Vegetable production

Control of Rust and Downey Mildew of Table Beets (1989)


Report to the Oregon Processed Vegetable Commission

Ross Penhallegon
OSU Dept of Horticulture

Dan McGrath
OSU Dept of Horticulture

Paul Koepsell
OSU Dept of Botany and Plant Pathology


  1. To evaluate the effectiveness of registered and unregistered chemical controls of Rust, Leaf Spot, and Downey Mildew in Table Beets (Uromyces betae, Cercospora beticola, and Peronospora schachtii.)

Assessment of Value of Aqueous Nitrogen Fertilizer Solutions as Fertilizer and Herbicide Supplement in Broccoli (1989)


Report to the Oregon Processed Vegetable Commission

Garvin Crabtree
Bill Mansour
OSU Dept of Horticulture


  1. Determine the potential selective herbicidal activity of three nitrogen-containing fertilizer solutions.
  2. Compare broccoli response to nitrogen applied in these foliar sprays to equal amounts of nitrogen applied in the usual form of side-dressed fertilizer.

Status Report Table Beets, Aphid Control, Virus Suppression and Yield Response 1990


Aphid populations are being monitored in 4 different red table beet plantings in the South Willamette Valley. Fields were
selected because of their proximity to sugar beets being grown for seed. Yellow pan traps with water are being used to monitor black bean aphid and green peach aphid flights into beets. Aphid populations are being monitored on beets for in field build up.

Dinoseb Grant 1990



  • Evaluate weed control efficacy and crop tolerance of Cobra on processing peas.
  • Evaluate combinations of MCPA amine, Basagran, Poast and crop-oil for weed control efficacy and crop tolerance in processing peas.
  • Investigate the feasibility of field sampling to determine weed densities and weed species of sampled fields.
  • Follow development of black and hairy nightshade from emergence through crop harvest to determine potential for crop contamination.

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