13 
This block contained 1,485 vines, most of which were Concords 8 years 
old, planted 6 feet apart each way and trained to stakes 8 feet high. 
Two hundred vines, or 20 for each fungicide, were treated, leaving 340 
for control. These were selected in such a way as to nearly surround 
each treated vine, thus furnishing a very severe test for the fungicides, 
DIAGRAM 1.—dArrangement of vines in Svedberg’s vineyard at Sterling, Va. 
SVEDBERG'S VINEYARD 
AT 
STERLING,VA. 
+ DWELLING HOUSE. 
- BARN. 
- STABLE. 
» WELL. 
teeesesasesecsessesesess VINES ON STAKES. 
ee VINES ON TRELLISES. 

For the experiments with Bordeaux mixture, full and half strength, and 
early against late treatments, 160 vines in block 6 were selected. These 
vines were 6 years old, planted 6 feet apart each way, and trained as in 
block 1. The 160 vines selected were divided in 16 plats of 10 vines 
each. In each plat there were 8 Concord and 2 Clinton vines, thus 
affording an opportunity to test the treatment of two varieties. Each 
alternate plat, consisting of a single row running nearly east and west, 
