Subjects affecting wine grape (Vitis vinifera)
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Diseases (2)
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    Foliage Diseases (2)

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Image Subject Name Scientific Name Description
5366577 cold injury (low temperature) Stems of grapevines showing buds killed by cold winter temperatures.
5356775 wheat stem rust Puccinia graminis Stalk of winter wheat showing signs and symptoms of wheat stem rust (Puccinia graminis f.sp. tritici).
5356703 Grapevine Vein Yellows and Leaf Roll Leaf Roll Virus in a grape leaf, and a beetle of unknown species. Note coloration of the leaf veins.

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