May 17,1924 
Resistance of Oat Varieties to Stem Rust 
709 
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 t in which 0 represents 
immunity and 4 represents complete susceptibility —Continued 
Host 
Lot No. 
C. I. 
No. 
Greenhouse tests 
Field tests 
First 
Second 
First 
Second 
Avena sativa orientalis L.—Continued 
var. Eclipse... 
R 312a 
843 
4- 
4 
4 
3-f 
var. Garton 748.-__ 
R 298a 
1612 
4- 
4- 
4- 
3 
Do_____- 
R 109e 
1863 
4 
4- 
4 
3 
var. Garton Gray.. 
R 172a 
4— 
3-4- 
4 
A 
var. German type_ 
R 335a 
4 
4 
4— 
A 
Do.. 
R 336a 
4— 
4 
4 
rk 
4 
Do.. ..-... 
R 337a 
4 
4 
4 
A 
var. Golden Giant--- 
R 173a 
1866 
4 
4- 
3+ 
3-f 
var. Green Mountain (White Tartar 
type).... 
R llOe 
1872 
1 
1 
1 
1- 
var. Improved Roberts__ 
C 1017 
3+ 
4— 
4- 
4 
var. Long's White Tartar (White Tar- 
tar type)_ __- 
C 1026 
1+ 
1-f 
1 + 
1— 
var. mutica (White Tartar type)_ 
R 32i 
1 
1 
2- 
1 
var. obtusata __ 
R 33i 
4— 
4— 
3- 
3 
var. setosa ... 
R 302a 
1618 
4 
4- 
2 
4— 
var. Short Tartarian (Sparrowbill 
type)_ 
C 1027 
3+ 
4- 
4 
3— 
var. Sparrowbill... 
R llle 
1867 
4— 
3 
3+ 
4 
Do... 
C 1030 
1812 
4- 
4- 
3+ 
3 
var. Storm King___ 
R 112d 
3+ 
4- 
4 
4 
Do..- 
C 1001 
3+ 
4 
3+ 
4— 
var. White Egyptian (Sparrowbill 
type).......— 
R 300a 
1605 
2 
4 
4— 
4 
var. White Tartar. (Mostly received 
as White Russian).. 
R 284a 
551 
1- 
1 
0+ 
1+ 
Do. (Received as Improved Sno- 
ma Winter). 
C 1016 
1+ 
1 
1 
1 
Do... 
R 301a 
1614 
1- 
1+ 
1 
1 
Do.... 
198-4 
1- 
1 — 
Do... 
I102J 
1 
1— 
Do.... 
I 1021-5 
1+ 
1 
2- 
1- 
Do.-. 
I 102|-7 
1 
1 
1 
0+ 
Do. (Received unnamed)_ 
K 6096 
1 
1- 
Do...1...—.- 
R 174a 
1- 
1 
1- 
1+ 
Do. (Received as Tartarian)_ 
C 1020 
1+ 
1+ 
1 
Do. (Received unnamed;' has 
more awns than normal) _. 
R 299a 
1615 
3+ 
4- 
4- 
4- 
Do. . 
W 739 
441 
1 
1 .. 
0+ 
Avena sterilis L. 
var. Bathurst No. 4. 
C 1014 
1810 
3 
4- 
3+ 
4- 
var. Burt_____ 
R 67n 
4 
3+ 
2+ 
2+ 
Do. 
R 74k 
4 
4- 
3 
3 
Do____ 
R 175a 
4- 
4 
2 + 
2-f 
Do . 
R 253a 
4- 
4 
3 
3+ 
Do.... 
C 1005 
1798 
4- 
4- 
3- 
3+ 
Do...... 
125 
3+ 
3+ 
3- 
3- 
var. Burt Selection.. . 
C 1011 
3+ 
4 
4— 
3-f 
var. California Red____ 
C 1003 
1026 
4- 
4 
3 
4- 
var. Early Ripe.. 
R 75j 
4- 
3+ 
4 
4 
Do. ’ .. 
126 
3- 
3- 
var. Fulghum____ 
R 257a 
708 
4- 
4- 
3 
Do. ~ (Received as King).. 
R 129f 
850 
4- 
3+ 
2 + 
2 + 
var. Improved California Red.. 
C 1013 
1811 
4- 
4 
3- 
3-f 
var. Italian Rustproof.. 
R 258a 
388-6 
3 
3+ 
3+ 
4- 
Do. 
R 259a 
388-6 
3+ 
3 
var. ludoviciana Dur.. 
R 291a 
1781 
3+ 
4 
3+ 
4 
var. nigra. (Received as Black Oat).. 
C 1008 
4 
4 
4_ 
4 
Do. 
R 130c 
3 
3+ 
3- 
3 
var. No. 356.. 
C 1009 
4 
4 
3- 
3- 
var. Red Algerian... 
C 286 
286 
3+ 
4 
3+ 
3+ 
var. Red Rustproof.... 
R 263a 
4- 
4- 
3 
3 
Do. 
R 265a 
4- 
3+ to 4— 
3 
3-f 
Do . 
I 67 
3 
3- 
var. Sterilis Selection (of Etheridge)... 
R 132e 
1859 
4- 
4- 
3- 
3 
var. Sunrise___ 
C 1012 
1799 
3- 
4- 
3+ 
3-f 
var. Red Rustproof.... 
W 768 
3 
3+ 
3 
2+ 
var. Turkish Rustproof.. 
R 267a 
356 
4- 
4- 
3+ 
3-f 
Do .. 
R 268a 
356-12 
4- 
3+ 
4 
var. (Received unnamed)... 
R 28k 
4- 
4 
3+ 
4 
Avena strigosa Schreb. 
var. . 
R 29j 
4- 
4- 
3+ 
2 
var.... 
R 133e 
1782 
4- 
4 
3- 
3- 
var. (Received as Avena harhata ) 
I 119-3 
2+ 
3 
Do..... 
I 119-4 
3 
3+ 
3- 
3-f 
