Diversity of flower colours in Rhododendron simsii
Planch. and prospects for breeding

Heursel, J.

doi:10.1007/bf00033654

Cited by 22 publications

(12 citation statements)

References 3 publications

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“…Many breeders have tried to produce yellow-flowered evergreen azaleas using intersubgeneric crosses between evergreen species and yellow-flowered deciduous species belonging to subgen. Pentanthera (Heursel 1981;Noguchi 1932). However, most of these crosses failed to produce progenies because of the low frequency of capsule set and the small viable seed numbers.…”

Section: Introductionmentioning

confidence: 98%

Contribution made by the carotenoid cleavage dioxygenase 4 gene to yellow colour fade in azalea petals

2015

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Section: Introductionmentioning

confidence: 98%

Contribution made by the carotenoid cleavage dioxygenase 4 gene to yellow colour fade in azalea petals

2015

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“…Published research focussing on evergreen azalea morphology concerns diversity of flower colours (Heursel 1981), inheritance of the hose in hose character (sepals forming a corolla like structure; Heursel 1976), content and composition of flavonoids which determine flower colour (Heursel and Horn 1977), corolla size, number of stamens and percentage of plants with petaloid stamens (Heursel and Garretsen 1989) and other taxonomic characters (Chamberlain and Rae 1990).…”

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confidence: 99%

A contribution to the classification of evergreen azalea cultivars located in the Lake Maggiore area (Italy) by means of AFLP markers

Scariot

Handa

Riek³

2007

Euphytica

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The amplified fragment length polymorphism (AFLP) technique was employed to assess the genetic conformity within a gene pool of evergreen azaleas. Ninety-three genotypes grown in historical gardens and nurseries of the Lake Maggiore area (Northern Italy), locally classified in the groups Indica, Japonica and Amoena, 44 reference cultivars of the four more or less universally recognized groups Belgian, Hirado, Kurume and Satsuki, and 40 species and species accessions that most concurred in the origin of the reference groups were included. Aims of the study were to define the genetic profiles of the Italian accessions and to provide useful information for their classification and pedigree reconstruction. Ordination analyses were used to evaluate if the AFLP technique can be applied to establish phylogenetic relationships and to investigate the DNA-based relatedness within the Italian gene pool and between the latter and the reference one. The results regarding the Italian accessions were compared with morphological data by means of Mantel's test. Assignment tests both on the level of the groups and on individual plant level for the reference and Italian genotypes were applied to further evaluate the relatedness of the groups or individual accessions. Results demonstrated that the AFLP technique together with morphological characterization can contribute to depict the phylogeny of the evergreen azalea. Comparing the reference and Italian genotypes, conclusions about the classification of the evergreen azalea cultivars located in the Lake Maggiore area were drawn.

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“…Although interspecific crosses between evergreen species and R. japonicum f. flavum have been conducted by several researchers (Akabane et al, 1971;Heursel, 1981;Noguchi, 1932;Yamaguchi et al, 1985), most of the crosses were unsuccessful because of their cross incompatibilities, with the following results.…”

Section: Crossability Of Intersubgeneric Crossesmentioning

confidence: 99%

“…Pentanthera (Akabane et al, 1971;Heursel, 1981;Noguchi, 1932;Yamaguchi et al, 1985). Most of these crosses, however, failed to obtain progenies because of the low frequency of capsule set and viable seeds.…”

Section: Introductionmentioning

confidence: 99%

“…Most of these crosses, however, failed to obtain progenies because of the low frequency of capsule set and viable seeds. Almost all of the progenies from the crosses, if obtained, were albino plants, which withered away within a year (Heursel, 1981;Yamaguchi, 1986). An effective breeding method to obtain many viable seeds and to reduce albino plants is desired.…”

Section: Introductionmentioning

confidence: 99%

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Study of Cross Incompatibility between Evergreen and Deciduous Azaleas

Ureshino

2008

J. Japan. Soc. Hort. Sci.

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Diversity of flower colours in Rhododendron simsii Planch. and prospects for breeding

Cited by 22 publications

References 3 publications

Contribution made by the carotenoid cleavage dioxygenase 4 gene to yellow colour fade in azalea petals

Contribution made by the carotenoid cleavage dioxygenase 4 gene to yellow colour fade in azalea petals

A contribution to the classification of evergreen azalea cultivars located in the Lake Maggiore area (Italy) by means of AFLP markers

Study of Cross Incompatibility between Evergreen and Deciduous Azaleas

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