plant science and plant products

Content Description The USDA Division of Cereal Crops and Diseases Photograph Collection contains glass and acetate negatives, as well as black and white prints. Subjects include aspects of cereal crop classification, production, utilization, farm machinery, diseases, and pests in the United States and foreign countries. Crops pictured include corn, barley, oats, sorghum, sorgo, milo, millet, wheat, flax, rice, rye, and kafir. A number of the negatives were used in the Journal of Agricultural Research, U.S....

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...

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...

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...

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.

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...

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...

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.

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...

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,...