20,2 Lee and Shino: Citrus-canker Control Experiments 131 
First spray application, June 8, 4, 5, and 6, 1919. 
Second spray application, June 24, 25, and 26, 1919. 
Third spray application, August 24 and 25, 1919. 
The pruning listed above being made in early winter the 
following extracts from the notes in the succeeding May are of 
interest : 
Upon none of the trees, those of untreated plats as well as those of treated 
plats, was there foliage young enough to be susceptible. All of the trees 
LEGEND N Orchard 
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< 
Plat 0| Plat 9 | Plat 8 | Piat 7| Plat 6[ Plat 5|Plat 4 [Plat 3 [Plat 2 [Platt] =: 
Fic. 1. Showing the arrangement of the experimental plats in the Washington navel orchard 
at Saigomura, Japan. Plat 19 lies south of the plats shown above. 
