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1
A comparative study of certain tissues of giant-hill and healthy potato plants
by Hill, Helen Deuss
[Washington, D.C., 1934

Thesis Book
3
Studies on fusarium diseases of potatoes and truck crops in Minnesota /

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Thesis Book
4
The diseases of the sweet pea /

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Thesis Book
5
Kiemplantenziekten van coniferen.
by Houten, J. G. ten (Johan Gerard)
Utrecht, [publisher not identified], 1939

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Thesis Book
6
Decay of western hemlock in western Oregon and Washington /
by Englerth, George H. (George Henry), 1907-1991
New Haven : Yale University, 1942

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Thesis Book
8
The parasitism of "Colletotrichum lagenarium" (Pass.) Ell. and Halst. /
by Layton, Duke Vivia, 1903-
Ames, Ia, 1937

Thesis Book
9
Insects as vectors of yellow dwarf, a virus disease of onions.
by Tate, Herman Douglas, 1905-
[Ames, Iowa, 1940

Thesis Book
10
Genetics of resistance to bacterial wilt in maize ... /
by Wellhausen, Edwin John, 1907-
Ames, Ia., 1937

Thesis Book
11
Gall development on Pinus sylvestris attacked by the Woodgate Peridermium and morphology of the parasite ... /
by True, Rodney Philip, 1906-
[Philadelphia], 1937

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Thesis Book
12
Resistance of Pinus sylvestris L. to a gall-forming Peridermium ... /
by Hutchinson, W. G., 1903-1994
[Washington, D.C.], [publisher not identified], 1935

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Thesis Book
13
The parasitism of Polyporus schweinitzii on seedling Pinus strobus ... /

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Thesis Book
14
Decay of western hemlock in western Oregon and Washington,
by Englerth, George Henry, 1907-
New Haven, Yale University, 1942

Thesis Book
15
Sapstreak disease of sugar maple : development over time and space /
by Houston, David R., 1932-
Radnor, PA : United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1994

Government Document Thesis Book
16
Effects of H-ion and Al-ion concentrations on damping-off of conifers and certain causative Fungi ... /
by Jackson, Lyle Wendell Redverse, 1900-
[Philadelphia], [publisher not identified], 1940

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Thesis Book
17
Studies in the Fusarium damping-off of conifers ... /

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Thesis Book
19
Bacterial leaf scorch Xylella fastidiosa wells et al. and its potential insect vectors in pin and red oaks in central New Jersey /

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Thesis Book
20
Ecology of Anthonomus musculus: hostplant finding and exploitation by cranberry weevil : a dissertation /

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Thesis Book
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