Tenn. – Preliminary tests of new USDA-ARS soybean lines indicate resistance to
Frogeye leaf spot and multiple races of soybean cyst nematode. The tests are
being conducted at the University of Tennessee's AgResearch and Education Centers in
Jackson and Milan, Tennessee.
preliminary results are promising for soybean growers. Both soybean cyst
nematode and Frogeye leaf spot are significant yield robbers. In Tennessee
alone, it is estimated producers lose nearly 4 million bushels of soybeans
annually to Frogeye leaf spot and soybean cyst nematode damage. The new soybean
lines JTN-5116, JTN-5216, JTN-5316, JTN-5416, and JTN-5516 entered into multi-state testing in 2016.
and JTN-5216 are conventional, early Maturity Group V lines,” says Lisa Fritz,
biological science technician with USDA-ARS. “Initial testing indicates these lines have
resistance to Frogeye leaf spot and multiple races of soybean cyst nematode.
JTN-5416, and JTN-5516 have a common wild parent that introduces genetic
diversity to these lines. Early testing indicates broad cyst nematode resistance in all three of these
lines. Their genetic diversity may help provide more durable resistance to this
lines could expand on recent successes by the USDA-ARS soybean-breeding
program. In 2015, breeders released a conventional line, JTN-5110, with
resistance to multiple pathogens and excellent breeding potential, averaging 61
bushels/acre over three years in the Soybean Variety Performance Tests in
Tennessee. Early findings were presented at the American Society of Agronomy,
Crop Science Society of America and Soil Science Society of America
International Annual Meeting in 2014.
new soybean lines produced yields similar to JTN-5110 when tested at the West
Tennessee AgResearch Center and the AgResearch Center at Milan,” says Prakash
Arelli, supervisory research geneticist with USDA-ARS. “High-yielding
conventional soybeans have a renewed appeal among producers thanks to lower
Fritz will present more information on these soybean lines as well as soybean
lines in earlier maturity groups at the Milan No-Till Field Day on Thursday,
July 28, 2016. The field day takes place at the University of Tennessee
AgResearch and Education Center at Milan. A complete program can be found at http://milan.tennessee.edu/MNTFD/.
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Arelli, supervisory research geneticist, USDA-ARS, 731-425-4741, firstname.lastname@example.org
biological science technician, USDA-ARS, 731-425-4736, email@example.com