Abstract
Reciprocal F 1 triticale hybrids (× Triticosecale Wittmack) produced from crosses between primary 6x amphiploids (C 1 ) were synthesized that differed only in their source of cytoplasm. One member of each reciprocal pair possessed hexaploid (6x) wheat cytoplasm (Triticum aestivum L. em Thell), the other, tetraploid (4x) wheat cytoplasm (T. turgidum L.). Comparisons of agronomic and reproductive behavior were made between members of reciprocal F 1 pairs. Initial embryo development, embryo survival in vitro, and survival of F 1 wheat-rye hybrids were 10, 105, and 127% higher respectively when the female parent possessed 6x as compared with 4x wheat cytoplasm. Similarly, F 1 amphiploids with 6x cytoplasm were 3.0% taller and developed 25.0% more fertile tillers than their genetically identical counterparts with 4x cytoplasm. Spike morphology and floret number were not found to be influenced by source of cytoplasm. As current triticale procedures require the synthesis of new wheat-rye amphiploids for the introduction of genetic variability, it is suggested that the utilization of 6x wheat cytoplasm would enhance such a program as well as improve the agronomic performance of triticales so synthesized.
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Claims 7
Claim · model-written summary
Initial embryo development was 10% higher with 6x than 4x wheat cytoplasm.
- Taxon
- triticale
×Triticosecalee1 - Treatment
- 6xe0
- Outcome
- Initial embryo developmente0
- Direction
- highere0
- Value
- 10e0
- Comparator
- 4x wheat cytoplasme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Initial embryo development, embryo survival in vitro, and survival of F 1 wheat-rye hybrids were 10, 105, and 127% higher respectively when the female parent possessed 6x as compared with 4x wheat cytoplasm”
e1“Reciprocal F 1 triticale hybrids (× Triticosecale Wittmack)”
Claim · model-written summary
Embryo survival in vitro was 105% higher with 6x than 4x wheat cytoplasm.
- Taxon
- triticale×Triticosecalee1
- Treatment
- 6xe0
- Outcome
- embryo survival in vitroe0
- Direction
- highere0
- Value
- 105e0
- Comparator
- 4x wheat cytoplasme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Initial embryo development, embryo survival in vitro, and survival of F 1 wheat-rye hybrids were 10, 105, and 127% higher respectively when the female parent possessed 6x as compared with 4x wheat cytoplasm”
e1“Reciprocal F 1 triticale hybrids (× Triticosecale Wittmack)”
Claim · model-written summary
Survival of F1 wheat-rye hybrids was 127% higher with 6x than 4x wheat cytoplasm.
Verbatim
e0“Initial embryo development, embryo survival in vitro, and survival of F 1 wheat-rye hybrids were 10, 105, and 127% higher respectively when the female parent possessed 6x as compared with 4x wheat cytoplasm”
Claim · model-written summary
F1 amphiploids with 6x cytoplasm were 3.0% taller than those with 4x cytoplasm.
- Taxon
- triticale×Triticosecalee1
- Treatment
- 6x cytoplasme0
- Outcome
- tallere0
- Direction
- tallere0
- Value
- 3.0%e0
- Comparator
- 4x cytoplasme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“F 1 amphiploids with 6x cytoplasm were 3.0% taller and developed 25.0% more fertile tillers than their genetically identical counterparts with 4x cytoplasm”
e1“Reciprocal F 1 triticale hybrids (× Triticosecale Wittmack)”
Claim · model-written summary
F1 amphiploids with 6x cytoplasm developed 25.0% more fertile tillers than those with 4x cytoplasm.
- Taxon
- triticale×Triticosecalee1
- Treatment
- 6x cytoplasme0
- Outcome
- fertile tillerse0
- Direction
- moree0
- Value
- 25.0%e0
- Comparator
- 4x cytoplasme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“F 1 amphiploids with 6x cytoplasm were 3.0% taller and developed 25.0% more fertile tillers than their genetically identical counterparts with 4x cytoplasm”
e1“Reciprocal F 1 triticale hybrids (× Triticosecale Wittmack)”
Claim · model-written summary
Cytoplasm source did not influence spike morphology or floret number.
- Taxon
- triticale×Triticosecalee1
- Treatment
- source of cytoplasme0
- Outcome
- Spike morphology and floret numbere0
- Direction
- not found to be influencede0
- Comparator
- 4x wheat cytoplasme2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spike morphology and floret number were not found to be influenced by source of cytoplasm”
e1“Reciprocal F 1 triticale hybrids (× Triticosecale Wittmack)”
e2“6x as compared with 4x wheat cytoplasm”
Claim · model-written summary
The authors suggest using 6x wheat cytoplasm to enhance triticale synthesis and agronomic performance.
- Taxon
- triticales×Triticosecalee0
- Outcome
- utilization of 6x wheat cytoplasme0
- Direction
- improvee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the utilization of 6x wheat cytoplasm would enhance such a program as well as improve the agronomic performance of triticales so synthesized”