Subjects affecting wine grape (Vitis vinifera)
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Image Subject Name Scientific Name Description
5487920 bacterial leaf scorch Xylella fastidiosa Vitis vinifera 'Chardonnay' Failure of green shoot tissue to mature normally to mature, dark brown appearance.
5487916 bacterial leaf scorch Xylella fastidiosa Vitis vinifera 'Chardonnay' Leaf scorch and chlorosis. This sample was co-diseased with Downy Mildew.
5487917 bacterial leaf scorch Xylella fastidiosa Vitis vinifera 'Chardonnay' Leaf scorch and chlorosis This sample was co-diseased with Downy Mildew
5487918 bacterial leaf scorch Xylella fastidiosa Vitis vinifera 'Chardonnay' Green tissue ("green island") on shoot adjacent to normally matured wood and "matchstick" petiole.
5487919 bacterial leaf scorch Xylella fastidiosa Vitis vinifera 'Chardonnay' Failure of green shoot tissue to mature normally to mature, dark brown appearance.
5487921 bacterial leaf scorch Xylella fastidiosa Vitis vinifera 'Chardonnay' Green tissue ("green island")on shoot adjacent to normally matured wood and "matchstick" petiole.
5487922 downy mildew Plasmopara viticola Vitis vinifera 'Chardonnay' Sporulation on underside of leaf

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