ENEMIES OF THE CROP. 



67 



All affected plants should be removed and burned as 

 soon as discovered. Caustic lime water, especially if 

 made with liquid manure instead of clear water, seems to 

 be a safe remedy, but it will require too large a quantity to 

 be of much practical usefulness on an extensive scale. 

 Slake a peck of fresh lime in one hundred gallons of 

 liquid, let settle, draw off, leaving the settlings undisturbed, 



Fig. 33- 



Onion Maggot. 



and pour the liquid about the plants freely enough so that 

 it will soak down to the place where the maggot is feeding. 

 Every larva touched by this lime water will die. Instead 

 of this remedy we can use solutions of muriate of potash, 

 one tablespoonful to the gallon of water, or of kainit, two 

 tablespoon fuls to the gallon. Plants once eaten into 

 usually rot and die, and for this reason the remedy is 

 not as satisfactory as might be desired. H. A. March 

 of Washington sprinkles crude sulphur, which smells very 

 strong, over his cauliflower plants, and says it seems to 



