Development of Pollen-free Easter Lily strains by Cross-breeding Lilium × formolongi hort. and Easter Lily (Lilium longiflorum Thunb.)

A pollen-free strain was obtained in the F2 generation by cross-breeding of Lilium × formolongi variety ‘Akita Kiyohime’ and Easter lily (Lilium longiflorum) variety. The gene for pollen-free is recessive inheritance. The incidence of pollen-free individuals in the F2 generation is influenced by see...

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Bibliographic Details
Published inEngeigaku kenkyuu Vol. 22; no. 3; pp. 197 - 206
Main Authors Okazaki, Keiichi, Yokoi, Naoto, Imakiire, Seiro, Saito, Takaaki
Format Journal Article
LanguageJapanese
Published Kyoto-City THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE 2023
Japan Science and Technology Agency
Subjects
Bolting
Cross-breeding
Cut flowers
Filament
Flowering
Germination
Increased consumption
Lilium
Lilium longiflorum
Male sterility
Pollen
Recessive inheritance
Seed germination
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ISSN1347-2658
1880-3571
DOI10.2503/hrj.22.197

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Summary:A pollen-free strain was obtained in the F2 generation by cross-breeding of Lilium × formolongi variety ‘Akita Kiyohime’ and Easter lily (Lilium longiflorum) variety. The gene for pollen-free is recessive inheritance. The incidence of pollen-free individuals in the F2 generation is influenced by seed germination rate, bolting rate, and flowering rate of the strain, and fluctuates. The cultivated strain shows vigorous growth of Lilium × formolongi in addition to being completely pollen-free, and can produce cut flowers with smaller bulbs than the conventional Easter lily variety.
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ISSN:1347-2658
1880-3571
DOI:10.2503/hrj.22.197