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Onion Diseases and Their Control

Description: Revised edition. Report discussing diseases which affect onions in both the field and in storage, and methods for their control. Diseases discussed include smut, downy mildew, leaf mold, fusarium rot, pink root, root knot, neck rot, bacterial soft rot, black mold, smudge, rust, white rot, dodder, damping-off, purple blotch, yellow dwarf, aster yellows, eelworm rot, diplodia rot, blue mold rot, and aspergillus rot.
Date: 1959
Creator: Walker, J. C. (John Charles), 1893-
open access

Shark Sense

Description: Pamphlet informing Navy pilots about sharks to help them survive being stranded in the ocean. Includes biological information on sharks, myths about sharks, how to use the 'shark chaser' given to Navy personnel, and more.
Date: 1959
Creator: United States. Navy. Office of the Chief of Naval Operations. Aviation Training Division.
open access

Sweetpotato Diseases

Description: Revised edition. There are two classes of sweet potato diseases, 1) field troubles (which are either root and stem diseases or leaf diseases), and 2) storage rots. Root and stem diseases include stem-rot, black-rot, foot-rot, scurf, and root-rot; and leaf disease, leaf-blight, white-rust, and leaf-spot. There are many methods of control for field diseases which are discussed. Control of the five storage rots described hinges on careful storage-house management.
Date: 1959
Creator: Hildebrand, E. M. (Earl Martin), 1902- & Cook, Harold T. (Harold Thurston), 1903-
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