Rich Pedroncelli
In this Sept. 22, 2010 photo, Leith Gardner, the general manager of Zaiger Genetics, leads a tour of growers around the 140-acre genetic fruit orchard, founded by her father Floyd Zaiger, in Modesto, Calif. Zaiger, 85, uses his farm as a laboratory to develop new varieties of fruit through cross-pollination instead of using chemicals or DNA. (AP Photo/Rich Pedroncelli)
