Interspecific Breeding for Warm-Winter Tolerance in Tulipa gesneriana L.

Abstract

Focus on breeding of Tulipa gesneriana has largely concentrated on appearance. Through interspecific breeding with more warm-tolerant species, tolerance of warm winters could be introduced into the species, decreasing dormancy requirements and expanding the range of tulips southward. Additionally, long-lasting foliage can be favored in breeding to allow plants to store more energy for daughter bulbs. Continued virus and fungal resistance breeding will decrease infection. Primary benefits are for gardeners and landscapers who, under the current planting schedule, are planting tulip bulbs annually, wasting money. Producers benefit from this by reducing cooling times, saving energy, greenhouse space, and tulip bulbs lost to diseases in coolers

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