The following General Use Soybeans have been developed at Iowa State University and are available for licensing.
IA1006 has excellent brown stem rot resistance. It has equal or superior yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. IA1006 is an F4 plant selection from the cross IA2008 x Kenwood. IA2008 is a cultivar developed by Iowa State University, Ames, IA which was selected from the cross BSR 101 x (Northrup King S1492 x Pella). Kenwood is a cultivar developed by Iowa State University, Ames, IA which was selected from the cross ' Elgin' by Asgrow A1937. IA1006 has white flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and dull seed coats.
IA2007R has specific resistance to Rps1-k of Phytopthora rot. It is equal or superior in Yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. IA2007R was derived from 18 BC3F2 plants from the backcross IA20074 x Archer. Archer was the source of the Rps1-k allele for resistance to races 1-11, 13-15, 17, 18, 21-22, 24, and 26 of Phytophthora rot caused by Phytophthora megasperma Drechs. f. sp. glycinea Kuan & Erwin. The BC2F2-derived lines that were bulked to form IA2007R were homogeneous for the Rps1-k allele and similar in agronomic and plant characteristics to IA2007. IA2007R is of Maturity Group II. IA2007R has purple flowers, tawny pubescence, brown pods at maturity, and seeds with brown hila and dull seed coats.
IA2008R has specific resistance to Rps1-k of Phytopthora rot and resistance to brown stem rot. It is equal or superior in yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. IA2008R was derived from 29 BC3F2 plants from the backcross IA20084 x Archer. Archer was the source of the Rps1-k allele for resistance to races 1-11, 13-15, 17, 18, 21-22, 24, and 26 of Phytophthora rot caused by Phytophthora megasperma Drechs. f. sp. glycinea Kuan & Erwin. The BC2F2-derived lines that were bulked to form IA2008R were homogeneous for the Rps1-k allele and similar in agronomic and plant characteristics to IA2008. IA2008R is of Maturity Group II. IA2008R has white flowers, gray pubescence, tan pods at maturity, and seeds with buff hila and dull seed coats.
Kenwood 94 was derived from BC4F3 plants from the backcross Kenwood5 x Elgin 87. Elgin 87 was the source of the Rpsl-k allele for resistance to races 1-11, 13-15, 17, 18, 21-22, 24, and 26 of Phytophthora rot caused by Phytophthora megasperma Drechs. f. sp. glycinea Kuan & Erwin. The BC4F3-derived lines that were bulked to form Kenwood 94 were homozygous for the Rpsl-k allele, uniform for agronomic characters, and similar in plant type and maturity to Kenwood. Kenwood 94 has purple flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and dull seed coats.
Conrad 94 was obtained by transferring the Rpsl-k and Rps6 alleles for resistance to Phytophthora into the cultivar Conrad by backcrossing. Rpsl-k was obtained from Elgin 87 and Rps6 from Preston BC-11-8. Each allele was transferred independently to Conrad with four backcrosses. BC4F1 plants from the two backcrossing programs were intercrossed to obtain F1 plants with both alleles. F4 plants homozygous for both alleles were progeny tested and lines with similar agronomic characteristics were bulked to form the new cultivar. Conrad 94 has purple flowers, tawny pubescence, tan pods at maturity, and seeds with brown hila and dull yellow seed coats.
IA2021 is superior in yield to public varieties of similar maturity. IA2021 is an F4 plant selection from the cross Elgin 87 x Marcus. Elgin 87 was a composite of BC4F3 plants from the cross Elgin5 x 'Williams 82'. Marcus was selected from the cross A79-135010 x A1937. A79-135010 is a line derived from the cross B216 x Cumberland. B216 is a cultivar from the Northrup King Co., Minneapolis, MN, which was selected from the cross Corsoy x Wayne. A1937 is a cultivar from the Asgrow Seed Co., Kalamazoo, MI. IA2021 has white flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and shiny seed coats.
IA2022 is equal or superior in yield to widely-grown private and public varieties of similar maturity. IA2022 is an F4 plant selection from the cross Asgrow A3205 x Dairyland DSR 304. A3205 is a cultivar from the Asgrow Seed Co., Kalamazoo, MI which was selected from the cross Northrup King S1474 x Asgrow A3127. DSR 304 is a cultivar from the Dairyland Seed Company, Inc., West Bend, WI, which was selected from the cross Williams x Unknown parent. IA2022 has purple flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and shiny seed coats.
IA2036 has excellent SCN resistance. It has equal or superior yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. IA2036 is an F4 plant selection from the cross Jack x A86-301024. Jack is a cultivar developed by the University of Illinois, Urbana, IL, which was selected from the cross Fayette x Hardin. A86-301024 was selected from the cross A81-356022 x Hack. A81-356022 was selected from the cross Century x A76-304020. A76-304020 was selected from the cross (Beeson x AP68-1016) x (L15 x Calland.) IA2036 has purple flowers, gray pubescence, brown pods at maturity, and seeds with yellow hila and seed coats with an intermediate luster.
