1. UC IPM
IPM Farm Advisor Jim Stapleton takes soil samples from an old vegetable field infested with weeds, root knot nematodes, and <I>Verticillium</I> for solarization tests.
IPM Farm Advisor Jim Stapleton takes soil samples from an old vegetable field infested with weeds, root knot nematodes, and Verticillium for solarization tests.
Credit: Larry L. Strand