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Residual Effects Of Ethylene On Tulip Growth And Flowering
- Feb 19, 2019 -

Tulip is an ornamental geophyte prized for centuries as a cut flower, potted plant, and garden favorite. Tulip bulbs are grown in fields and sold to specialized producers who "force" the plants into flower after a cold treatment of 12 or more weeks. In cut flower tulip production, bulbs are often forced in hydroponic systems that facilitate flower harvesting. With hydroponic forcing, tulip bulbs are given about 80% to 85% of their required cold duration before ‘‘planting’’ in water or a dilute nutrient solution and then further cooled 1 to 3 weeks to complete the cold requirement. This process allows a minimal level of root establishment before forcing at warmer temperatures.


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