IA2038 is an F4 plant selection from the cross Pioneer 9303 x Kenwood. Kenwood is a cultivar developed by Iowa State University, Ames, IA, which was selected from the cross Elgin x Asgrow A1937. Pioneer 9303 is a cultivar from Pioneer Hi-Bred International, Inc., Des Moines, IA which was selected from the cross Pioneer 9281 x MO385. IA2038 has purple flowers, tawny pubescence, brown pods at maturity, and seeds with brown hila and dull seed coats.
IA2039 is an F4 plant selection from the cross Kenwood x Bell. Bell is a SCN-resistant cultivar developed by the University of Illinois, Urbana, IL, which was selected from the cross Fayette x LN80-10398. Kenwood is a cultivar developed by Iowa State University, Ames, IA which was selected from the cross Elgin x Asgrow A1937. The SCN-resistance of IA2039 was derived from PI 88.788. IA2039 has purple flowers, tawny pubescence, tan pods at maturity, and 99.5% of the seeds with black hila and dull seed coats.
IA2050 is an F4 plant selection from the cross Northrup King S24-92 x A91-501002. Northrup King S24-92 is a variety from Novartis Seeds Inc., (formerly Northrup King Co.), Minneapolis, MN that was selected from the cross Asgrow A3127 x [(IVR1120 x Calland) x (Mitchell x Cutler 71)]. A91-501002 is an experimental line developed by Iowa State University that has brown stem rot (BSR) resistance. It was selected from the cross AgriPro AP2190 x A86-301024. IA2050 has purple flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and shiny seed coats. It has moderate resistance to brown stem rot and superior yield to BSR-resistant lines of similar maturity.
IA2051 is an F4 plant selection from the cross A90-211003 x Pioneer P9273. Pioneer P9273 is a variety from Pioneer Hi-Bred International Intl, Johnston, IA which was selected from the cross Pioneer P2981 x Asgrow A3127. A90-211003 is a high yielding experimental line developed by Iowa State University. IA2051 has high yield, purple flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and shiny seed coat luster.
IA2052 is an F4 plant selection from the Northrup King S24-92 x Parker. NK S24-92 is a variety from the Northrup King Co., Minneapolis, MN which was selected from the cross Asgrow A3127 x [(IVR1120 x Calland) x (Mitchell x Culter 71)]. Parker is a high yielding variety developed by the University of Minnesota that was selected from the cross A79-136012 x Dawson. IA2052 has high yield, white flowers, gray pubescence, brown pods at maturity, and seeds with buff hila and dull seed coat luster.
IA2065 was the highest yielding public variety or experimental line in the 2003 Uniform Regional Test II that was conducted by public soybean breeders at 18 locations in the northern United States and Canada. The variety has good lodging resistance, protein content, and oil content. It has seeds with black hilum color and dull seed coat luster. IA2065 was compared with public and private varieties and brands in the 2003 Iowa Crop Performance test conducted by the Iowa Crop Improvement Association and Iowa State University. For the complete table, go to www.agron.iastate.edu/icia IA2065 was among the highest yielding entries in the test and had excellent emergence and a good chlorosis rating.
IA2068 has seeds with yellow hilum color and dull seed coat luster, which makes it desirable for production of either commodity or food-grade soybeans. IA2068 has resistance to the soybean cyst nematode (SCN). Reproduction of cysts on the variety was evaluated in three soil types by Dr. Terry Niblack of the University of Illinois. Its resistance was compared with other public and private varieties and brands in the 2003 Iowa Crop Performance test conducted by the Iowa Crop Improvement Association and Iowa State University. For the complete table, go to www.agron.iastate.edu/icia IA2068 was in the top group of entries for SCN resistance. IA2068 yields very well on SCN-infested soils. It is recommended that growers rotate resistant varieties on SCN-infested soils. For producers of food-grade soybeans with a yellow hilum color, IA2068 will serve as a good alternative to IA1008, a variety with yellow hilum color and resistance to SCN. The two varieties have had similar yields on unifested soils during three years in the Iowa Specialty Soybean Test.
IA3003 has excellent resistance to brown stem rot. It is equal or superior in yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. IA3003 is an F4 plant selection from the cross Chamberlain X Conrad. Conrad is a variety selected from the cross Asgrow A3127 X Tri-Valley Charger by Iowa State University. Chamberlain is a variety selected from the cross A76-304020 X Land O'Lakes Max. A76-304020 is from the cross (Beeson X AP68-1016) X (L15 X Calland). AP68-1016 is a line selected from the cross Clark5 X PI 84946-2 by Iowa State University. IA3003 is of Maturity Group III. IA3003 has purple flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and dull seed coats.
IA3004 has excellent resistance to brown stem rot. It is equal or superior in yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. IA3004 is an F4 plant selection from the cross Northrup King S23-03 x A86-301024. A86-301024 is from the cross A81-356022 x Hack. A81-356022 is from the cross Century x A76-304020. A78-304020 is from the cross (Beeson x AP68-1016) x (L15 x Calland). AP68-1016 is a line selected from the cross Clark5 x PI 84946-2 by Iowa State University. IA3004 is of Maturity Group III. IA3004 has purple flowers, gray pubescence, brown pods at maturity, and seeds with black hila and shiny seed coats.
