All posts in Pacific Northwest

  • Alfalfa field

    Alfalfa weevils: To treat or not to treat

    PACIFIC NORTHWEST: The crop’s looking great, but it’s always a question of whether you should treat for alfalfa weevil. To get the answer, use a sweep net to first check and see if larvae are in the field. Economic thresholds can be determined several ways: whether to treat will depend on how many insects, how much feeding damage and/or how close you are to harvest. Refer to the Pacific Northwest Extension Insect Management Handbook for…

Wheat crop injury due to excessive use of adjuvant
Young sugarbeet plant
Rhizoctoniz on sugarbeets
Black scurf on a potato