Burrill Bernard Crohn Burrill Bernard Crohn Burrill Bernard Crohn (June 13, 1884 – July 29, 1983) was an American gastroenterologist and made the first major advance to identify the disease that now bears his name. Although the description of Crohn's disease is by far his most famous accomplishment, Crohn had a long career both as a clinician, and as a researcher who contributed to modern understanding of many gastrointestinal conditions. Crohn received his bachelor's degree from City College of New York in 1902. He received a medical degree from Columbia University College of Physicians and Surgeons in 1907. Crohn first became an intern
Little cherry disease in 1979, when the last cherry packing line closed. Cherry production in the region resumed in 1996 after mandatory control programs had been put in place. In 1938, parasitic wasps were introduced to the area as biocontrol agents in an attempt to manage the apple mealy bug population, with some success in limiting the speed at which the viruses spread. Little cherry disease Little cherry disease or LChD, sometimes referred to as little cherry, K & S little cherry or sour cherry decline, is a viral infectious disease that affects cherry trees, most notably sweet cherries ("Prunus avium") and sour