Ethylene sensitivity of tulip cultivars: Some are resistant to ethylene!

May 2019 issue of the Cornell Flower Bulb Research Program Research Newsletter:

This newsletter presents the latest word on ethylene sensitivity of tulip cultivars (current as of May 2019).  Over 10 years, our research has indicated that about 20% of the 160+ tulip cultivars tested so far are substantially resistant to ethylene (as tested in the October/November time frame). These results are especially useful for exporters, USA warehouses, and also for tulip breeders.

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