Abstract
ABSTRACT The use of founder parents in parental selection can significantly improve breeding efficiency and is crucial for crop variety renewal and replacement. To understand the genetic characteristics of plant height in the high‐quality founder parent Linfen 5064, DH populations were constructed using Linfen 5064 as the female parent and Nongda 3338 and Jinmai 47 as the male parents to identify the loci correlated with plant height in Linfen 5064 and analyze the genetic effects of these loci. Twenty stable QTLs associated with plant height were detected in the two DH populations, explaining 1.69%–45.12% of the phenotypic variation. QPH LJ.4B.1 , QPH LJ.5A.2 , QPH LJ.6A.1 , QPH LN.4B.1 , and QPH LN.6A.1 were detected in more than seven environments. The lines carrying QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064 showed significant plant height reduction effects, at 13.13%, 8.72%, and 14.80%, respectively, with relatively small negative effects on thousand‐grain weight and grain number per spike and no delay in heading date. An additive effect analysis revealed that the lines carrying both QPH‐LJ.4B.1 LF5064 and QPH‐LJ.5A .2 LF5064 could significantly reduce the plant height by 25.12% and significantly increase the number of grains per spike by 17.15%. In addition, the stable QTLs QPH‐2D.1 and QPH‐5A , which control the plant height effect from Linfen 5064, were simultaneously detected in the two DH populations, and the heights of the lines containing these two allelic variations were significantly reduced. Further analysis revealed that the stable and highly effective QPH‐LN.4B.1 locus had an average transmission rate of 100% to the first generation of derivatives and rates of 68% and 67% to the second and third generations of derivatives, respectively. These findings indicate that Linfen 5064, as the founder parent, is superior in terms of reducing plant height.
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Claims 15
Claim · model-written summary
Twenty stable plant height QTLs were detected in two DH populations, explaining 1.69%-45.12% of phenotypic variation.
- Taxon
- Wheat
Triticum aestivumt0 - Material
- two DH populationse1
- Outcome
- Twenty stable QTLs associated with plant heighte1
- Value
- 1.69%–45.12%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“Twenty stable QTLs associated with plant height were detected in the two DH populations, explaining 1.69%–45.12% of the phenotypic variation”
Claim · model-written summary
Five plant height QTLs (QPH LJ.4B.1, QPH LJ.5A.2, QPH LJ.6A.1, QPH LN.4B.1, QPH LN.6A.1) were detected in more than seven environments.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH LJ.4B.1 , QPH LJ.5A.2 , QPH LJ.6A.1 , QPH LN.4B.1 , and QPH LN.6A.1e1
- Outcome
- detected in more than seven environmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“QPH LJ.4B.1 , QPH LJ.5A.2 , QPH LJ.6A.1 , QPH LN.4B.1 , and QPH LN.6A.1 were detected in more than seven environments”
Claim · model-written summary
Lines carrying QPH-LJ.4B.1 LF5064 showed significant plant height reduction of 13.13%.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LJ.4B.1 LF5064e1
- Outcome
- plant heighte1
- Direction
- reductione1
- Value
- 13.13%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“The lines carrying QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064 showed significant plant height reduction effects, at 13.13%, 8.72%, and 14.80%, respectively, with relatively small negative effects on thousand‐grain weight and grain number per spike and no delay in heading date”
Claim · model-written summary
Lines carrying QPH-LJ.5A.2 LF5064 showed significant plant height reduction of 8.72%.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LJ.5A.2 LF5064e1
- Outcome
- plant heighte1
- Direction
- reductione1
- Value
- 8.72%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“The lines carrying QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064 showed significant plant height reduction effects, at 13.13%, 8.72%, and 14.80%, respectively, with relatively small negative effects on thousand‐grain weight and grain number per spike and no delay in heading date”
Claim · model-written summary
Lines carrying QPH-LN.4B.1 LF5064 showed significant plant height reduction of 14.80%.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LN.4B.1 LF5064e1
- Outcome
- plant heighte1
- Direction
- reductione1
- Value
- 14.80%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“The lines carrying QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064 showed significant plant height reduction effects, at 13.13%, 8.72%, and 14.80%, respectively, with relatively small negative effects on thousand‐grain weight and grain number per spike and no delay in heading date”
Claim · model-written summary
Lines carrying these three QTL alleles had relatively small negative effects on thousand-grain weight and grain number per spike.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064e1
- Outcome
- thousand‐grain weight and grain number per spikee1
- Direction
- negative effectse1
