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Research Plot 30, is a historic agriculture site on the North Dakota State University campus in 
Fargo, North Dakota
Fargo ( /ˈfɑɹɡoʊ/) is a city in and the county seat of Cass County, North Dakota, United States. According to the 2020 census, its population was 125,990, making it the most populous city in the state and the 219th-most populous city in ...
. When the pioneers broke up the grass prairie sod, flax
Flax, also known as common flax or linseed, is a flowering plant, ''Linum usitatissimum'', in the family Linaceae. It is cultivated as a food and fiber crop in regions of the world with temperate climates. Textiles made from flax are known in ...
was usually one of the first crops sown. If flax was sown continuously or with short rotations between subsequent flax crops, the flax became diseased and was called "flax sick" by farmers. The symptoms were wilting and dying flax plants during the growing season. The site is located near Centennial Avenue and 18th Street North. Flax was first planted at the site in 1894 by Professor Henry L. Bolley, a noted researcher in flax botany. By 1900, the flax plants were dead or dying. Bolley identified flax pathogens introduced by the plants themselves as the cause, and further identified resistant plants. Flax breeding programs from all over the world have sent material to NDSU to be tested for resistance to flax wilt in Plot 30.
The site was listed on the National Register of Historic Places in 1991. At the time of the nomination, the site had been cultivated in flax for nearly a century. and
See also
*Research Plot 2
Research Plot 2, located near Centennial Ave. and 18th St. N. on the North Dakota State University campus in Fargo, North Dakota. The plot was established in 1882 on land that was broken from native prairie sod. It has been sown to spring wheat ...
, also NRHP-listed, nearby, famous as site of wheat research
*Beatrice Willard Alpine Tundra Research Plots
The Beatrice Willard Alpine Tundra Research Plots were established in 1959 along Trail Ridge Road in Rocky Mountain National Park, Colorado, above the treeline in an alpine tundra habitat. The plots were used by Beatrice Willard of the Institu ...
, Estes Park, Colorado, NRHP-listed
References
1894 establishments in North Dakota Geography of Cass County, North Dakota History of agriculture in the United States Farms on the National Register of Historic Places in North Dakota North Dakota State University National Register of Historic Places in Cass County, North Dakota Flax Phytopathology {{NorthDakota-NRHP-stub