14 
BULLETIN 1195, U. S. DEPARTMENT OF AGRICULTURE. 
Table 1. — Potato crosses grouped according to pollen parent recorded by the United 
States Department of Agriculture during the 9-year period from 1914 to 1922, inclu- 
sive — Continued. 
Date of 
crossing. 
July 24,1922 
July 24,1920 
July 28,1920 
June 5, 1922 
June 7,1922 
July 13,1922 
July 19,1922 
Aug. 2,1920 
July 22,1919 
July 17,1920 
July 22.1919 
July 22,1920 
Julv 20,1920 
"Do 
Julv 21,1922 
Ju.y 20,1922 
Do 
July 13,1922 
Do 
July 12,1922 
July 19,1922 
July 18,1S22 
July 20,1922 
Julv 21,1922 
July 29,1920 
July 26,1920 
July 24,1920 
Do 
July 21,1922 
July 21,1920 
July 25,1921 
July 16,1920 
Aug. 5,1920 
Parents. 
Factor x Seedling 24642 
Irish Cobbler X Seedling 24642 
McCormickx Seedling 24642 
MclntyreX Seedling 24642 
do 
Papa Chaucba (S. A. No. 327)XSeedling 24642 . 
do 
Russet Rural X Seedling 24642 
Seedling 11844 X Seedling 24642 
do 
Seedling 387 74 X Seedling 24642 
Seedling 40043X Seedling 24642 
Seedling 40108X Seedling 24642 
Seedling 40238X Seedling 24642 
Seedling 4056.SX Seedling 24642 
Seedling 41420X Seedling 24642 
Seedling 41462X Seedling 24642 
Seedling 41639X Seedling 24642 
Seedling 4l70lxSeedling 24642 
Seedling 4 1 704 X Seedling 24642 
do 
Seedling 41772X Seedling 24642 
do 
Seedling 41S93X Seedling 24642 
Seedling 9-1 X Seedling 24642 
Seedling 9-1 1 x Seedling 24642 
Seedling 9-12X Seedling 24642 
Seedling 9-13X Seedling 24642 
SeedlingX45 (1920)x Seedling 24642 
Sharpe's ExpressX Seedling 24642 
Solanum sp. (Mexico)X Seedling 24642 
Triumphx Seedling 24642 
Yellow-fleshed variety (from Costa Rica) 
X Seedling 24642 
Total and average . 
July 7,1922 \ Seedling 4240X Seedling 39117. 
July 10,1922 i do 
July 11,1922 do 
July 26,1922 \ do 
Total and average . 
July 20,1920 I Charles DowningX Seedling 40108. 
July 18,1921 Early OhioX Seedling 40108 
Aug. 3,1921 I do 
July 23,1920 | Seedling 40238X Seedling 40108 ... . 
July 24, 1920 i Seedling 9-13X Seedling 40108 
Do : TriumphX Seedling 40108 
Total and average . 
June 
July 
July 
June 
June 
June 
Aug. 
June 
June 
20. 1921 
29. 1920 
24. 1922 
7, 1922 
9, 1922 
13. 1921 
2, 1920 
17. 1922 
23, 1921 
Aug. 8,1914 
Do 
Do 
Do 
Do 
Do 
Do , 
American GiantX Seedling 40568 
British QueenX Seedling 40568 
HamakuaX Seedling 40568 
MclntyreX Seedling 40568 
do 
Rural New YorkerX Seedling 40568. 
Russet Rural X Seedling 40568 
Seedling 39117XSeedling 40568 
Seedling 40768X Seedling 40568 
Total and average . 
Farmerx Senator 
Freemanx Senator 
Gold Coin x Senator 
Green MountainX Senator. 
Late Blightless X Senator . . 
McKinleyX Senator 
NorcrossX Senator 
Total and average. 
involved 
in cross. 
BX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
AX1 
-XI 
-XI 
—XI 
AX1 
-XI 
-XI 
-XI 
-XI 
AXl 
AX1 
AXl 
AXl 
AXl 
AXl 
AXl 
AXl 
BX1 
AXl 
Number of— 
Flowers 
AXl 
AXl 
AXl 
AXl 
BX1 
AXl 
AXl 
AXl 
AXl 
BX1 
AXl 
BX1 
AXl 
AXl 
AXl 
AXl 
AXl 
AXl 
AXl 
AX- 
AX- 
AX- 
AX- 
Seed 
balls 
produced 
27 I 
108 
i 
3 ! 
37 
48 , 
44 
37 
19 I 
21 
41 
47 
14 
49 
6 
33 
16 
12 
2 
2 
25 
28 
33 
32 
42 
19 
13 
,491 
35 
143 
175 
.'■.07 
Percent- 
age of 
success. 

46.30 
9.52 


60.00 

51.35 

47.73 
27.03 
47.37 
66.67 
80. 49 
76.60 
14.29 
2.04 

27.27 
25.00 



68.00 
50.00 
30. 30 
6.25 
16.67 
84.21 
38.46 

13.11 
36 
77 
34.00 


29.63 
22.86 
43.75 

60.00 
39.34 

22.22 
25.17 
45.45 

57.89 
100 
75.00 
36.36 
46.67 
100 
7.69 
44 


50.00 



5.26 
9.43 
