Use of recombinant inbred lines of wheat for study of associations of high-molecular-weight glutenin subunit alleles to quantitative traits

1992 ◽  
Vol 83 (4) ◽  
pp. 403-412 ◽  
Author(s):  
M. Rousset ◽  
J. M. Carrillo ◽  
C. O. Qualset ◽  
D. D. Kasarda
Keyword(s):  
Molecular Weight ◽  
High Molecular Weight ◽  
Recombinant Inbred ◽  
Quantitative Traits ◽  
Recombinant Inbred Lines ◽  
Inbred Lines ◽  
Glutenin Subunit

scholarly journals Dominance is the major genetic basis of heterosis in rice as revealed by QTL analysis using molecular markers.

Genetics ◽  
1995 ◽  
Vol 140 (2) ◽  
pp. 745-754 ◽  
Author(s):  
J Xiao ◽  
J Li ◽  
L Yuan ◽  
S D Tanksley
Keyword(s):  
Molecular Markers ◽  
Qtl Analysis ◽  
Recombinant Inbred ◽  
Quantitative Traits ◽  
Genetic Basis ◽  
Recombinant Inbred Lines ◽  
Inbred Lines ◽  
Rflp Markers ◽  
Major Contributor ◽  
Significant Qtls

Abstract A set of 194 F7 lines derived from a subspecific rice cross showing strong F1 heterosis was backcrossed to the two parents. The materials (388 BC1F7 lines, 194 F8 lines, two parents, F1) were phenotyped for 12 quantitative traits. A total of 37 significant QTLs (LOD > or = 2.0) was detected through 141 RFLP markers in the BC1F7 populations. Twenty-seven (73%) quantitative trait loci (QTLs) were detected in only one of the BC1F7 populations. In 82% of these cases, the heterozygotes were superior to the respective homozygotes. The remaining 10 (27%) QTLs were detected in both BC1F7 populations, and the heterozygote had a phenotype falling between those of the two homozygotes and in no instances were the heterozygotes found to be superior to both homozygotes. These results suggest that dominance complementation is the major genetic basis of heterosis in rice. This conclusion was strengthened by the finding that there was no correlation between most traits and overall genome heterozygosity and that there were some recombinant inbred lines in the F8 population having phenotypic values superior to the F1 for all of the traits evaluated--a result not expected if overdominance was a major contributor to heterosis. Digenic epistasis was not evident.

Diverse sources of resistance to Spodoptera litura (F.) in groundnut

2019 ◽  
Vol 79 (01S) ◽  
Author(s):  
M. A. Saleem ◽  
G. K. Naidu ◽  
H. L. Nadaf ◽  
P. S. Tippannavar
Keyword(s):  
Recombinant Inbred ◽  
Spodoptera Litura ◽  
Hot Spot ◽  
Recombinant Inbred Lines ◽  
Insect Pest ◽  
Inbred Lines ◽  
Leaf Damage ◽  
Botanical Variety ◽  
Resistant Genotypes ◽  
Botanical Varieties

Spodoptera litura an important insect pest of groundnut causes yield loss up to 71% in India. Though many effective chemicals are available to control Spodoptera, host plant resistance is the most desirable, economic and eco-friendly strategy. In the present study, groundnut mini core (184), recombinant inbred lines (318) and elite genotypes (44) were studied for their reaction to Spodoptera litura under hot spot location at Dharwad. Heritable component of variation existed for resistance to Spodoptera in groundnut mini core, recombinant inbred lines and elite genotypes indicating scope for selection of Spodoptera resistant genotypes. Only 29 (15%) genotypes belonging to hypogaea, fastigiata and hirsuta botanical varieties under mini core set, 15 transgressive segregants belonging to fastigiata botanical variety among 318 recombinant inbred lines and three genotypes belonging to hypogaea and fastigiata botanical varieties under elite genotypes showed resistance to Spodoptera litura with less than 10% leaf damage. Negative correlation existed between resistance to Spodoptera and days to 50 per cent flowering indicating late maturing nature of resistant genotypes. Eight resistant genotypes (ICG 862, ICG 928, ICG 76, ICG 2777, ICG 5016, ICG 12276, ICG 4412 and ICG 9905) under hypogaea botanical variety also had significantly higher pod yield. These diverse genotypes could serve as potential donors for incorporation of Spodoptera resistance in groundnut.

Genetic Diversity of High-Molecular-Weight Glutenin Subunit Composition in Chinese Wheat Landraces

2013 ◽  
Vol 38 (7) ◽  
pp. 1205-1211
Author(s):  
Xin XU ◽  
Xiao-Jun LI ◽  
Ling-Li ZHANG ◽  
Xiu-Quan LI ◽  
Xin-Ming YANG ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Molecular Weight ◽  
High Molecular Weight ◽  
Glutenin Subunit ◽  
Subunit Composition ◽  
Wheat Landraces ◽  
Chinese Wheat

scholarly journals QTL analysis of seed dormancy in Arabidopsis using recombinant inbred lines and MQM mapping

Heredity ◽  
1997 ◽  
Vol 79 (2) ◽  
pp. 190-200 ◽  
Author(s):  
Wybe van der Schaar ◽  
Carlos Alonso-Blanco ◽  
Karen M Léon-Kloosterziel ◽  
Ritsert C Jansen ◽  
Johan W van Ooijen ◽  
...  
Keyword(s):  
Seed Dormancy ◽  
Qtl Analysis ◽  
Recombinant Inbred ◽  
Recombinant Inbred Lines ◽  
Inbred Lines

Effects of SGP-B1 protein on the qualities of grain and starch in a recombinant inbred lines population

2021 ◽  
Author(s):  
Yelun Zhang ◽  
Yaning Meng ◽  
Liangjie Lv ◽  
Yingjun Zhang ◽  
Kai Zhang ◽  
...  
Keyword(s):  
Recombinant Inbred ◽  
Recombinant Inbred Lines ◽  
Inbred Lines
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