Leaf roll-necrosis complex of lilacs in an urban environment. [Syringa vulgaris]
TL;DRAbstract
Lilacs in the metropolitan New York area have developed a foliar disorder characterized by leaf roll, interveinal and marginal necrosis, chlorosis, bronzing, and early leaf abscission that is sometimes followed by a break in dormancy of terminal buds. Investigations indicate that this disorder is not due to plant nutrition, Anthropod infestation, or plant pathogens. Air pollutants, including ozone, are implicated.
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Lilacs in the metropolitan New York area have developed a foliar disorder characterized by leaf roll, interveinal and marginal necrosis, chlorosis, bronzing, and early leaf abscission that is sometimes followed by a break in dormancy of terminal buds. Investigations indicate that this disorder is not due to plant nutrition, Anthropod infestation, or plant pathogens. Air pollutants, including ozone, are implicated.
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