32 Nebraska Agricultural Exp. Station, Research Bui. 10 
80 per cent of the damage from skin punctures. This table 
shows the efficiency of the first spray alone to be nearly 50 per 
cent. The light infestation in this orchard is due largely to the 
fact that clean culture is practiced and all windfalls removed. 
Table 22 — Lincoln spray schedule 
Date 
Spray 
April 26 
Cluster-bud 
May 10 
Petal-fall 
May 18 
7-days 
June 1 
14-days 
June 8 
21-days 
June 24 
35-days 
Aug. 11 
2d-broo(3 
Platl 
Pb-1.5-50 
Pb-1.5-50 
Pb-1.5-50 
Pb-1 .5-50 
Pb-1.5-50 
Pb-1.5-5 
Pb-1.5-5 
Pb-1.5-5 
Pb-1.5-5 
Pb-1.5-5 
2.. 
3.. 
4.. 
Pb-1.5-50 
Pb-1.5-50 
Pb-1.5-50 
Ph-iJS-50 
Pb-1.5-50 
Pb-1.5-50 
Pb-1.5-50 
Pb-1. 5-501 
Pb-1.5-50 
Curculio injury on windfalls and picked fruit 
Total 
Curculio 
Curculio 
Variety 
Plat 
fruit 
worms 
Per cent 
sting 
Per cent 
1 
6,483 
147 
2.27 
274 
4.23 
2 
5,753 
15 
.26 
111 
1.93 
3 
3,037 
0 
.0 
15 
.49 
4 
6,980 
0 
.0 
215 
3.08 
5 
4,463 
2 
.045 
167 
3.74 
check 
6,410 
177 
2.76 
917 
14.30 
1 
2,207 
19 
.86 
63 
2.85 
2 
2,918 
6 
.21 
102 
3.49 
Winesap , 
3 
2,057 
3 
.15 
33 
1.60 
4 
1,385 
0 
.0 
52 
3.75 
5 
2,274 
0 
•0 
79 
3.47 
check 
2,343 
131 
5.59 
396 
16.90 
1 
1,498 
18 
1.20 
145 
9.68 
2 
2,214 
9 
.41 
41 
1.85 
Ben Davis . . . . , 
3 
2,867 
0 
.0 
93 
3.24 
4 
1,867 
0 
.0 
38 
2.03 
5 
2,486 
0 
.0 
53 
2.13 
check 
2,880 
122 
4.24 
433 
15.03 
1 
10,188 
184 
1.81 
482 
4.73 
Jonathan 
2 
10,885 
30 
.27 
254 
2.33 
Winesap 
3 
7,961 
3 
.038 
141 
1.77 
Ben Davis 
4 
10,232 
0 
.0 
305 
2.98 
5 
9,223 
2 
.022 
299 
3.24 
check 
11,633 
430 
3.70 
1,746 
15.01 
The evidence presented in table 22 corroborates the statements 
made in regard to table 21. However, as compared with table 
21 it shows a lower general efficiency. This is no doubt due to the 
