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Blackspot on roses near tree
"JimS." wrote in message news:kPPBa.1038545$3D1.607580@sccrnsc01... Does being near or under a tree make blackspot worse? My Kentucky Derby is always COVERED with blackspot, and no amount of anything will keep it from looking pitiful. The sun helps to keep the leaves dry, and direct sunlight helps to keep the spores from germinating, so its position in partial shade may have more to do with it than the variety. I don't have that variety, but I have noticed that the roses in *full* sun have noticeably less fungal disease in general, than those who share their sunlight. Scopata Fuori |
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