New YorK AGRICULTURAL EXPERIMENT STATION. 187 
weather favorable to blight. Using the same quantity of bor- 
deaux, frequent light applications are likely to be more effective 
than heavier applications made at long intervals; e. g., when a 
horse sprayer carrying but one nozzle per row is used, it is better 
to go over the plants once a week than to make a double spray- 
ing once in two weeks. A good plan is to use one nozzle per row 
in the early sprayings and two nozzles per row in the later ones. 
Those who wish to get along with three sprayings should post- 
pone the first one until there is danger of injury from bugs or flea 
beetles and then spray thoroughly with bordeaux and poison. The 
other two sprayings should likewise be thorough and applied at such 
times as to keep the foliage protected as much as possible during 
the remainder of the season. Very satisfactory results may be 
obtained from three thorough sprayings. . 
A single spraying is better than none and will usually be profit- 
able, but more are better. Spraying may prove highly profitable 
even though the blight is only partially prevented. It is unsafe to 
postpone spraying until blight appears. Except, perhaps, on small 
areas, it does not pay to apply poison alone for bugs. When it is 
necessary to fight insects use bordeaux mixture and poison together. 
