Abstract
Normal pollen with chromosome 3D from Red Bobs had little competitive advantage over pollen deficient for chromosome 3D when a substituted monosomic line of wheat derived from the hybrid Rescue × Golden Ball was selfed. Although the initial rate of pollen tube growth of the 21-chromosome pollen was greater than that of the 20-chromosome pollen, ultimately the two kinds of pollen functioned in the proportions in which they were formed. The 21-chromosome pollen of the substitution monosomic had an advantage over 20-chromosome pollen in a cross with monosomic 3D of Red Bobs, but not with three other 3D monosomic varieties. However, normal pollen in all the reciprocal crosses showed a competitive advantage, affecting fertilization in up to approximately 90% of the cases. Thus chromosome 3D in the Rescue – Golden Ball medium gives the normal pollen little competitive advantage.
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Claims 6
Claim · model-written summary
Normal pollen had little competitive advantage over 3D-deficient pollen in selfed substitution monosomics.
- Taxon
- wheat
Triticum aestivume0 - Material
- Red Bobse0
- Gene
- chromosome 3De0
- Outcome
- little competitive advantagee0
- Comparator
- pollen deficient for chromosome 3De0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Normal pollen with chromosome 3D from Red Bobs had little competitive advantage over pollen deficient for chromosome 3D when a substituted monosomic line of wheat derived from the hybrid Rescue × Golden Ball was selfed.”
Claim · model-written summary
Initial pollen tube growth was faster in 21-chromosome than 20-chromosome pollen.
- Taxon
- wheatTriticum aestivumt0
- Material
- 21-chromosome pollene0
- Outcome
- initial rate of pollen tube growthe0
- Direction
- greatere0
- Comparator
- 20-chromosome pollene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the initial rate of pollen tube growth of the 21-chromosome pollen was greater than that of the 20-chromosome pollen”
t0“WHEAT”
Claim · model-written summary
Ultimately both pollen types functioned in the proportions in which they formed.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- pollen functioned in the proportions in which they were formede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ultimately the two kinds of pollen functioned in the proportions in which they were formed”
t0“WHEAT”
Claim · model-written summary
The 21-chromosome pollen had an advantage in a cross with Red Bobs monosomic 3D.
- Taxon
- wheatTriticum aestivumt0
- Material
- 21-chromosome pollene0
- Gene
- 3De0
- Outcome
- advantagee0
- Direction
- advantagee0
- Comparator
- 20-chromosome pollene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The 21-chromosome pollen of the substitution monosomic had an advantage over 20-chromosome pollen in a cross with monosomic 3D of Red Bobs”
t0“WHEAT”
Claim · model-written summary
The 21-chromosome pollen lacked that advantage with three other 3D monosomic varieties.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- not with three other 3D monosomic varietiese0
- Qualifier
- three other 3D monosomic varietiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but not with three other 3D monosomic varieties”
t0“WHEAT”
Claim · model-written summary
Normal pollen had a competitive advantage in all reciprocal crosses, affecting up to about 90% of fertilizations.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- competitive advantage, affecting fertilizatione0
- Direction
- competitive advantagee0
- Value
- up to approximately 90%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“normal pollen in all the reciprocal crosses showed a competitive advantage, affecting fertilization in up to approximately 90% of the cases”
t0“WHEAT”