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Monthly Archives: April 2023
Low heat units indicate late start to 2023 season
Winter is holding us tight this year in the Willamette Valley, but it may be finally losing its grip. A break in the rain and warmer temperatures in the forecast will be a relief for hazelnut growers with orchards susceptible … Continue reading
Hazelnut aphids are out
We have been noting aphid emergence over the last two weeks, but there remain a lot of unhatched eggs around the buds and on the bark. The unhatched eggs remaining may be primarily filbert aphid, Myzocallis coryli, as most of … Continue reading