96 



Gardening Under Glass 



Damping-off is a disease which sometimes 

 attacks seedHngs and cuttings in the cutting bed. 

 Covering the top of the soil with sand which has 

 been sterihzed by heating, and care in watering 



(by watering early in 

 the morning in bright 

 weather so that the 

 leaves can dry off dur- 

 ing the day) w^ill help 

 as a safeguard. Flour 

 of sulphur sprinkled 

 over the soil just as 

 the little seedlings 

 come up, and among 

 the cuttings also, acts 

 as a preventative. 



Everything said in 

 this chapter in regard 

 to sanitation, good 

 care, ventilation, and 

 so forth, applies per- 

 haps even more to the 



The first rule in bii^' prevention is, 

 avoid over-crowding. Hetter a mod- 

 erate number of iiealthy plants than 

 a pack of sickly ones. 



prevention of diseases than to the control of in- 

 sects. Strong growing plants are not only less 

 likely to be attacked, but are mucli better able to 

 withstand successfully the attack if it does come. 



