Figure 13. Turnip plant. 



(12 days after inoculation with turnip 



organism in crown) 



Figure 12 Diseased turnip plant obtained direct from field. 



m^ f f» 



' '^-^^ 



Figure 15. Turnip seeds sown in contaminated and un- Figure 14. Same turnip as Figure 13 

 contaminated soil. Pots II and IV contaminai eiJ. cut in half. 



