Studies of Bacillus Radicicola of Canada Field Pea 23 

 TABLE 2. Influence of Some Nutrient Solutions on Nodule Development 





Treatment 



Exposure 



Number of nodules 





Plant 1 



Plant 2 



Plant 3 





[ . f 

 Inoculated with B. radicicola \ 



Light 



None 



None 



None 





Dark 



None 



None 



None 



Medium 101 



Inoculated with soil extract. \ 



Light 



None 



None 



None 



Dark 



None 



None 



Few 







Light 



None 



None 



None 







Dark 



None 



None 



None 





Inoculated with B. radicicola ] 



Light 



None 



None 



None 





Dark 



Few 



Few 



Few 



Crone's solution . . . 



Inoculated with soil extract . 



Light 



None 



None 



None 



Dark 



Few 



Few 



Few 







Light 



None 



None 



None 







Dark 



None 



None 



None 





Inoculated with B. radicicola ■ 



Light 



None 



None 



None 





Dark 



None 



None 



Few 



Pfeffer's solution . . 



Inoculated with soil extract . ■ 



Light 



None 



Few 



Few 



Dark 



None 



Few 



Few . 







Light 



None 



None 



None 







Dark 



None 



None 



None 





Inoculated with B. radicicola ■ 



Light 



None 



None 



None 





Dark 



None 



None 



None 



Tap water 



■ Inoculated with soil extract . ] 



Light 



None 



None 



None 



Dark 



None 



None 



None 







Light 



None 



None 



None 







Dark 



None 



None 



None 





Inoculated with B. radicicola ■ 



Light 



Present 



Present 



Present 



Soil extract 



Dark 



Present 



Present 



Present 





Light 



Present 



Present 



Present 







Dark 



Present 



Present 



Present 



* See page IL 



