Abstract
In order to introduce new characters such as resistances, flower shape and colour, from wild species into the cultivar assortment of lily it is necessary to overcome interspecific crossing barriers.. Several techniques have been used for wide interspecific lily crosses with species and cultivars from the different sections of the genus Lilium (L. longiflorum, L. henryi, L. canadense L. concolor, L. dauricum, L. candidum, L. rubellum, L. martagon, Asiatic and Oriental hybrids). Hybrids originating from intersectional crosses (e.g. L. longiflorum x L. concolor, L. longiflorum x L. dauricum, L. longiflorum x L. henryi, L. longiflorum x L. martagon, L. longiflorum x L. candidum, L. longiflorum x Asiatic hybrids (LA), L. longiflorum x Oriental hybrids (LO), L. longiflorum x L. rubellum, L. longiflorum x L. canadense, Oriental x Asiatic hybrids (OA) and L. henryi x L. candidum) have been produced. Especially the Oriental x Asiatic hybrids are a break-through in lily breeding and a promise for the future. In general wide interspecific lily hybrids show F1-sterility. Using chromosome doubling techniques tetraploids with restored fertility are produced from these diploid hybrids. At this moment a crossing programme at polyploid level with these hybrids is being carried out.
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Claims 3
Claim · model-written summary
Intersectional lily crosses produced hybrids.
- Outcome
- Hybrids originating from intersectional crossese0
LiliumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hybrids originating from intersectional crosses (e.g. L. longiflorum x L. concolor, L. longiflorum x L. dauricum, L. longiflorum x L. henryi, L. longiflorum x L. martagon, L. longiflorum x L. candidum, L. longiflorum x Asiatic hybrids (LA), L. longiflorum x Oriental hybrids (LO), L. longiflorum x L. rubellum, L. longiflorum x L. canadense, Oriental x Asiatic hybrids (OA) and L. henryi x L. candidum) have been produced”
t0“LILY”
Claim · model-written summary
Wide interspecific lily hybrids generally show F1 sterility.
- Outcome
- F1-sterilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general wide interspecific lily hybrids show F1-sterility”
Claim · model-written summary
Chromosome doubling produced fertile tetraploids from diploid lily hybrids.
- Treatment
- chromosome doubling techniquese0
- Outcome
- tetraploids with restored fertilitye0
- Comparator
- diploid hybridse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Using chromosome doubling techniques tetraploids with restored fertility are produced from these diploid hybrids”
t0“LILY”