226 
Vol. XXIX, No. 5 
Journal of Agricultural Research 
dinia nearest the base of a given leaf 
are larger than those from uredinia 
located near the distal end. 
(10) Infection of most hosts and 
varieties is confined to the leaves and 
culms. 
(11) The uredinia and telia of Puc¬ 
cinia glumarum not infrequently occur 
on the kernels and glumes of certain 
varieties of wheat. Such infection 
usually causes noticeable shrinkage of 
the kernels and apparently affects their 
viability. 
(12) The severity and spread of 
stripe rust in any given locality devoted 
to winter wheat depend primarily on 
(а) fall weather conditions favorable 
to seedling infection; ( b ) successful 
hibernation of mycelium; (c) spring 
weather conditions favorable to germi¬ 
nation of urediniospores. 
(J.3) Puccinia glumarum in the Pa¬ 
cific Coast States has been found 
capable of winter survival by means of 
living mycelium or viable uredinio¬ 
spores. 
(14) Varietal-resistance studies indi¬ 
cate the existence of several varieties 
of wheat which are highly resistant to 
Puccinia glumarum . Among the most 
resistant are Turkey (C. I. No. 1558), 
Turkey (C. I. No. 1750), Alton (C. I. 
No. 1438), Prohibition (C. I. No. 4068), 
and Red Russian (C. I. No. 4222). 
LITERATURE CITED 
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(3) Blaringhem, L. 
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en France. Bui. Soc. Bot. France 
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(4) Eriksson, J., and Henning, E. 
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(5) Ferraris, T. 
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(б) Grove, W. B. 
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(7) Hecke, L. 
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(10) Hungerford, C. W. 
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(ID -— 
1922. STUDIES ON THE LIFE HISTORY 
OF STRIPE RUST, PUCCINIA GLU¬ 
MARUM (schm.) Erikss. and Henn. 
Jour. Agr. Research 24:607-620, 
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(12) -and Owens, C. E. 
1923. SPECIALIZED VARIETIES OF PUC¬ 
CINIA GLUMARUM AND HOSTS FOR 
variety tritici. Jour. Agr. Re¬ 
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(13) Jenkin, T. J., and Sampson, K. 
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(14) Klebahn, H. 
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(15) Lang, W. 
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