OSU professor warns against excess canola production

An Oregon State University weed scientist said in a legislative hearing March 19 to expect an increase in disease and pest pressure if growers increase production of canola and other brassica seed crops in the Willamette Valley.

"I think if we increase the brassica seed production in the Willamette Valley, using canola or any of the other brassica crops, we will see an increase in diseases and pests," said Carol Mallory-Smith, a professor in the Department of Crop and Soil Sciences at OSU. "It is very, very likely."

he issue of whether canola production in the valley will contribute to an increase in insect, weed and disease pressure is among issues state agriculture officials weighed before deciding recently to allow limited production here.

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