VIEW ARTICLE

Effect of Oxygen Tension on the Growth of Phytophthora cactorum. Ronald P. Covey, Jr., Assistant Plant Pathologist, Tree Fruit Research Center, Wenatchee, Washington 98801. Phytopathology 60:358-359. Accepted for publication 24 September 1969. DOI: 10.1094/Phyto-60-358.

When three cultures of Phytophthora cactorum were grown at O₂ levels ranging from 21% to 0.2%, maximum dry wt of each culture was obtained at 21% O₂, and wt decreased with each decrease of percentage O₂.