IA3005 has excellent cyst nematode resistance. It has equal or superior yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. IA3005 is an F4 plant selection from the cross L82C-1212 x Kenwood. L82C-1212 is a cultivar developed by the University of Illinois, Urbana, IL, which was selected from the cross Williams 82 x Fayette. Kenwood was selected from the cross 'Elgin' by Asgrow A1937. IA3005 has white flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and dull seed coats.
IA3010 is an F4 plant selection from the cross Jacques J285 x Northrup King S29-39. J285 is a cultivar developed by Mycogen Seeds, St. Paul, MN which was selected from the cross Weber x Asgrow A3127. NK S29-39 is a cultivar developed by Novartis Seeds, Inc., Minneapolis, MN, selected from the cross Pride B152 x 9240R. IA3010 has purple flowers, tawny pubescence, tan pods at maturity, and seeds with gray hila and dull seed coats.
IA3014 is an F4 plant selection from the cross LN90-4366 x IA3005. LN90-4366 is a line from the University of Illinois that was selected from the cross LN86-4668 x Resnik. IA3005 is a variety developed by Iowa State University that has soybean cyst nematode (SCN)resistance. It was selected from the cross LS82C-1212 x Kenwood. IA3014 has white flowers, tawny pubescence, brown pods at maturity, and seeds with black hila and dull seed coats. Royalty - $0.80 per 50 lb unit planted.
IA3023 was the highest yielding public variety or experimental line in the 2003 Uniform Regional Test III that was conducted by public soybean breeders in 18 locations in the northern United States. IA3023 was compared with other public and private varieties of similar maturity in the 2003 Iowa Crop Performance test conducted by the Iowa Crop Improvement Association and Iowa State University. For the complete table, go to www.agron.iastate.edu/icia IA3023 was one of the highest yielding entries of in the test. It has good emergence and excellent lodging resistance. IA3023 has seeds with black hilum color and dull seed coat luster.
Marcus 95 has specific resistance to Rps1-k of Phytophthora rot. It is equal or superior in yield to widely-grown private and public varieties of similar maturity that are susceptible to the disease. Marcus 95 was obtained by transferring the Rps1-k and Rps6 alleles for resistance to Phytophthora into the cultivar Marcus by backcrossing. Rps1-k was obtained from Elgin 87 and Rps6 from Preston BC-11-8. Each allele was transferred independently to Marcus with four backcrosses. BC4F1 plants from the two backcrossing programs were intercrossed to obtain F1 plants with both alleles. F3 plants homozygous for both alleles were progeny tested and lines with similar agronomic characteristics were bulked to form the new cultivar. Marcus 95 has white flowers, tawny pubescence, and seeds with brown hila and dull seed coats.
A95-684043 is an F4 plant selection from the cross Jacques J285 x [Archer x (Cordell x Asgrow A2234)]. Jacques J285 is a high-yielding cultivar developed by Mycogen Seeds, St. Paul, MN, which was selected from the cross Weber X Asgrow A3127. Archer is an iron-chlorosis and BSR-resistant cultivar developed cooperatively by the Iowa Agriculture and Home Economics Experiment Station and the Puerto Rico Agricultural Experiment Station. It was developed by backcrossing the Rps1-k and Rps6 genes for resistance to phytopthora rot into BSR 101. Each gene was transferred independently to BSR 101 with four backcrosses, and the BC4F1 plants from the two backcrossing programs were intercrossed to obtain F1plants with both genes. F4 plants homozygous for both alleles and with similar agronomic characteristics were bulked to form Archer. Cordell is a cultivar resistant to SCN phenotypic races 3,4, and 5 developed from the cross of Bedford x D72-8927, cooperatively by the USDA-ARS with the Delta Branch, Mississippi Agricultural and Forestry Experiment Station and the West Tennessee branch of the Tennessee Agricultural Experiment Station. Asgrow A2234 is a high-yielding cultivar from the Asgrow Seed Co., Kalamazoo, MI , which was selected from the cross [(Calland x Amsoy) x Century] x Williams 82. A95-684043 has purple flowers, tawny pubescence, brown pods at maturity, seeds with black hila, and dull seed coat. A95-684043 matures approximately 3 days before IA3010. It is resistant to SCN phenotypic races 1,3, and 5. |
Committee for Agricultural Development
subglobal1 link | subglobal1 link | subglobal1 link | subglobal1 link | subglobal1 link | subglobal1 link | subglobal1 link
subglobal2 link | subglobal2 link | subglobal2 link | subglobal2 link | subglobal2 link | subglobal2 link | subglobal2 link
subglobal3 link | subglobal3 link | subglobal3 link | subglobal3 link | subglobal3 link | subglobal3 link | subglobal3 link
subglobal4 link | subglobal4 link | subglobal4 link | subglobal4 link | subglobal4 link | subglobal4 link | subglobal4 link
subglobal5 link | subglobal5 link | subglobal5 link | subglobal5 link | subglobal5 link | subglobal5 link | subglobal5 link
subglobal6 link | subglobal6 link | subglobal6 link | subglobal6 link | subglobal6 link | subglobal6 link | subglobal6 link