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5 
S 1 
Plots A dressed twice, before disease appeared, with bouillie horde- Plots C left untreated. 
laise sucrce. Plots Aa, Ba, dressed with the ordinary hoidllie lordelaise without 
Plots B dressed once, upon appearance of disease, with houxllie hor- sugar. 
delaise sucrce. Plots Ca, left untreated, to compare with Aa and Ba 
