NOTES ON PLUM CULTURE. 
2/ 
SELF POLLINATION OF PLUMS. SPRING OF 1898. 
Tabulation of Set Not Hand-pollinated. 
Number of 
Fruits June 6 
Fruits 
Stand of fruit 
flowers. 
Good. 
Imperfect. 
June 23. 
estimated. 
American Eagle ... 
10 
2 
9 
0 
light 
Apricot. 
10 
0 
0 
0 
medium 
Cheney. 
8 
0 
0 
0 
very light: 
Colorado Queen.... 
19 
3 
8 
0 
medium 
Comfort. 
2 
0 
2 
0 
light 
Cottrell. 
19 
1 
1 
0 
medium 
Deep Creek. 
11 
0 
9 
Zj 
0 
medium 
Deep Creek. 
12 
0 
0 
0 
medium 
Forest Rose. 
11 
0 
2 
0 
medium 
Hammer. 
8 
2 
1 
0 
none 
Harrison . 
11 
0 
0 
0 
heavy 
Hawkeye.. 
11 
1 
1 
0 
medium 
Hilltop. 
11 
0 
0 
0 
very light 
IOa. 
11 
1 
1 
0 
very light 
Idall. 
15 
1 
1 
0 
very light 
Illinois Ironclad.... 
22 
0 
0 
0 
light 
Joe Hooker. 
15 
5 
1 
0 
very light 
Kampeska. 
11 
0 
2 
0 
medium 
Kickapoo. 
10 
6 
9 
JU 
0 
medium 
Kopp. 
25 
0 
8 
0 
medium 
Le Due. 
9 
3 
5 
0 
very light 
Leonard. 
16 
0 
5 
0 
medium 
Little Blue Damson. 
15 
7 
0 
1 
medium 
Maryland. 
20 
0 
0 
0 
very light 
Miner. 
21 
8 
0 
0 
very light 
Minnetonka. 
10 
0 
• 2 
0 
very light 
Missouri Apricot.... 
11 
0 
9 
0 
light 
Moon. 
28 
11 
8- 
0 
light 
Ochoeda. 
18 
6 
2 
0 
medium 
Peffer’s Premium... 
17 
1 
10 
0 
medium 
Pen nock’s Hybrid... 
37 
0 
3 
0 
light 
Prairie Flower. 
13 
8 
0 
0 
very light 
Purple Yosemite.. .. 
15 
9 
6 
1 
heavy 
Quaker. 
18 
1 
1 
0 
none 
Rockford. 
2 
1 
0 
1 
very light 
Speer. 
10 
3 
1 
0 
very light 
Van Buren. 
90 
15 
18 
0 
medium 
Weaver. 
9 
1 
0 
0 
very light 
Weaver. 
7 
0 
0 
0 
very light 
Winnebago . 
20 
0 
1 
0 
heavy 
Wolf (young tree) .. 
21 
6 
6 
1 
heavy 
Wyant. 
15 
9 
3 
0 
very light 
Yellow Sweet. 
1 
0 
0 
0 
very light 
699 
123 
129 
7 
It appears from the table that on June 6 there were 123 
well formed fruits and 129 imperfect fruits. Or of 699 
flowers covered, 14.73 P er cent. set g°°d fruits and 15.59 per 
cent, set imperfect fruits. On June 23 the number of fruits 
remaining was 7 which represents practically 1 per cent, of 
the flowers covered. 
The number of fruits produced by the hand-pollinated 
flowers was 6. 
In final results, then, there is a remarkably close agree- 
