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). 
18 FORC. 
