- Author: Jeannette E. Warnert
When Virginia creeper leafhopper made its way into Mendocino and Lake county wine country a few years ago, some certified organic winegrape producers threw in the towel.
“They lost too much income,” said Glenn McGourty, a UC Agriculture and Natural Resources Cooperative Extension advisor in Lake and Mendocino counties. “They decided they were not going to risk their crop until there is a workable biological control solution to this new pest.”
Meanwhile, other organic grape producers are hanging on to their organic certification and counting on UC ANR researchers to come through with a biological control option...