NDSU Corn Populations

NDL Syn2 corn population (RFP-245)

NDL Syn2 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season non-Stiff Stalk (SS) inbred lines. NDL Syn2 is a unique earlier non-SS population version that was developed by recombining 8 inbred lines with high general and specific combining ability for agronomic traits, especially grain yield and ethanol utilization. Lines were tested in early and late generation hybrid multi-environment hybrid trials with SS testers across multiple years. NDL Syn2 was also tested per se and in hybrid combinations in multi-environment trials and has shown above average grain yield and quality results, especially in starch content.

Leaming(S-FS)C6 Syn2 corn population (RFP-244)

Leaming(S-FS)C6 Syn2 is a unique maize population created at NDSU for breeding programs developing short-season Stiff Stalk (SS) or unrelated diverse inbred lines.It is a new non-SS short-season population that was improved by 4 cycles of intra-population inbred progeny recurrent selection and 2 cycles of full-sib intra-population recurrent selection for yield, harvest moisture, and lodging resistance. Leaming(S-FS)C6 Syn2 is a source of diverse maturing inbred lines bringing new genes for oil and protein content and abiotic stress tolerance.

NDBS22(R-T1)C9 Syn2 corn population (RFP-243)

NDBS22(R-T1)C9 Syn2 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season Stiff Stalk (SS) lines. It is a unique SS short-season population that was developed by recombining elite inbred lines and improved by 7 cycles of reciprocal recurrent selection supplemented with one cycle of stratified mass selection for adaptation to short-seasons and 2 cycles of half-sib intra-population recurrent selection with SS testers. NDBS22(R-T1)C9 Syn2 was tested per se and in hybrid combinations in multi-environment trials and has shown excellent general combining ability for grain yield and grain protein including essential amino acids.

NDBS21(R-T)C9 Syn2 corn population (RFP-242)

NDBS21(R-T)C9 Syn2 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season non-Stiff Stalk (SS) or unrelated inbred lines. It is a unique non-SS short-season population that was developed by recombining >30 elite inbred lines and improved by 7 cycles of reciprocal recurrent selection supplemented with one cycle of stratified mass selection for adaptation to short-seasons and 2 cycles of half-sib intra-population recurrent selection with SS testers. NDBS21(R-T)C9 Syn2 is a source of genetically diverse inbred lines and can serve as an elite parent of population hybrids. NDBS21(R-T)C9 was also tested per se and in hybrid combinations in multi-environment trials and has shown excellent general combining ability for grain yield.

NDCG(FS)C1 Syn4 corn population (RFP-241)

NDCG(FS)C1 Syn4 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season Stiff Stalk (SS) or unrelated inbred lines. It is a new SS short-season variety that was developed by crossing CGSS and CGL populations with low high-parent heterosis and improved by one cycle of full-sib intra-population recurrent selection. Several versions have been developed with various cycles of recombination (e.g., Syn 1 to Syn 8 to break linkages). NDCG(FS)C1 Syn4 is a source of early maturing inbred lines.

NDSS Syn2 corn population (RFP-240)

NDSS Syn2 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season Stiff Stalk (SS) inbred lines. NDSS Syn2 is a unique earlier SS population version that was developed by recombining 8 inbred lines with high general and specific combining ability for agronomic traits, especially grain yield. Lines were tested in early and late generation hybrid multi-environment hybrid trials with non-SS testers across multiple years. NDSS syn2 was also tested per se and in hybrid combinations in multi-environment trials and has shown above average grain yield and quality results, especially in quality protein.

NDSUEarlyGEM26 corn population (RFP-239)

NDSUEarlyGEM26 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse non-Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 20 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from the southern U.S. to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. through the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. This variety has brought new genes for grain yield and extractable starch.

NDSUEarlyGEM22b corn population (RFP-238)

NDSUEarlyGEM22b is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse non-Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 21 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Chile to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. through backcrossing with ND2000. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. A heritability index included grain protein as priority when selecting lines for recombination.

NDSUEarlyGEM22a corn population (RFP-237)

NDSUEarlyGEM22a is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse non-Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 21 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Chile to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. through backcrossing with ND2000. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. A heritability index included earliness as priority when selecting lines for recombination.

