WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Tulip : Break (viruses) categories: Bulbs Ornamentals Tulip Tulip Diseases revision date: 2022-11-15 10:49 Tulip break (virus) causing irregular tulip colorPhoto by: R.S. Byther Biology Several viruses affecting tulips are spread by many […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Tulip: Fire categories: Bulbs Ornamentals Tulip Tulip Diseases revision date: 2024-07-07 02:02 Tulip fire damage: black sclerotiaPhoto by: R.S. Byther Biology Tulip fire is caused by a fungus that overwinters in soil, affected […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Narcissus (Daffodil): Basal rot categories: Bulbs Narcissus (Daffodil) Narcissus (Daffodil) Diseases Ornamentals revision date: 2024-07-07 01:55 Narcissus basal rotPhoto by: R.S. Byther Biology Basal rot of narcissus is caused by a soilborne fungus. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Narcissus (Daffodil): Fire categories: Bulbs Narcissus (Daffodil) Narcissus (Daffodil) Diseases Ornamentals revision date: 2024-07-07 01:58 Narcissus firePhoto by: R.S. Byther Biology Narcissus fire is a fungal disease which affects the petals and leaves, […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Narcissus (Daffodil): Leaf scorch categories: Bulbs Narcissus (Daffodil) Narcissus (Daffodil) Diseases Ornamentals revision date: 2023-02-08 12:00 Narcissus leaf scorchPhoto by: R.S. Byther Biology Leaf scorch is caused by a fungus that survives in […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Narcissus (Daffodil): Stem and bulb nematode categories: Bulbs Narcissus (Daffodil) Narcissus (Daffodil) Diseases Ornamentals revision date: 2024-07-07 02:00 Narcissus nematode damagePhoto by: R.S. Byther Biology Nematodes are tiny (often microscopic), parasitic worms that […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Narcissus (Daffodil): Virus diseases categories: Bulbs Narcissus (Daffodil) Narcissus (Daffodil) Diseases Ornamentals revision date: 2024-07-07 02:01 Narcissus yellow stripe virusPhoto by: R.S. Byther Biology While many viruses infect narcissus, two virus diseases (Yellow […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Narcissus (Daffodil): Narcissus bulb fly categories: Bulbs Narcissus (Daffodil) Narcissus (Daffodil) Insects Ornamentals revision date: 2023-02-07 12:00 Narcissus bulb flyPhoto by: R.S. Byther Biology The adult narcissus bulb fly is about 1⁄2″ long […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Iris: Leaf spot categories: Bulbs Iris Iris Diseases Ornamentals revision date: 2024-06-05 02:07 Iris leaf spotPhoto by: R.S. Byther Biology Leaf spot is caused by a fungus which overwinters on dead leaves and […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Iris: Bulb mite categories: Bulbs Iris Iris Insects Ornamentals revision date: 2023-02-07 12:00 Iris bulb mitesPhoto by: A.L. Antonelli Biology Bulb mites are a typical pest of iris in Washington both in the […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Gladiolus: Thrips categories: Bulbs Gladiolus Gladiolus Insects Ornamentals revision date: 2023-02-20 12:00 Gladiolus thrips damagePhoto by: R.S. Byther Biology Gladiolus thrips are tiny insects with feather-like wings, an unusual design in the insect […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Daylily: Daylily gall midge categories: Bulbs Daylily Daylily Insects Ornamentals revision date: 2024-06-05 10:25 Daylily gall midge larvae & damage to budPhoto by: D. Pehling Biology The daylily or Hemerocallis gall midge (Contarinia […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Daylily: Thrips categories: Bulbs Daylily Daylily Insects Ornamentals revision date: 2024-06-05 10:25 thrips damage on gladiolusPhoto by: R.S. Byther Biology Several species of thrips may be found on daylilies. Thrips are tiny (usually […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Dahlia: Virus categories: Bulbs Dahlia Dahlia Diseases Ornamentals revision date: 2022-09-15 01:22 Dahlia mosaic virus symptomsPhoto by: R.S. Byther Biology Tomato spotted wilt virus (thrips vector) induces a yellow-green mosaic, irregular concentric rings, […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Dahlia: Earwigs categories: Bulbs Dahlia Dahlia Insects Ornamentals revision date: 2024-06-12 08:56 Earwig as nuisance pest on flowersPhoto by: M. Bush Biology Earwigs are reddish-brown insects about 3⁄4 inch or less in length. […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Dahlia: Western spotted cucumber beetle categories: Bulbs Dahlia Dahlia Insects Ornamentals revision date: 2022-09-01 07:53 Western spotted cucumber beetlePhoto by: K. Grey Biology The western spotted cucumber beetle is a pest of many […]