Claim · model-written summary
Triploid embryo germination was greatest at seven weeks under the specified culture medium.
- Taxon
- xChitalpae0
- Treatment
- SH with 20 g•L⁺¹ sucrose and ≥ 1 μM gibberellic acid (GA₃)e0
- Outcome
- Germination of triploide0
- Direction
- greateste0
- Value
- 7 weekse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Verbatim
e0“Germination of triploid [(polyploid xChitalpa) x C. bignonioides] and tetraploid (selfed polyploid xChitalpa) embryos was greatest at 7 weeks after pollination on SH with 20 g•L⁺¹ sucrose and ≥ 1 μM gibberellic acid (GA₃).”
Title
Richard T. Olsen NCSU Libraries Repository (North Carolina State University Libraries) 2007
Other claims from this paper (19)
- Intervention effect Oryzalin treatment induced tetraploids and cytochimeras in xChitalpa.
- Observation Diploid cultivar pollen was nonviable.
- Observation Polyploid pollen stained and germinated as well as progenitor pollen.
- Observation Self pollination of polyploid xChitalpa yielded tetraploids.
- Observation Crosses of polyploid xChitalpa with C. bignonioides yielded triploids.
- Observation Reciprocal crosses with Chilopsis taxa failed.
- Observation Tetraploid embryo germination was greatest at seven weeks under the specified culture medium.
- Observation Triploids from Chilopsis linearis crosses germinated below 5%.
- Observation North American Catalpa taxa were moderate to highly susceptible to powdery mildew.
- Observation Chilopsis taxa were moderate to highly susceptible to powdery mildew.
- Observation xChitalpa taxa were moderate to highly susceptible to powdery mildew.
- Observation Chinese Catalpa species were resistant to powdery mildew.
- Observation West Indian Macrocatalpa taxa were resistant to powdery mildew.
- Observation North American and Chinese Catalpa hybrids varied in powdery mildew susceptibility.
- Observation Catalpa, Chilopsis and xChitalpa taxa did not differ in larval survival or growth.
- Observation Diploid tutsan foliage traits fit a recessive unlinked gene model.
- Observation Tetraploid tutsan had more variegated progeny, with intermediate segregation ratios.
- Observation Triploid tutsan showed extremely low male fertility.
- Observation Triploid tutsan showed no measurable female fertility or viable seed production.