50.2 MB (50.0 MB compressed)
3362 x 5220 pixels
28.4 x 44.2 cm ⏐ 11.2 x 17.4 in (300dpi)
PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY
Editorial use only.
Plant pest defence research. Researcher applying a plant hormone precursor to a potato (Solanum sp. ) plant in order to induce chemical defences against insects. Photographed at the Agricultural Research Service's (ARS) Fruit and Vegetable Insect Research Unit, Wapato, Washington, USA.
Model release not available. Property release not required.