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Cut Flower Species for Tunnel Production

This research focuses on selecting high-value cut flower species that thrive in tunnel production, with earlier production, rain protection, heat tolerance, disease, and insect tolerance. It also explores species suitable for fall tunnel production under challenging conditions. Findings on successful, failed, and neutral species are discussed.

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Cut Flower Species for Tunnel Production

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  1. 2004 Cut Flower ResearchDr. H. Christian WienDepartment of HorticultureCornell UniversityIthaca, NY

  2. CUT FLOWER SPECIES CHOICE FOR TUNNEL PRODUCTION • Should be high value • Species that will have significant earlier production in the tunnel • Species that do better under protection from rain • Flowers that grow well in spite of high temperature spikes • Relatively disease and insect-tolerant

  3. Early Season Species for High Tunnels Earliness in the tunnel versus outside:

  4. Early Season Species for High Tunnels Productivity inside and outside:

  5. Early Season Species for High Tunnels Stem length inside tunnel and outside:

  6. Other Species we have tried for early Tunnel Production: • SUCCESSFUL: • Larkspur • Sunflower • Godetia • Salpiglossis • Amaranth • Trachelium • FAILURE: • Stocks

  7. Species for Fall Tunnel Production • A more challenging situation: • Going from hot to cold and dark conditions • Daylength may not be appropriate • Planting may be delayed by spring crops • Keep in mind need for fall colors • May have more disease and insect pressure

  8. Species for Fall Tunnel Production • SUCCESSFUL: • Foxglove: ‘Camelot’ series continued flowering into fall • Cosmos: grew well, but this year, outside Cosmos as good • Zinnia: ok until weather turned cold • Trachelium: spring planting continued flowering into fall • FAILURE: • Rudbeckia: 5 vars. failed to flower: wrong daylength • Scabiosa: planted too late (sown 6/29) • Salpiglossis: planted too late (sown 6/29)

  9. Species for Fall Tunnel Production • NEUTRAL: • Ornamental Kale: looked better outside in our mild fall conditions this year • Dianthus: Sweet William, continued flowering from spring planting, but stems short

  10. Lisianthus Variety Trial

  11. Lisianthus Variety Trial, 2004

  12. Snapdragon Variety Trial, 2004

  13. Dianthus (Sweet William) variety trial

  14. Foxglove (Digitalis) variety trial, 2004

  15. Cockscomb Celosia Trial, 2004

  16. Cockscomb Celosia Trial, 2004

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