TOMATO. 259 



by syringing the plants and picking off infested leaves), 

 and the root-gall (prevented by using only soil which has 

 been thoroughly frozen since a crop has been grown upon 

 it) illustrated in Fig. 29, and discussed on pages 84 and 

 85 (page 175). 



Diseases of house tomatoes are fruit-rot (pick off the 

 injured fruits), blight or rust (spray with fungicide), dropsy 

 (caused by too much wet and too little light), and winter 

 blight (destroy the plants), this last being very little 

 understood (page 177). 



1 8 FORC. 