- Qualifier
- relatively smalle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“The lines carrying QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064 showed significant plant height reduction effects, at 13.13%, 8.72%, and 14.80%, respectively, with relatively small negative effects on thousand‐grain weight and grain number per spike and no delay in heading date”
Claim · model-written summary
Lines carrying these three QTL alleles showed no delay in heading date.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064e1
- Outcome
- heading datee1
- Direction
- no delaye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“The lines carrying QPH‐LJ.4B.1 LF5064 , QPH‐LJ.5A.2 LF5064 , and QPH‐LN.4B.1 LF5064 showed significant plant height reduction effects, at 13.13%, 8.72%, and 14.80%, respectively, with relatively small negative effects on thousand‐grain weight and grain number per spike and no delay in heading date”
Claim · model-written summary
Lines carrying both QPH-LJ.4B.1 LF5064 and QPH-LJ.5A.2 LF5064 significantly reduced plant height by 25.12%.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LJ.4B.1 LF5064 and QPH‐LJ.5A .2 LF5064e1
- Outcome
- plant heighte1
- Direction
- reducee1
- Value
- 25.12%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“the lines carrying both QPH‐LJ.4B.1 LF5064 and QPH‐LJ.5A .2 LF5064 could significantly reduce the plant height by 25.12% and significantly increase the number of grains per spike by 17.15%”
Claim · model-written summary
Lines carrying both QPH-LJ.4B.1 LF5064 and QPH-LJ.5A.2 LF5064 significantly increased the number of grains per spike by 17.15%.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LJ.4B.1 LF5064 and QPH‐LJ.5A .2 LF5064e1
- Outcome
- number of grains per spikee1
- Direction
- increasee1
- Value
- 17.15%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“the lines carrying both QPH‐LJ.4B.1 LF5064 and QPH‐LJ.5A .2 LF5064 could significantly reduce the plant height by 25.12% and significantly increase the number of grains per spike by 17.15%”
Claim · model-written summary
The stable QTLs QPH-2D.1 and QPH-5A, controlling the plant height effect from Linfen 5064, were detected simultaneously in the two DH populations.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐2D.1 and QPH‐5Ae1
- Outcome
- simultaneously detected in the two DH populationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“the stable QTLs QPH‐2D.1 and QPH‐5A , which control the plant height effect from Linfen 5064, were simultaneously detected in the two DH populations, and the heights of the lines containing these two allelic variations were significantly reduced”
Claim · model-written summary
Lines containing the QPH-2D.1 and QPH-5A allelic variations had significantly reduced heights.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐2D.1 and QPH‐5Ae1
- Outcome
- heights of the linese1
- Direction
- significantly reducede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“the stable QTLs QPH‐2D.1 and QPH‐5A , which control the plant height effect from Linfen 5064, were simultaneously detected in the two DH populations, and the heights of the lines containing these two allelic variations were significantly reduced”
Claim · model-written summary
The QPH-LN.4B.1 locus had an average transmission rate of 100% to the first generation of derivatives.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LN.4B.1e1
- Outcome
- transmission ratee1
- Value
- 100%e1
- Qualifier
- first generation of derivativese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“the stable and highly effective QPH‐LN.4B.1 locus had an average transmission rate of 100% to the first generation of derivatives and rates of 68% and 67% to the second and third generations of derivatives, respectively”
Claim · model-written summary
The QPH-LN.4B.1 locus had a transmission rate of 68% to the second generation of derivatives.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“the stable and highly effective QPH‐LN.4B.1 locus had an average transmission rate of 100% to the first generation of derivatives and rates of 68% and 67% to the second and third generations of derivatives, respectively”
Claim · model-written summary
The QPH-LN.4B.1 locus had a transmission rate of 67% to the third generation of derivatives.
- Taxon
- WheatTriticum aestivumt0
- Gene
- QPH‐LN.4B.1e1
- Outcome
- transmission ratee1
- Value
- 67%e1
- Qualifier
- third generations of derivativese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“the stable and highly effective QPH‐LN.4B.1 locus had an average transmission rate of 100% to the first generation of derivatives and rates of 68% and 67% to the second and third generations of derivatives, respectively”
Claim · model-written summary
The authors conclude that Linfen 5064 as founder parent is superior in reducing plant height.
- Taxon
- WheatTriticum aestivumt0
- Material
- Linfen 5064e1
- Outcome
- reducing plant heighte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e1“Linfen 5064, as the founder parent, is superior in terms of reducing plant height”