Utah Pests
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    Wheat Diseases in Utah

    Wheat Diseases in Utah

    A pathogen that showed up in Cache County this year was wheat stem rust (Puccinia graminis). This pathogen can cause up to 70% yield loss in severe cases. Even though it is called stem rust it also colonizes leaf tissues and sometimes glumes and even seed. Stem infections weaken the stem and when the seed heads mature the stem may not be able to support the weight and break.

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    Downy Mildew in Alfalfa

    Downy Mildew in Alfalfa

    Downy mildew (Peronospora aestivalis) was found in Cache Valley late spring. The pathogen likes cool wet weather which we had plenty of this past spring. The symptoms you see consist of chlorotic or yellow blotches on the leaf surface. On the underside, the leaves are covered in a white to pale violet-colored fungal growth. Those are the spores and fruiting structures that emerge from the leaves.

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    Jack-o'-lanterns: Prevent Your Carved Creation from Becoming a Fungal Fiasco

    Jack-o'-lanterns: Prevent Your Carved Creation from Becoming a Fungal Fiasco

    Carving pumpkins into jack-o'-lanterns is an art form that comes in all shapes, sizes, and levels of difficulty. The final product (usually) makes the pumpkin carver proud and anxious to display his or her work. However, often just a few days later, the artistic creation may start to wither and rot, and eventually, mold will take over. Why does this happen?

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