California braces for a deadly stalker of citrus
Saturday, April 14, 2012 - 00:30
in Biology & Nature
A graft of pomelo — a symbol of good fortune in many Asian cultures — was the likely source of the state's first documented case of huanglongbing, a citrus disease with no known cure that is spread by the Asian citrus psyllid.The worst disease known to the citrus industry may have arrived in California on a bud of friendship.