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1

Spontanous tetraploids of white lupin (Lupinus albus L.s.I.).I.Origin and some morphological characters

100%
Kazimierski T., Kazimierska E. M.
Genetica Polonica
|
1994
|
vol. 35
|
issue 4
271-284
EN
The studies focused on the mechanism of autotetraploid plant occurrence in a hybrid progeny obtained from crossing geographically distant white lupin subspecies.It has been found that autotetraploid plants occurred : a) parthenogenetically - through dupllication of chromosome number in an unreduced megaspore; b) amphimitically - due to duplication of chromosome number in part of somatic cells: in sectors with a doubled chromosome number there occur 2n gametes.Tetraploid plants occurred parthenogenetically died in the next generation, wheres those occurred amphimitically on chimera plants appeared to be viable.Autotetraploid plants in comparison to diploid forms flowered and matured later were less fertile and characterized by larger seeds.
2

Inheritance of light-cream colloration of vegetative plant organs in yellow lupin (Lupinus luteus L.)

100%
Kazimierska E. M., Kazimierski T.
Journal of Applied Genetics
|
1995
|
vol. 36
|
issue 2
137-146
EN
The inheritance of light-cream coloration of vegetative part in yellow lupin plants was studied. It was found that this trait is inherited monomerically.In homozygous system the gene responsible for light-cream coloration has a plieotropic action.Among others it causes a lower fertility and reduction of seed yield per plant.In heterozygous system symptoms of heterosis are observed.In many aspects of action of dilutus gene is similar to that of dwarf gene in yellow lupin previously described by the autors of this paper.
3

Cytogenetics, embryology and fertility of red clovere (Trifolium pratense L.) with short flowers and anthocyanin spots on the leaves

100%
Kazimierski T., Kazimierska E. M.
Journal of Applied Genetics
|
1995
|
vol. 36
|
issue 4
353-362
EN
Anthocyanin spot on the leaves of red clover is inherited indepently of light spot and uniform leaf colour.The gene determining anthocyanin spot is probably localized on the other chromosomes than the gene determining light spot on the leaves.A short flower tube is also determined by a single recessive gene of a pleiotropic action.It stimultaneously causes reduction of pistil style, thickening of the endithecium layer in anthers - entails their indehiscence, pollen grain-agglutination and often deformation, no division of part of pollen grains into a vegetative and generative cells as well as germination of a single grains in pollen sacks.The changes in the structure of endothecium and pollen grains cause almost complete male and female infertility of plants with short flower tubes.
4

Cytoembryology of infertile segregants of the hybrid Lupinus varius L.x L. digitatus Forsk.

100%
Kazimierska E. M., Kazimierski T.
Journal of Applied Genetics
|
1995
|
vol. 36
|
issue 3
215-227
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