December, ’24] sullivan and mcbride : oil sprays for aphids 
659 
The following varieties of apples were sprayed and counts made to 
determine aphid control: Rome Beauty, Delicious, Jonathan, Winesap, 
Ben Davis, Grimes Golden, Black Ben Davis, Liveland Raspberry, 
Stayman Winesap, Paragon, Early Harvest, McIntosh, Ben Hur, King 
David, Ingram, Ginnie and Bauer Sweet. 
Experiments 1923 
Treatment 
Date 
Date 
No. 
Aphids 
Ave. 
sprayed 
Counted 
buds 
Alive 
per bud 
1.—Lime Sulfur 1-7. 
,. 4/9/23 
4/12/23 
110 
319 
2.8 
2.—Soap Oil Emulsion 2%.. . . 
.. 4/9/23 
4/13/23 
64 
271 
4.23 
3.—Soap Oil Emulsion 
1 % with CuSo 4 . 
. 4/10/23 
4/16/23 
102 
319 
3.12 
4.—Soap Oil Emulsion 
2% with CuSo 4 . 
. 4/10/23 
4/16/23 
113 
93 
.823 
5.—Kayso Oil Emulsion. 
. 4/10/23 
4/13/23 
38 
32 
.842 
6.—Lime Sulfur 1-7. 
. 4/11/23 
4/17/23 
33 
12 
.363 
7.—Soap Oil Emulsion 2%.. . . 
. 4/11/23 
4/12/23 
57 
285 
4.52 
8.—Check. 
4/14/23 
33 
164 
4.97 
9.—'Check. 
4/17/23 
16 
95 
5.93 
10.—Check. 
4/18/23 
82 
575 
7.01 
Experiments 
1924 
Treatment 
Date 
Date 
No. 
Aphids 
Ave. 
Sprayed 
Counted 
Buds 
Alive 
per bud 
1.—10% Kayso Oil Emulsion.. 
. 2/22/24 
4/25/24 
150 
194 
1.29 
Dormant 
2.—Lime Sulfur 1-7. 
. 4/11/24 
4/12/24 
152 
43 
.282 
3.—10% Kayso Oil Emulsion 
Delayed Dormant. 
. 4/12/24 
4/25/24 
124 
43 
.346 
4.—10% Kayso Oil Emulsion 
Delayed Dormant. 
. 4/12/24 
4/25/24 
150 
51 
.34 
5.—2% Kayso Oil Emulsion..^. 
. 4/14/24 
4/25/24 
150 
546 
3.64 
6.—2% Kayso Oil Emulsion.. . 
. 4/14/24 
4/15/24 
51 
8 
.15 
7.—4% Kayso Oil Emulsion.. . 
. 4/14/24 
4/25/24 
100 
346 
3.46 
8.—Lime Sulfur 1-7. 
. 4/14/24 
4/25/24 
100 
901 
9.01 
9.—1% Kayso in Lime Sulfur . 
. 4/21/24 
4/25/24 
100 
48 
.48 
10.—Kayso Oil Emulsion 
2% with 3—4-50 Bord... 
. 4/21/24 
4/25/24 
450 
879 
1.95 
11.—Check. 
4/15/24 
292 
198 
.678 
12.—Check.,.. 
4/25/24 
450 
1659 
3.46 
The preceeding tables show the kind of sprays used, date spray was 
applied, date counts were made, number of buds counted, number of 
aphids alive and the average number of live aphids on each bud. 
It will be noted that in no case did any of the spray materials used 
give effective control as compared to the checks. With one exception, 
