1920.] 



" Damping off " of Tomato Seedlings. 



073 



3. If " foot rot " has been prevalent in the houses during 

 the last season the soil should be steamed. 



4. The watering should be carefully regulated, and water- 

 logged conditions or a saturated atmosphere in the propagating 

 houses never allowed. 



5. The propagating houses should be thoroughly ventilated, 

 and a uniform temperature of about 55°F. maintained, if the 

 disease appears. 



6. Any diseased seedlings should be picked out and destroyed 

 by burning as they appear. 



7. A top dressing of 10 parts lime and 1 part copper sul- 

 phate applied to the soil at the rate of f oz. of the mixture per 

 square foot will help to reduce the amount of disease. 



