Photos of damaged tulips prompted a consultation with Cornell horticulture professor William B. Miller. His analysis: “Tulip disease 1” shows tulip breaking virus (streaked petals) with possible botrytis spots. “Tulip disease 4” appears to be botrytis on an aging flower. “Malformed 1” might be a genetic cultivar trait. “Malformed 3” could indicate ethylene damage, but ethylene injury only occurs before bulbs enter cold storage, as both ethylene production and sensitivity drop at refrigerator temperatures. Overall, only the last sample suggested possible ethylene issues.
tulip disease 1
tulip disease 4
tulip malformed 1
tulip malformed 3
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