WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Balsam twig aphid categories: Conifers Ornamentals True Fir True Fir Insects revision date: 2024-06-05 08:29 Balsam twig aphidPhoto by: A.L. Antonelli Biology Balsam twig aphids feed on needles and buds of […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Balsam woolly adelgid categories: Conifers Ornamentals True Fir True Fir Insects revision date: 2024-06-05 02:07 Balsam woolly adelgid damagePhoto by: R.S. Byther Biology The balsam woolly adelgid feeds on the stems […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Coneworms categories: Conifers Ornamentals True Fir True Fir Insects revision date: 2023-02-07 12:00 Coneworm larvae on pinePhoto by: K. Grey Biology Coneworms attack trees by boring into shoot tips or stems, […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Giant conifer aphids categories: Conifers Ornamentals True Fir True Fir Insects revision date: 2024-06-05 08:34 Giant conifer aphids on pinePhoto by: A.L. Antonelli Biology Giant conifer aphids are large (up to […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Spruce budworm categories: Conifers Ornamentals True Fir True Fir Insects revision date: 2023-04-12 12:00 Caption: Spruce budwormPhoto by: T.J. Fitzgerald Biology These larvae feed on the buds and foliage and may […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Annosus root rot categories: Conifers Ornamentals True Fir True Fir Diseases revision date: 2023-02-07 12:00 Annosus root rot decayed wood with black flecksPhoto by: B.M. Johnson Biology Annosus root rot is […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Armillaria root rot categories: Conifers Ornamentals True Fir True Fir Diseases revision date: 2024-07-28 03:07 White fungal mat of Armillaria root rot infecting trunkPhoto by: C.R. Foss Biology Armillaria root rot […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Current-season needle necrosis categories: Conifers Ornamentals True Fir True Fir Diseases revision date: 2023-02-07 12:00 Current-season needle necrosisPhoto by: R.S. Byther Biology Current-season needle necrosis affects noble fir and grand fir. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Flowers categories: Conifers Ornamentals True Fir True Fir Diseases revision date: 2023-02-07 12:00 Fir flowersPhoto by: R.S. Byther Biology Old, spent flower parts remaining on twigs can be misinterpreted as a […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. True Fir: Grovesiella canker categories: Conifers Ornamentals True Fir True Fir Diseases revision date: 2023-02-07 12:00 Fir Grovesiella cankerPhoto by: R.S. Byther Biology Grovesiella canker is a fungal disease found mainly on the […]