



■s. 



u 



CD CO 



+-> s 

 c s 



ftl 



CD 



F— I V) 



■H C 



+J 



^H DO 



o 



5h O 



to O 

 o 

 X 



u 

 a, a; 



CD ^H 



C CD 



o cj 

 u 



-a 



CD 



CD C 



O — I 



