Examples of cherry cultivar compatibility. The blue pistils (stigma, style, and ovary) are Bing maternal tissue. Yellow circles are the pollen grains of the variety listed at the top. A team of Washington and Oregon cherry researchers are working to better understand fruit set, a crop fundamental that can vary dramatically and unpredictably from year to year and variety to variety. In the same year, in a block with different varieties and rootstocks, the percent of fruit set has ranged from a high of 90 percent in Bing on Gisela 5 rootstock to a low of less than 22 percent […]