ISHS Acta Horticulturae 630: XXVI International Horticultural Congress: Nursery Crops; Development, Evaluation, Production and Use
INTERSPECIFIC HYBRIDIZATION IN ABELIA |
| Authors: | S.M. Scheiber, C.D. Robacker |
| Keywords: | Abelia chinensis, Abelia floribunda, ovule culture, embryo rescue |
| Abstract:
For nearly a century, Abelia x grandiflora has been utilized in southern United States landscapes. Abelia x grandiflora is one of only two interspecific hybrids ever developed and released within the genus. Abelia contains approximately 30 species that vary widely in a number of traits including flower color, flower size, growth habit, and cold hardiness. Despite the potential for interspecific hybridization, breeding work in the genus has been limited. Interspecific crossability was assessed among seven taxa of Abelia. Abelia chinensis ranked as the best maternal and paternal parent in crosses. Interspecific hybrids varied in percent seed set, dependent on the parentage. Previously unrecorded interspecific hybrids were obtained between A. chinensis x A. engleriana, A. chinensis x A. spathulata, and A. chinensis x A. serrata. | |
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