Your description indicates that you have had downy mildew on your impatiens. Downy mildew of impatiens has been observed in the United States since about 1994 but became more widespread and ...
The pickle is in peril. Each summer since the mid 2000s, Florida winds carry downy mildew to cucumber fields north. By summer's end, the disease reaches Michigan, leaving a trail of withered leaves ...
October 2025 | Written by: Andrew Kness, M.Sc. Extension Research Assistant, Nathan Kleczewski, Ph.D. Extension Plant Pathologist, Kathryne Everts, Ph.D. Extension Vegetable Plant Pathologist Downy ...
Gardeners looking to grow impatiens — those shade loving, colourful blooms — this summer will have to rethink their plans. A strain of downy mildew disease has recently been found in the Fraser Valley ...
A fungal disease, a systemic form of downy mildew, is causing entire paddock losses in poppy growing regions across Tasmania. Downy mildew stunts plant growth, yellows the leaves and has spores that ...
Basil can add a little zest to any meal. But downy mildew disease threatens the herb’s very existence. University of Florida Institute of Food and Agricultural Sciences researchers are trying to ...
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