In what could be the only Golden Delicious planting in California, Dr. R. Scott Johnson said that the real value of the NC-140 rootstock trial at the University of California’s Kearney Agricultural Center is in the evaluation of fireblight susceptibility. Since the NC-140 Golden Delicious dwarfing rootstock trial was planted in 2003, Johnson, who is the UC Cooperative Extension specialist for tree fruit, said that about one-third of the trees have been lost. “About ten percent of the trees randomly didn’t grow, but that wasn’t due to fireblight. But since the initial dying, most of the ones that die are […]