Infected plants develop dark, water soaked lesions on stems, leaves or fruit.
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Scabby spots on fruits and leaves are sunken and may have velvety spores in the center.
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Common on cherries, peaches and plums, but may also affect other kinds of stone fruits.
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Attacks plum, apricot, cherry and chokecherry trees -- both fruiting and ornamental.
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Ripening tomato and pepper fruits develop a large, sunken, leathery spot on the bottom end.
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A common pathogen affecting almonds, apricots, cherries, peaches and plums.
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Look for pale yellow, pinhead sized spots on the upper surface of the leaves shortly after bloom.
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Infected plants in the cabbage family will have misshapen and deformed (clubbed) roots.
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Galls can grow up to 5 inches in diameter and release thousands of spores as they rupture.
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Common on woody shrubs and herbaceous plants including grapes, raspberries and roses.
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Occurs when old seed is planted in cold, wet soil and is further increased by poor drainage.
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Symptoms appear as yellow to white patches on the upper surfaces of older leaves.
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Brown spots with concentric rings that form a “bull’s eye” are found on lower leaves.
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A bacterial disease named for the scorched appearance of infected plant leaves.
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Yellowing and wilting of lower leaves, especially in tomato and potato plants.
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Identified as gray soft, mushy spots on leaves, stems, flowers and produce.
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Appears as a dusty white to gray coating over leaf surfaces and other infected plant parts.
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Found on potato and tomato leaves as pale green spots, often beginning at leaf tips or edges.
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Leaves have dark water-soaked spots, sometimes with a yellow halo, usually uniform in size.
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Infected plant leaves have intermingled patches of light green or yellowish colors.
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Affects the blossoms, fruit, leaves and shoots of backyard peach and nectarine trees.
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A common tuber disease that shows as dark, pithy patches that may be raised and “warty.”
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Reddish-orange spore masses are found primarily on the surface of lower leaves.
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We offer least-toxic, natural and organic fungicides to prevent most disease problems.
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