S17-2243C' (Reg. no. CV-557, PI 700003) is a semi-determinate, maturity group IV (relative maturity 4.9), non-genetically modified (non-GM) soybean [Glycine max (L.
‘S16‐5503GT’ (Reg. no. CV‐555, PI 700002) is a semi‐determinate, late‐maturity group IV (relative maturity, 4.8), glyphosate‐tolerant, high‐yielding soybean [Glycine max (L.) Merr.] cultivar developed and released in 2021 by the University of Missouri‐Fisher Delta Research, Extension, and Education Center (MU‐FDREEC) soybean breeding program. Southern U.S. growers’ preference for high‐yielding, early‐maturing cultivars with glyphosate tolerance and broad disease resistance motivated the development of S16‐5503GT soybean. It was evaluated in a total of 92 environments across 12 U.S. mid‐southern states from 2017 to 2021 for yield and agronomic traits. Across all testing environments, S16‐5503GT yielded 4,258 kg ha−1, which was equivalent to 108% of the non‐Xtend check mean and 102% of the Xtend check mean, ranking in the top 19% overall. In the 2021 Southern State Variety Trials, S16‐5503GT yielded 4,455 kg ha−1 and ranked in the top 43% overall. S16‐5503GT is resistant to soybean cyst nematode races 3 (HG type 5.7) and 5 (HG type 2.5.7) and moderately resistant to race 2 (HG type 1.2.5.7). It is also resistant to southern root‐knot nematode, reniform nematode, frogeye leaf spot, charcoal rot, and brown stem rot and is tolerant to extreme salinity conditions. The broad disease resistance package combined with high‐yielding performance and wide adaptability across multiple mid‐southern states make S16‐5503GT an excellent cultivar choice for soybean growers in the southern United States, where late‐maturity group IV varieties are in demand.
The soybean [Glycine max (L.) Merr] cultivar ‘S11‐17025C’ (Reg. no. CV‐558, PI 701486) was developed and released by the University of Missouri‐Fisher Delta Research, Extension, and Education Center (MU‐FDREEC). S11‐17025C is a conventional, early maturity group V (relative maturity, 5.2) with high yield potential with a determinate growth habit. It is a chloride excluder for tolerance to high‐chloride field conditions. It has broad disease resistance, including soybean cyst nematode races 1 (HG type 2.5.7), 2 (HG type 1.2.5.7), 3 (HG type 5.7), and 5 (HG type 2.5.7); southern root‐knot nematode; reniform nematode; and sudden death syndrome. S11‐17025C was tested in 133 environments across 10 states, including Alabama, Arkansas, Illinois, Kansas, Louisiana, Missouri, Mississippi, North Carolina, Tennessee, and Virginia, in 2012–2016. It was evaluated in yield tests at the MU‐FDREEC (2012–2016), USDA Uniform Soybean tests (2013–2016), and soybean state variety tests (2015 and 2016). S11‐17025C yielded 104% of the commercial check mean across multiple environments. 17025C has broad adaptation across the Mid‐south where growers may benefit from premium prices offered for conventional soybeans. S11‐17025C can also serve as germplasm for use in crosses in breeding programs.
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