910 
Journal of Agricultural Research 
Vol. XXXI, No. 10 
Table IV .—Longevity of teliospores of Cronartium ribicola Continued 
Date tested 
Ribes species, place of collection, and date collected 
R. nigrum 
town, N. 
1923 
(7), Wever- 
Y., Aug. 6, 
R. nigrum 
hams, N. 
1923 
(8), Wad- 
Y., Aug. 6, 
R. odoratum (9), War- 
rensburg, N. Y., Aug. 
7,1923 
Date tested 
Germination 
Columns 
Columns 
Columns 
Teliospores 
Num¬ 
ber 
Per 
cent 
Teliospores 
Num¬ 
ber 
Per 
cent 
Teliospores 
Num¬ 
ber 
Per 
cent 
a Ha « i<m 
97 
97 
XXX. 
A nor IS 1Q93 
100 
66 
66 
XXX_ 
91 
91 
XXX.- 
68 
91 
XXX. 
A n(7 99 1Q93 
100 
115 
32 
Mostly 
XXX. 
xx-xxx, 
100 
94 
47 
XX..... 
75 
47 
20 
XX. 
Aug. 29, 1923 .. 
360 
166 
54 
200 
132 
53 
x-xxx, 
235 
25 
17 
XX. 
Coni S 1Q9Q 
310 
115 
195 
94 
375 
70 
59 
25 
mostly XXX. 
XX-XXX, 
mostly XXX. 
X-XX, 
250 
19 
9 
mostly XX. 
X. 
145 
1 
1- 
XXX. 
o6pt> Oj - 
q An t 19 1Q23 
210 
27 
7- 
XX.... 
170 
2 
1- 
X. 
Sept. 19, 1923_ 
24 
mostly XX. 
X-XX, 
411 
23 
9- 
X-XX, 
292 
3 
1- 
X. 
Sept. 26, 1923.— 
291 
59 
39 
mostly XX. 
x-xxx, 
260 
27 
14 
mostly X. 
X-XX, 
311 
0 
0 
0. 
Ont. 3. 1923 
150 
41 
20 
mostly XX. 
XX... 
191 
6 
3- 
mostly XX. 
X-XX, 
200 
0 
0 
0. 
in 1Q93 
205 
4 
2+ 
33 
x _ 
221 
2 
1- 
mostly X. 
X.... 
182 
0 
0 
0. 
rkrtt 17 1Q9ft d e. 
165 
93 
XX 
250 
0 
0 
o.—.— 
115 
0 
0 
0. 
OJ. 1Q9ft d e 
280 
39 
281 
ah 
14 
21 
X 
388 
0 
0 
0 _ 
77 
0 
0 
0. 
f\nt- 91 1099 d / 
XX 
280 
200 
UCt. Oly JlVZO ° c . 
ou 
280 
Ribes species, place of collection, and date collected 
R. nigrum (10), North 
Conway, N. H., Aug. 
11,1923 
R. glandulosum (11), 
Crawford Notch, N. 
H., Aug. 11,1923 
R. triste (12), Crawford 
Notch, N. H., Aug. 11, 
1923 
Germination 
! 
Columns 
Columns 
Columns 
Teliospores 
Num¬ 
ber 
Per 
cent 
Teliospores 
Num¬ 
ber 
Per 
cent 
Teliospores 
Num¬ 
ber 
Per 
cent 
A 11(7 is 1023 i 
‘0 
0 
0 ... .. 
c 12 
14 
X-XX, 
cd 70 
70 
XXX. 
iV U 5 * 1J7AW. .. 
A ncr 99 1Q93 
100 
2 
20 
X.. 
85 
5 
14 
mostly X. 
XX_ 
100 
75 
44 
XXX. 
AUg* L&6Q --- 
A 11(7 2Q 1Q23 1 
Id 
123 
88 
XXX_ 
37 
68 
52 
x-xxx, 
170 
83 
64 
x-xxx, 
Sept. 5, 1923.. 
140* 
38 
18 
x-xxx, 
130 
42 
27 
mostly XXX. 
X-XXX, 
130 
41 
16 
mostly XXX. 
X-XXX, 
Ptont 19 1023 
212 
21 
15 
mostly XX. 
XX_ 
155 
19 
12 
mostlyXX. 
X-XXX, 
155 
71 
24 
mostlyXX 
X-XX, 
OOP t * - - -- 
Sept. 19,1923. ... 
136 
30 
34 
x-xxx, 
158 
27 
15 
mostly X. 
X-XX, 
291 
37 
19 
mostly XX. 
XX. 
Qant 9fi 1Q93 
88 
3 
93 
3 
mostly XX. 
X _ 
177 
7 
6- 
mostly X. 
X_ 
195 
18 
12 
x-xxx, 
Ocpt. JlVAO - 
120 
145 
'1 
1 - 
mostly XX. 
X. 
136 
0 
0 
0 . 
225 
not- 17 1 Q9ft d e 
0 
0 
0 . 
OJ 1Q93 d e 
55 
0 
0 
0 . 
. i 
168 
c Germination in moist chambers. 
iNo precooling. 
e Tests at Bethel, Vt. 
