CONTENTS. 



Introduction, .... 



Appearance of the disease, 

 Cause of wildfire, .... 

 Life history of the causal organism. 



Infection, .... 



Incubation period , 

 Dissemination, 



Splashing rain, . 



Wind, .... 



Leaf contact, 



Handling by workmen. 



Insects, .... 

 Origin of the disease in the seed-beds. 

 Source of infection in the field. 

 Other hosts, . 



Petunia, . 



Eggplant, 



Pokeweed, 



Tomato, . 

 Control, 



Necessity of starting with the seed-bed. 



Sterilization of soil. 



Seed disinfection. 



Sterilization of sash, cloth covers, etc., 



Spraying or dusting plants in the seed-bed, 



Notes on substances used, and results, 



Spraying results by growers. 



Conclusions as to spraying and dusting. 

 Aeration and watering of beds, . 

 Fertilizer relations, . . . . ■ 



Selecting plants from disease-free beds. 

 Relative susceptibility of varieties. 

 Removal of diseased plants or leaves from the field, 

 Working only with dry plants, . 

 Condensed recommendations for control. 

 Literature cited, .... 



