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Wheat (Triticum aestivum)-Septoria tritici Blotch March 2023 By C. Hagerty, C. Mundt, and C. M. Ocamb See: Wheat (Triticum aestivum)- Stagonospora nodorum Blotch Cause The fungus, Zymoseptoria tritici (syn. Mycosphaerella graminincola, anamorph Septoria t ...

Wheat (Triticum aestivum)-Snow Molds and Snow Rots March 2023 Cause Fungi cause four different snow mold diseases including Typhula ishikariensis and T. incarnata, which cause speckled snow mold; Microdochium (Fusarium) nivale, which causes pink snow mold ...

Wheat (Triticum aestivum)-Stem Rust (Black Rust) March 2023 See: Barberry (Berberis spp.)- Rusts Cause A fungus, Puccinia graminis, that overwinters as black weather-resistant spores (teliospores) on wheat stubble and straw. Alternate hosts are species of ...

Wheat (Triticum aestivum)-Stripe Rust (Yellow Rust) March 2023 See: Fungicide Effectiveness as Seed Treatments for Cereal Diseases Cause A fungus, Puccinia striiformis (syn. P. glumarum), which may oversummer on volunteer or early fall-seeded wheat and ce ...

Wheat (Triticum aestivum)-Take-all March 2023 See: Wheat (Triticum aestivum)- Common Root Rot (Seedling Blight) Wheat (Triticum aestivum)- Fusarium Root, Crown, and Foot Rot (Crown Rot, Foot Rot, Seedling Blight, Dryland Foot Rot) Wheat (Triticum aestivum ...

Wheat (Triticum aestivum)-Wheat Soilborne Mosaic March 2023 Cause A virus, Wheat soilborne mosaic virus, transmitted by a soilborne fungus-like organism, Polymyxa graminis. In 1993, the disease was first found west of the Rocky Mountains, in Washington an ...

Wheat (Triticum aestivum)-Wheat Streak Mosaic March 2023 Cause Wheat streak mosaic virus, a potyvirus vectored by an eriophyid mite, Aceria tulipae. The virus attacks and overwinters in wheat, oat, barley, and rye, and a large number of wild grass genera ...

Willow (Salix spp.)-Bacterial Twig Blight March 2023 See: Lilac (Syringa spp.)- Bacterial Blight Cause Pseudomonas syringae pv. syringae, a bacterium that overwinters in twig and branch cankers. Although the bacteria survive on the outside of the plant th ...

Willow (Salix spp.)-Canker See: Poplar (Populus spp.)- Canker ...

Willow (Salix spp.)-Crown Gall See: Rose (Rosa spp.) and hybrids- Crown Gall ...