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Showing Collections: 81 - 90 of 101

USDA Division of Forage Crops and Diseases Collection of Weed Photographs

 Collection
Identifier: MS0194
Content Description The USDA Division of Forage Crops and Diseases Collection of Weed Photographs consists of approximately 1,400 negatives (glass and nitrate) and black and white photographs of weeds in different geographic locations. There are images of weed specimens, fields with weeds, experimental plots of land, weeds in suburban yards, downtown Washington, DC, corn fields, fallow fields, experiment stations, desert areas, and farm land, as well as examples of well-kept fields. There are also photographs...
Dates: 1906-1946

USDA Drug and Poisonous Plant Investigations Photograph Collection

 Collection
Identifier: MS0274
Content Description The USDA Drug and Poisonous Plant Investigations Photograph Collection consists of black-and-white lantern slides with images from research projects conducted by the Drug and Poisonous Plant Investigations division of the Bureau of Plant Industry. Some of the slides feature images of medicinal plant gardens at various institutions across the United States. Other subjects include drug plant field plots at the USDA South Farm in Beltsville, Maryland; drug plant specimens; distribution charts...
Dates: 1902-1943

USDA Forage Crop Investigations Notebooks

 Collection
Identifier: MS0325
Content Description The USDA Forage Crop Investigations Notebooks consist of field notes written by William J. Morse from 1909 to 1930 while he was working for the U.S. Department of Agriculture (USDA) Forage Crop Investigations. There are 55 handwritten ledgers documenting Morse's discoveries of foreign plants throughout his international travels. Almost half of the field notes relate to the Dorsett-Morse Oriental Agricultural Exploration Expedition of 1929 to 1931. See also the Dorsett-Morse Oriental...
Dates: 1909-1930; Majority of material found within 1929-1931

USDA Fruit Laboratory Card Files

 Collection
Identifier: MS0365
Content Description

The USDA Fruit Laboratory Card Files contain a series of catalog cards describing of a wide range of fruits. Card entries include dates of information.

Dates: undated

USDA Library Plant Sciences Card Catalog

 Collection
Identifier: MS0440
Content Description The Plant Sciences Card Catalog of the U.S. Department of Agriculture (USDA) Library was developed over a half century, and consists of three divisions: author catalog, plant pathology catalog, and subject catalog. Work on this catalog ceased on July 18, 1952 because of lack of funds.The plant science subject catalog (Botany Subject Index) is a card catalog with entries arranged alphabetically by subject and by scientific names, broken down into divisions and subdivisions of...
Dates: 1893-1952

USDA Molecular Plant Pathology Laboratory Photograph Collection

 Collection
Identifier: MS0392
Content Description The USDA Molecular Plant Pathology Laboratory Photograph Collection includes photographs, associated notes, and a record book on various U.S. Department of Agriculture (USDA) activities and personnel, dated between 1888 and 1968. The collection contains a series of photographs related to testing insecticide spraying apparatuses on different crops between 1912 and 1944. Much of the collection consists of photographs of employees from departments of Plant Industry and Plant Pathology, and...
Dates: 1888-1968

USDA Pear Psylla Control Investigations Lantern Slide Collection

 Collection
Identifier: MS0287
Content Description

The USDA Pear Psylla Control Investigations Lantern Slide Collection contains color lantern slides produced by the U.S. Department of Agriculture (USDA) Bureau of Entomology and Plant Quarantine, Fruit Insect Investigations, Pear Psylla Control. There are 13 slides of pears infected with pear psylla, 3 slides of maps, and a slide showing a chart of spraying operations in counties of Washington, Idaho, and Oregon in 1941.

Dates: 1941

USDA Pink Bollworm Project Photograph Collection

 Collection
Identifier: MS0129
Content Description The USDA Pink Bollworm Project Photograph Collection documents the work of the Plant Quarantine and Control Administration on bollworm detection, prevention, and quarantine measures. Photographs show scientists' processes for cleansing the soil of bollworms, views of infested fields, and the effects of bollworms on cotton and other plants. There are photographs of inspection sites in Texas and New Mexico; field clean-up activities in Arizona; and an album of colleagues' portraits presented...
Dates: 1930-1998

USDA Plant Introduction Station (Chico, California) Photograph Collection

 Collection
Identifier: MS0436
Content Description The USDA Plant Introduction Station (Chico, California) Photograph Collection consists primarily of photographs and negatives of pistachios that were grown in Chico, California. Photographers include W. E. Whitehouse, R. L. Taylor, J. C. Long, C. L. Stone, and Mitchell. Some photographs were taken at the Beltsville, Maryland, area and Washington, D.C., laboratories since specimens were sent there from Chico. Additional subjects include persimmons, walnuts, pears, crabapples, apricots, plums,...
Dates: 1912-1952

USDA Plant Introduction Station (Miami, Florida) Records

 Collection
Identifier: MS0468
Content Description The USDA Plant Introduction Station Records consist of correspondence, notes, reports, plant inventories, photographs, lists, books, and drawings from files compiled by the Bureau of Plant Industry's plant introduction garden in Miami, Florida. The bulk of the files contain primarily notes, correspondence, clippings, and pamphlets on the subject of mangoes. There is also original and copy correspondence between David G. Fairchild and personnel at the Miami station. Other records include...
Dates: 1895-1951; Majority of material found within 1908-1919

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