708 
Journal of Agricultural Research 
Vol. XXVIII, No. 7 
Table I .—Result of inoculation of oat varieties with stem rust at Berkeley, Calif., 
in the summer of 1920, as measured on a scale of 0 to 4) in which 0 represents 
immunity and 4 represents complete susceptibility —Continued 
Greenhouse tests 
Field tests 
Host 
Lot No. 
C. I. 
No. 
First 
Second 
First 
Second 
Arena sativa L.—Continued 
var. mutica. (Awns vary in the dif¬ 
ferent lots)...... 
R52g 
R 53e 
3— 
3 
4- 
3-b 
Do.1.... 
3 
3 
4 
Do..... 
R 330a 
4 
4 
4 
4 
Do. 
R 331a 
1716 
4— 
4 
4- 
4— 
var. Nebraska No. 21_ 
R 280a 
841 
3+ 
3- 
4— 
3- 
34- 
var. New Market___-. 
W 1048 
2 + 
3 
4- 
4 — 
var. nigra. (Closely resembles Black 
Mesdag)..... 
R70g 
R 123e 
4 
4 
4- 
var. North Finnish.. 
1882 
4- 
3+ 
4 
3+ 
Do. 
C 1002 
1801 
3+ 
3+ 
34- 
4 
var. Palouse Wonder____ 
W 748 
3+ 
3+ 
4- 
4- 
4 
4— 
var. Potato, v Early Mountain)_ 
W 761 
1192 
3+ 
3 
3- 
4- 
var. praegravis 1.. 
R 62f 
1773 
4- 
Do..!__-. 
R 332a 
1773 
4- 
4- 
4 
3 
Do.... 
R 333a 
1775 
3 
34- 
3 
4- 
var. President. (Closely resembles 
Swedish Select)_ 
R319a 
1629 
3— 
4 
4 
4- 
var. Richland_ 
R 281a 
787 
0 -f 
1 - 
1 
1 - 
Do.-..... 
R 320a 
787 
o4- 
1 - 
1 - 
1 - 
var. Roosevelt. (Closely resembles 
Swedish Select)_ 
R 321a 
1632 
3 
4- 
4- 
3 
var. Rossman....... 
R 322a 
1688 
3+ 
4 
4- 
34- 
var. Ruakura ___ 
I 73 
791 
1 - 
14- 
var. Sandwich. (Oarton No. 5)_ 
W 758 
1194 
3- 
4- 
34- 
2 
3 
var. Scottish Chief.._. 
R 124e 
1901 
4- 
3 
4 
var. Siberian.,..... 
R 282a 
741 
4- 
4- 
3 
4— 
Do. 
R 323a 
1712 
3 
4 
4 
3 
var. Silvermine... 
R 220a 
659 
4 
34- 
3 
4 
4 
Do. 
120 
4 
var. Sixty-Day__ 
R 223a 
165 
4 
3 
2 
2 
Do '.... ’... 
C 1004 
3+ 
3+ 
4- 
34- 
24- 
Do____-.. 
W 661 
165 
3 
3- 
24- 
var. Sixty-Day Selection (of Ethe¬ 
ridge)___ 
C KUO 
1906 
3+ 
3- 
34- 
3- 
var. Snoma. (Received as Snoma 
Winter. Seed mixed, and identifi¬ 
cation of this resistant strain doubt¬ 
ful) __- 
C 274 
1 
1 
1 - 
1 
var. Swedish Crown__ 
C 1006 
3 
3- 
4- 
4 
Do.. 
W 1035 
3 
34- 
4- 
4- 
var. Swedish Select__ 
R 226a 
134 
4- 
3- 
4 
4 
Do.. 
R 228a 
552 
4 
4- 
3 
3 
Do...-. 
R 231a 
1634 
3+ 
4— 
3- 
34- 
Do . 
W 662 
4- 
3 
3 
3 
Do. (Ligowa)..._ 
R 227a 
1740 
4- 
34- 
4- 
4- 
Do_ 
W 1088 
1740 
3 
3 
34- 
3 
Do.-. 
159 
4- 
4- 
var. Swedish Victory____ 
C 1007 
4- 
4 
4- 
4 
var. Tobolsk... 
R 122e 
1893 
3+ 
3 
4 
4 
Do..... 
R 232a 
1709 
3- 
4- 
4- 
4 
var. trisperma .. 
R 334a 
1776 
3- 
4 
3 
3+ 
var. Victor—__ 
R 126f 
1875 
4- 
3 
4 
4- 
Do. (Received as Black Tar¬ 
tarian) ___ 
C 1028 
3- 
4- 
4 
4- 
Do. (Received as Black Alaska). 
var. Victory..... 
W 1023 
3 
34- 
4 
34- 
W 780 
3-f- 
4- 
34- 
34- 
Do_:..... 
R 283 
560 
4- 
4- 
4- 
4 
var. Vogt New Era__ 
C 1023 
3 
4- 
34- 
34- 
var. Wernicke’s Golden_ 
R 324a 
1672 
4- 
4- 
4 
3 
var. White Bonanza*____ 
R 325a 
1650 
4 
4 
34- 
3 
var. White Maine__ 
R 326a 
1651 
4- 
4 
4- 
4- 
var. White Oueen. _ _ . _ _ 
R 327a 
1700 
4 
4 
3 
4 
var. Winter Turf. (Lots of Winter 
Turf differ in kernel color and awns) ^ 
Do.. 
R 169a 
4- 
34- 
3- 
3 
R 235a 
195-15 
3- 
24- 
34- 
4 
Do...... 
R 236a 
274-20 
3 
24- 
3- 
4- 
Do...... 
R 237a 
673 
4- 
4-. 
3 
4 
var. Winter Turf. (Received as Gray 
Winter)..__. 
W 1030 
3- 
3- 
4 
4 
var. Black X Sixty-Day. 
W 1186 
4- 
34- 
3 
3-f 
Arena sativa orientalis L. 
var. Black Tartarian. (Received as 
Black Diamond)..... 
R 308a 
1763 
4- 
4 
34- 
4 — 
Do.1..... 
W 762 
3 
34- 
34- 
3- 
var. Eclipse. (Mixed, containing re¬ 
sistant strain of White Tartar type). 
R 274a 
843 
3 
34* & 1- 
4- 
1- & 4 
