210 
THE PLUM CURCULIO. 
Table CIII. — Results of spraying Georgia Belle peaches for the plum curculio, Myrtle, 
Ga., 1906— Continued. 
Plat 
No. 
Treatment. 
Tree 
No. 
Fruit from 
grounds. 
Fruit from 
tree. 
Total 
Total 
num- 
ber of 
fruits 
in- 
fested. 
Per- 
cent- 
age of 
sound 
fruit. 
Aver- 
age 
per- 
Total. 
In- 
ested. 
Total. 
In- 
fested. 
ber of 
fruits. 
cent- 
age of 
sound 
fruit. 
III. . . 
f 1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
. 12 
34 
29 
70 
69 
81 
28 
18 
14 
22 
16 
21 
17 
14 
. 22 
33 
33 
48 
16 
14 
11 
12 
6 
18 
9 
42 
25 
185 
224 
187 
98 
46 
75 
58 
80 
29 
75 
18 
17 
28 
52 
48 
26 
17 
20 
14 
6 
7 
11 
76 
54 
255 
293 
268 
126 
64 
89 
80 
96 
50 
92 
32 
39 
61 
85 
96 
42 
31 
31 
26 
12 
25 
20 
57.89 
27.77 
76.08 
70.98 
64.17 
66.66 
51.56 
65. 16 
67.50 
87.50 
50.00 
78.26 
419 
236 
1,124 
264 
1,543 
500 
67.59 
Table CIV. — Results of spraying Elberta peaches for the plum curculio, May field, Ga. 
1908. 
Plat 
No. 
Treatment. 
Tree 
No. 
Fruit from 
ground. 
Fruit from 
tree. 
Total 
num- 
ber of 
fruits. 
Total 
num- 
ber of 
fruits 
in- 
fested. 
Per- 
cent- 
age of 
sound 
fruit. 
Aver- 
age 
per- 
Total. 
In- 
fested. 
Total. 
In- 
fested. 
cent- 
age of 
sound 
fruit. 
I 
Four applications, 2 pounds 
arsenate of lead plus 3 pounds 
stone lime per 50 gallons of wa- 
ter: Apr. 2, 11, 17, and 25. 
Three applications, 2 pounds 
arsenate of lead plus 3 pounds 
stone lime per 50 gallons of wa- 
ter: Apr. 2, 11, and 17. 
Two applications, 2 pounds ar- 
senate oi lead plus 3 pounds 
stone lime per 5C gallons water: 
Apr. 2 and 11. 
n 
1! 
(.1 
l 
2 
1 3 
4 
I 5 
156 
100 
194 
14 
11 
19 
336 
110 
437 
137 
32 
127 
492 
210 
631 
151 
43 
146 
69.31 
79.53 
76.86 

450 
44 
883 
296 
*1,333 
340 
74.41 
II.... 
98 
188 
228 
296 
12 
9 
18 
34 
322 
213 
361 
331 
137 
107 
140 
154 
420 
301 
589 
627 
149 
116 
158 
188 
64.52 
61.46 
73.18 
70.02 
810 
73 
1,227 
538 
2,037 
611 
70.00 
III... 
136 
135 
163 
61 
46 
16 
26 
3 
184 
299 
336 
145 
97 
38 
132 
45 
320 
434 
499 
206 
143 
54 
158 
48 
55.31 
87.56 
68. 34 
76.70 
495 
91 
964 
312 
1,459 
403 
72.30 
IV... 
119 
86 
133 
85 
134 
87 
59 
39 
61 
82 
75 
10 
278 
125 
143 
64 
9 
197 
122 
126 
194 
96 
411 
210 
277 
151 
68 
236 
183 
208 
22. 17 
29.17 
42.58 
12.86 
24.91 

557 
328 
631 
518 
1,188 
846 
28.78 
It will be noticed that on the unsprayed block only 28.78 per cent 
of the fruit was uninfested. Plat I, which received 4 applications of 
arsenate of lead, shows a gain in sound fruit of 45.63 per cent. Plat 
II, which received 3 applications, of 41.22 per cent, and Plat III, 
receiving 2 applications, a gain of 43.52 per cent. According to the 
notes accompanying this experiment very serious injury followed the 
