P. J. O'Gara

1872 – 1927

• A comparative test of fuel oils and appliances used in orchard heating to prevent frost injury
• Bacterial blight of alfalfa in the Salt Lake valley
• New species of Colletotrichum and Phoma
• Occurrence of silver scurf of potatoes in the Salt Lake valley, Utah
• Sterlity in oats caused by grass thrips
• Studies on the water core of apple
• The Pacific Coast cedar rust of the apple, pear, quince and related pome fruits caused by Gymnosporangium blasdaleanum
• The prevention of frost injury in the orchards of the Rogue River Valley, Oregon
• The protection of orchards in the Pacific Northwest from spring frosts by means of fires and smudges
• The raspberry cane blight and how to control it
• Water core of apple