60 Research Bulletin No. 1 
Potato experiments on the farm of Wm. Lorance near Alliance. 
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Variety 
Acme 
Rural New Yorker— Untreated 
Lorance's Early Ohio 
Red River Valley Early Ohio. . 
Acme 
Without any rot 
Rural New Yorker- Untreated ' and'nV sprayed^ 1 ' 
Lorance s Early Ohio 
Red River Valley Early Ohio 
Rural New Yorker— Untreated 
Rural New Yorker— Treated with formalin. J 
Acme 
Rural New Yorker— Untreated 
Lorance's Early Ohio 
Red River Valley Early Ohio 
Acme 
Rural New Yorker Untreated 
Lorance's Early Ohio . . 
Red River Valley Early Ohio 
Rural New Yorker— Untreated 
Rural New Yorker— Treated with formalin 
With "end rot" 
\ pieces in the hills 
and sprayed. 
Acme I 
Rural New Yorker — Untreated j 
Lorance's Early Ohio -. - • 
Red River Valley Early Ohio | wm „ en( , rQt „ 
£5 NewVor^Untreaied: \ \ \ \ . \ \ \ \ \ \ ' f UXj^J™ 
Lorance s Early Ohio 
Red River Valley Early Ohio 
Rural New Yorker- Untreated 
Rural New Yorker— Treated with formalin. J 
Acme 1 
Rural New Yorker - Untreated 
Lorance's Early Ohio 
Red River Valley Early Ohio 
Acme i nieces 
Rural New Yorker— Untreated 
Lorance's Early Ohio 
Red River Valley Early Ohio 
Rural New Yorker— Untreated 
Rural New Yorker— Treated with formalin. J 
Acme I 
Rural New Yorker - Untreated 
Lorance's Early Ohio • 
Red River Valley Early Ohio 
Acme i pjgcgg in 
Rural New Yorker— Untreated 
Lorance's Early Ohio 
Red River Valley Early Ohio 
Rural New Yorker - Untreated 
Rural New Yorker— Treated with formalin J 
With "dry 
in the 
and sprayed. 
rot" 
hills 
With "dry rot" 
the hills 
but not sprayed. 
Almost one thousand plants were thus exposed to exceedingly 
favorable conditions for dry-rot infection to occur. Every single 
