Egbertus "Egbert" van Slogteren (9 April 1888 in Groningen – 17 October 1968 in Haarlem) was a Dutch professor of horticulture and phytopathology, known for his research on flower bulbs and diagnosis of viral diseases in plants.
[1] In 1922, Van Slogteren became in Lisse the director of the newly constructed Laboratorium voor Bloembollenonderzoek (Laboratory for Flower Bulb Research).
In addition to his scientific research, he travelled thousands of kilometres each year to establish and maintain contact with flower bulb growers.
He did lengthy experiments to find treatments to enable optimal flowering of hyacinth, tulip, and narcissus bulbs.
[1] As a representative of the Dutch growers, Van Slogteren travelled five times to the United States to protest against import restrictions.
[1] After the successes with flower bulbs, plant virologists prepared an antiserum for the diagnosis of yellowing disease in sugar beet (cultivars of Beta vulgaris).
[1] In 1935, Egbertus van Slogteren was one of about two dozen plant pathologists who attended the 6th International Botanical Congress held in Amsterdam.
When he retired from his professorship and directorship in 1958, the staff of the Laboratorium voor Bloembollenonderzoek had grown to sixty people, one of whom was his son, ir.