Lactarius repraesentaneus namely repraesentins B and C. These compounds were shown to promote the radicle elongation of lettuce seedlings by 136%, 118% and 184% at 67 ppm, respectively. Other compounds reported in 2006 are repraesentins D, E, and F. Repraesentin E showed the strongest growth promotion activity, 164% at 3.6 µm, of the three compounds toward the radicle elongation of lettuce seedlings. Lactarius repraesentaneus Lactarius repraesentaneus, commonly known as the northern bearded milkcap, the northern milkcap, or the purple-staining milkcap, is a species of fungus in the Russulaceae family. It has a northerly distribution, and is found in temperate regions of North
David E. Shank David E. Shank David E. Shank (August 21, 1888March, 1972) was a founder and, for 40 years, general manager of the Valley of Virginia Cooperative Milk Producers Association. The Association was an early and successful example of the agricultural marketing cooperative movement in the United States. Among other accomplishments, the Association under Shank developed and marketed Shenandoah's Pride, a prominent milk brand today in the mid-Atlantic region of the United States. Shank grew up in Rockingham County, Virginia, in the Shenandoah Valley. As a young man, he moved to Minnesota to work as a manager at the Swift & Company