12 
BTLLETIX 1482, U. S. DEPT. OF AGEICULTUEE 
Table 4. — Summary of results of experiments in peach dusting and spraying at 
Fort Valley, Ga., in 1922; fruit harvested from record trees of the Riley variety 
Percentage of total fruit having— 
J 
Percentage 
_. 
of total 
■ 1 e! 
fruit as 
- 5 

graded be- 
Curculio larvae 
and— 
it, cur 
infect, 
ture 
e 
fore being 
opened for 
examina- 
Plat 
| 
>. 
8 
2 — ° 
tion 
c 
ffl 
c 
>> 
1 
-a 
|| II 
o -~ 
© 
© 
> 
> 
= 
ja 
43 
c 
1 
£ 
j>> 
^ 
C 
o 
~ 2 
c3 
03 
"5 
~ 
a 
^ 
(3 
= -7 
— 
c 
s 
-^ 
a 
— •« 
c 
2 
3 
c 
? 
3 
c 
.a 
- 
*- 
o 
J2 
- 
* 
o 
2 
- 
o 
© 
© 
a 
Eh 
U 
ffl 
«2 
U 
pq 
w 
c * 
pq 
02 
m 
pq 
X 
Oh 
o 
I__ 
8,107 
9,727 
1.8 
3.4 
1.1 
.6 
0.8 
.8 
1.6 
. 3.2 
0.9 
.5 
0.8 
.7 
0.2 
• 1 
96.5 
95.4 
79.9 
82.6 
120.1 
n 
ai 
17.4 
in 
9.433 
17.0 
4.9 
.5 
15.3 
3.3 
.4 
0.1 .1 
1.5 
79.3 
76.4 
23.6 
TV 
11. 620 
3.4 
.9 
.8 
3.1 
.7 
.7 
. i|__ 
.2 
95.2 
85.1 
14.9 
v 
8,685 
4 ? 
1, 1 
3 
3 9 
8 
.3 
.3 
94 7 
74.7 
125.3 
VI 
9,782 
8,180 
11.3 
22.9 
5.2 
32.0 
.9 
64.9 
9.4 
3.6 
3.3 
11.3 
.9 
42.7 
~~6.~2 
""."§ 7^8 
"a 2 
1.9 
6. 5. n 
>4. ' 
13.9 
81.7 
50.0 
18.3 
VII »__ 
50.0 
i Some fruits on these plats were small, hence the high percentage of culls. 
2 Check plat; not sprayed or dusted. 
Table 5. — Number of peaches dropping from Hiley peach trees, and percentage of 
them infested by curculio, in experimental orchards at Fort Valley, Ga., season of 
Plat 
Total 
number of 
drops 
Total per- 
centage of 
drops in- 
fested by 
curculio 
I 
II 
III 
IV 
V 
VI... . 
5.160 
5,207 
7,264 
7,669 
3.840 
7,869 
8,105 
11.8 
15.2 
25.7 
12.4 
17.0 
28.4 
43.1 
VII 
Table 6. — Commercial results of fruit from all trees in each plat of the Hiley 
variety, used in the peach spraying and dusting experiments, Fort Valley, Ga., 
1922 
Plat 
Average 
merchant- 
xt,,™^- ~t able fruit 
trSin ° f P^ tree (ex- 
rlt P ressed * 
piai cups; six 
cups equal 
one crate) 
Average 
cull fruit 
per tree (ex- 
pressed in 
cups; six 
cups equal 
one crate) 
I 
II 
III 
IV 
147 i 13. 5 
164 17. 1 
165 15. 2 
168 21.7 
3.4 
3.6 
4.7 
3.8 
4.4 
4.2 
8.1 
V 
154 ! -' 13. 
168 18. 7 
3 70 8. 1 
VI 
VII 
i Some of this fruit was small. Much sound fruit was graded as culls on account of size. 
2 Fruit very small on account of serious foliage burn. 
3 In two portions, in opposite corners of the orchard. 
