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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 689053USDA-MxS-CS1-1Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967625PI 689053
1PI 689054USDA-MxS-CS1-2Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967626PI 689054
2PI 689055USDA-MxS-CS1-3Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967627PI 689055
3PI 689056USDA-MxS-CS1-4Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967628PI 689056
4PI 689057USDA-MxS-CS1-5Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967629PI 689057
5PI 689058USDA-MxS-CS1-6Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967630PI 689058
6PI 689059USDA-MxS-CS1-7Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967631PI 689059
7PI 689060USDA-MxS-CS1-8Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967632PI 689060
8PI 689061USDA-MxS-CS1-9Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967633PI 689061
9PI 689062USDA-MxS-CS1-10Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967634PI 689062
10PI 689063USDA-MxS-CS1-11Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967635PI 689063
11PI 689064USDA-MxS-CS1-12Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967636PI 689064
12PI 689065USDA-MxS-CS1-13Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967637PI 689065
13PI 689066USDA-MxS-CS1-14Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967638PI 689066
14PI 689067USDA-MxS-CS1-15Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967639PI 689067
15PI 689068USDA-MxS-CS1-16Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967640PI 689068
16PI 689069USDA-MxS-CS1-17Glycine max (L.) Merr. North Carolina, United StatesSOY2018DEVELOPEDBreeding materialUSDA-Max x Soja Core Set-1 is a group of 17 interspecific breeding lines developed from the hybridization of lodging-resistant soybean cultivar ‘N7103’ [Glycine max (L.) Merr.] with wild soybean plant introduction (PI) 366122 [Glycine soja Siebold & Zucc.]. These materials were released unconditionally by the USDA-ARS and the North Carolina Agricultural Research Service (March, 2017) to expand the North American soybean breeding germplasm pool. All breeding lines are F9-derived full sibs of group VI or VII maturity. The breeding lines were developed through bulk breeding and pedigree selection. The breeding lines are 50% wild soybean by pedigree, but SNP marker analysis (BARCSoySNP6K) of 2,455 well distributed polymorphic loci revealed that the genetic percentage of G. soja in the each breeding line ranged from 21% to 40%. When evaluated as a group, 5, 10, and 17 breeding lines recovered 83%, 98%, and 99% of polymorphic SNP marker alleles from PI 366122. Physical maps of polymorphic SNP distribution revealed extensive recombination of the max and soja genomes, including recombination throughout heterochromatic regions. The 17 breeding lines have good adaptation to the southeastern USA with seed yield ranging from 75% to 97% of the domesticated parent. All lines had larger 100-seed weight than the G. max parent, indicating inheritance of positive alleles for this trait from the wild species. One or more breeding lines also displayed significantly (p < 0.05) increased seed protein, oil, or sulfur-containing amino acid content as compared to the domesticated parent. The novel genetic diversity, positive agronomic performance and improved seed composition of these lines suggest that these materials are unique and valuable genetic resources for U.S. soybean breeding.1967641PI 689069