NDSU EarlyGEM21c corn population (RFP-236)

NDSU EarlyGEM21c is a unique maize synthetic variety created at NDSU for breeding programs developing short-season Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 18 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Argentina to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. in the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. This variety has brought new genes for grain yield, high extractable starch and starch content in ethanol utilization. This population has successfully been used in population hybrids with highest yield.

NDSU EarlyGEM21b corn population (RFP-235)

NDSU EarlyGEM21b is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 9 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Argentina to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. in the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. This variety has brought new genes for high extractable starch and starch content in ethanol utilization. This population has successfully been used in population hybrids.

NDSUEarlyGEM21a corn population (RFP-234)

NDSUEarlyGEM21a is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 16 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Argentina to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. in the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. This variety has brought new genes for high extractable starch in ethanol utilization.

NDSUEarlyGEM10 corn population (RFP-233)

NDSUEarlyGEM10 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 20 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Mexico to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. in the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. This variety has brought new genes for grain quality and resistance to biotic and abiotic stresses.

NDSUEarlyGEM5 corn population (RFP-232)

NDSUEarlyGEM5 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse non-Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 26 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Brazil to the central US. Corn Belt through the GEM program and then adapted to the northern U.S. through backcrossing with ND2000 in the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. A heritability index included grain yield and starch as priorities when selecting lines for recombination. This variety has brought new genes for yield, fast dry down, and resistance to biotic and abiotic stresses.

NDSU EarlyGEM4 corn population (RFP-231)

NDSU EarlyGEM4 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse non-Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 22 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from St. Croix to the central U.S. Corn Belt through the GEM program and then adapted to the northern U.S. through backcrossing with ND2000 in the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. A heritability index included grain starch and oil as priorities when selecting lines for recombination. This variety has brought new genes for resistance to biotic and abiotic stresses.

NDSUEarlyGEM3 corn population (RFP-230)

NDSUEarlyGEM3 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season diverse Stiff Stalk (SS) inbred lines. This new variety was developed by recombining 20 elite inbred lines giving top hybrid performance with industry testers across North Dakota environments. Germplasm was brought from Cuba to the central U.S. Corn Belt through the GEM program and then adapted to the northern U.S. in the NDSUEarlyGEM program. New short-season inbred lines have been developed to increase the genetic diversity of U.S. northern hybrids. This variety has brought exceptional new genes for grain protein and oil as well as resistance to biotic and abiotic stresses.

NDSM(M-FS)C9 corn population (RFP-229)

NDSM(M-FS)C9 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season non-Stiff Stalk (SS) or unrelated diverse inbred lines. It is a new non-SS short-season population that was adapted by 7 cycles of stratified mass selection and improved by 2 cycles of intra-population full-sib recurrent selection. NDSM(M-FS)C9 is a source of diverse maturing inbred lines bringing new genes for protein content.

NDSCD(FS-CS)C2 corn population (RFP-228)

NDSCD(FS-CS)C2 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season non-Stiff Stalk (SS) or unrelated diverse inbred lines. It is a new non-SS short-season population that was improved by 2 cycles of intra-population recurrent selection for cold tolerance. NDSCD(FS-CS)C2 is a source of diverse maturing inbred lines bringing new genes for oil and protein content and abiotic stress tolerance.

NDSHLC(FS-M)C5 corn population (RFP-227)

NDSHLC(FS-M)C5 is a unique maize synthetic variety created at NDSU for breeding programs developing short-season Stiff Stalk (SS) or unrelated diverse inbred lines. It is a new SS short-season composite that was developed by recombining four Mexican white populations. The composite was improved and adapted by 5 cycles of stratified mass selection. NDSHLC(FS-M)C5 is a source of diverse maturing inbred lines bringing new genes for oil content as well as new heterotic groups with 100% tropical origin for yield.

NDEarlyS21a Corn Population (RFP-153)

NDEarlyS21a is a unique short-season improved population developed to provide unique high yielding and high quality (oil and starch) lines and hybrids for ethanol utilization.

NDEarlyS21c Corn Population (RFP-152)

NDEarlyS21c is a unique short-season improved population developed to provide fast drying and high quality (test weight) unique lines and hybrids for ethanol utilization (high fermentable starch).

NDL Corn Population (RFP-125)

NDL is a unique short-season improved population developed to provide lines and hybrids with high starch content.

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