8 DISEASES OF ECONOMIC PLANTS 



tion of the hungry passer-by. The vines so treated in 

 1882 were noted by Prillieux and Millardet to be less 

 injured by the mildew than were other vines, and they 



Fig. 1. — Millardet, father of the Bordeaux mixture. 



ascribed the beneficial effect to its proper cause, the lime- 

 bluestone mixture. 



While several investigators were engaged simultaneously 

 in experimenting with these chemicals upon the mildew, 

 it was Millardet who first planned and executed experi- 

 ments and pubhshed results which demonstrated the com- 

 ■ mercial value of the lime-bluestone treatment. 



The first systematic appUcations of copper, and of copper 

 with lime as a disease preventive, were made imder the 

 direction of Millardet, August 18, 1883. In 1884 the work 



