Martin J. Prucha 



TABLE 9. Description of Three-Weeks-Old Growth of B. radicicola on Agar 



Slopes 



Medium 334 with 



Description of growth 



2 . psr cent cane sugar 



2 . per cent dextrose 



2 . per cent levulose 



2 . per cent lactose 



2 . per cent galactose 



10 . per cent cane sugar 



20 . per cent cane sugar 



■40 . per cent cane sugar 



2 . per cent glj^cerin 



2 .0 per cent mannite 



0.1 per cent asparagin 



1 . per cent salicin 



0.5 per cent amygdaHn 



0.5 per cent resorcin 



. 2 per cent phloroglucin 



. 5 per cent potassium oxalate 



. per cent potassium citrate . 



. 1 per cent potassium nitrate , 



. 2 per cent potassium nitrate . 



. 6 per cent potassium nitrate . 



0.1 per cent calcium nitrate. . , 



. 2 per cent calcium nitrate . . , 



. 6 per cent ca cium nitrate . . , 



1 . per cent gelatin 



5 . per cent gelatin 



1 .0 per cent Witte's peptone. . 



2 . per cent Witte's peptone. . . 



5 per cent Witte's peptone. . . 



0.2 per cent ^Merck's peptone. 



1 . per cent Merck's peptone. . 



3 per cent Merck's peptone. . 



Good, watery 



Good, watery 



Not Adsible 



Not so good as with cane sugar 



Good, watery 



Good, vratery 



Good, watery 



Slight, verj' transparent 



Good, watery 



Good, watery 



Fair 



Fair, whitish, not watery 



Fair, whitish 



Hardly visible 



Not visible 



Not visible 



Not visible 



Poor, fluorescent, opaque 



Poor, fluorescent, opaque 



Poor, fluorescent, opaque 



]\Iedium, verj' opaque, fluorescent, tough, brownish 



Medium, verj' opaque, fluorescent, tough, brownish 



JNledium, very opaque, fluorescent, tough, brownish 



Medium, juicy, opaque 



Poor 



Abundant, juicy 



Abundant, juicy 



Not visible 



Abundant, fluorescent, whitish to browmish 



Abundant, fluorescent, whitish to brownish 



Not visible 



tubes of each medium were prepared, and after being sterilized they 

 were sloped and inoculated. 



The followdng substances were used alone as media: soj' bean hay, 

 ground; soy bean roots, ground; Canada field pea hay, ground; Canada 

 field pea roots, ground; Canada field pea seeds, ground; compost (well- 

 decomposed cow feces), gromicl; partly decomposed cow feces, ground; fresh 

 cow feces, ground; corn meal; sawdust; wheat bran; wheat middlings; 

 saudy soil; muck; cornstarch. These substances were dried at 100° C, 



