Seedling diseases of sugar beets and their relation to root-rot and crown-rot ; Histological relations of sugar-beet seedlings and Phoma betae ; Rheosporangium aphanidermatus, a new genus and species of fungus parasitic on sugar beets and radishes /
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| Language: | English |
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| Format: | Dissertations Book E-Resource |
| Physical Description: | 3 pts. in 1 v. : ill., plates, photos., tables ; 25 cm. |
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