Bui. 108, U. S. Dept. of Agriculture 



Plate 



Fig. 1. -Effect of Salicylic Aldehyde on Corn in Nutrient Solutions. 



M \ Control in nutrient solution- (2) same plus salicylic aldehyde 10 parts per million; (3) 

 (1 W!SS£ P er Si? MlSW per million; (5) 100 parts per million; (6) 200 parts per 

 million. 



Fig. 2.— Effect of Salicylic Aldehyde on Cowpeas in Nutrient Solution. 



(1) Nutrient solution; (2) same with 10 parts per million -salicylic ^hyde; W*gJ rtB P er 



million; (4) 50 parts per million; (5) 100 parts per million; (b) 200 parts per million. 



