220 REPoRtT OF THE BOTANICAL DEPARTMENT OF THE 
RESULTS IN 1905. 
TaBLe VII.—YIELD BY SERIES AT GENEVA IN 1905. 

—— ee 
Series. Rows.’ Dates of spraying. Yield per acre. 
Bu. lbs. 
LE nS ge 4, 7,10 and 13...| July 3, August 7 and 25... .| 228 45 
ie too ee 5, 8, ll and 14...| June 29, July 13, 27, Aug. 12 
Vale ig. Sepa merry, ioe? Beef 241 15 
1 Bd Bate G, 9,12 and 153) INGt ROTRYEC 0s. 5 nists cee 121 52 


3 Rows 1, 2 and 3 omitted because of error. 
Increase in yield due to spraying three times, 107 bu. per acre. 
Increase in yield due to spraying five times, 1194 bu. per acre. 
From the combined attack of flea beetles, tip-burn and late 
blight the unsprayed rows died fully two weeks earlier than 
the sprayed ones. Spraying reduced the loss from rot at the 
rate of 41 bushels per acre. There was no subsequent rot in 
storage. 
TasBLe VIII.—Y1IELp By Series AT RIVERHEAD IN 1905. 




Series. Rows. Dates of spraying. Yield per acre. 
Bu. lbs. 
| BoB, See ea 1,4, 7,10 and 13.| June 14, July 18 and Aug. 11} 253 — 
LDLS. sp eee 2, 5, 8, 1l and 14.| June 14, 30, July 14, 28 and 
Aum Aims eee, eee 303 41 
TD ich vest Opes) ee enol NOGSpYayed cu.) ae 221 38 

Increase in yield due to spraying three times, 314 bu. per acre. 
Increase in yield due to spraying five times, 82 bu. per acre. 
Late blight caused no injury in this experiment and there 
was not even a trace of rot. Flea beetles and early blight were 
the enemies fought. 
