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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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    Managing Pests With Fall Garden Clean-Up

    Managing Pests With Fall Garden Clean-Up

    If you let plant debris or residue stand, you're allowing for the possibility of all sorts of problems next season. Plant debris can harbor different fungal blights or overwintering insects.

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    'Intensive' beekeeping not to blame for common bee diseases

    'Intensive' beekeeping not to blame for common bee diseases

    More 'intensive' beekeeping does not raise the risk of diseases that harm or kill the insects, new research suggests.

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    European Earwig: Fruit Pest, Potential Ally, or Both?

    European Earwig: Fruit Pest, Potential Ally, or Both?

    With menacing rear-pincers, and the name "earwig," the European earwig (Forficula auricularia) is creepy. However, what role do they play in agricultural settings like orchards?

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    Samurai wasp, Trissolcus japonicus, detected in Utah

    Samurai wasp, Trissolcus japonicus, detected in Utah

    On June 17 2019, two brown marmorated stink bug egg masses that were parasitized by Trissolcus japonicus were found on northern catalpa (Catalpa speciosa) leaves in Salt Lake City. This is the first detection of T. japonicus in Utah.

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    How plants cope with iron deficiency

    How plants cope with iron deficiency

    Researchers have discovered a new switch that plants use to control their responses to iron deficiency

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    Dangerous bee virus might be innocent bystander

    Dangerous bee virus might be innocent bystander

    Beekeepers urged to rethink fears around deadly virus. A study challenges the long-held belief that the parasitic Varroa mite transmits the deformed wing virus of honeybees and in doing so changes the virus to make it more virulent and deadly.

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    Future of US citrus may hinge on consumer acceptance of genetically modified food

    Future of US citrus may hinge on consumer acceptance of genetically modified food

    The battle to save the citrus industry is pitting a team of agriculture researchers against a formidable brown bug, the Asian citrus psyllid, which spreads citrus greening disease.

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