Abstract
The flooding tolerance of U.S. soybean [ Glycine max (L.) Merr.] cultivars under field conditions has not been reported. In this study, 84 soybean cultivars of maturity groups II, III, and IV were grown at two locations, London and Lakeview, in Ohio. The cultivars differed in their resistance and tolerance to Phytophthora sojae M.J. Kaufmann & J. W. Gerdemann as determined in separate field and laboratory studies. While the production practices and historic yield potential at the two locations were similar, the nearly flat, slowly permeable Milford silty clay soil at Lakeview was saturated during most of July 1992 because of excessive rainfall (17 cm more than normal). The average yield of the 84 soybean cultivars at the flooded location (Lakeview) was 25% lower than at the non‐flooded location (London). Flooding tolerance can be defined as high yield under flooding stress. When the 84 soybean cultivars were ranked in their flooding tolerance according to this definition, many cultivars were found to exhibit both flood tolerance at Lakeview and high yield at London. Flooding tolerance was independent from Phytophthora tolerance, Phytophthora resistance, and plant relative maturity. This study documented that differences in flooding tolerance exist among U.S. soybean cultivars.
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Claims 4
Claim · model-written summary
Average yield of soybean cultivars was 25% lower at the flooded Lakeview location than at London.
- Taxon
- soybean
Glycine maxe1 - Treatment
- flooded locatione1
- Outcome
- average yielde1
- Direction
- lowere1
- Value
- 25%e1
- Comparator
- Londone1
- Setting
- Lakeviewe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The average yield of the 84 soybean cultivars at the flooded location (Lakeview) was 25% lower than at the non‐flooded location (London)”
Claim · model-written summary
Flooding tolerance in soybean was independent of Phytophthora tolerance, Phytophthora resistance and relative maturity.
- Taxon
- SoybeansGlycine maxt0
- Interactor
- Phytophthora
Phytophthorae2pathogen - Outcome
- Flooding tolerancee2
- Direction
- no_changeinferrede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Genetic Variability for Flooding Tolerance in Soybeans”
e2“Flooding tolerance was independent from Phytophthora tolerance, Phytophthora resistance, and plant relative maturity”
Claim · model-written summary
Many soybean cultivars combined flood tolerance at Lakeview with high yield at London.
- Taxon
- SoybeansGlycine maxt0
- Outcome
- flood tolerancee3
- Setting
- Lakeviewe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Genetic Variability for Flooding Tolerance in Soybeans”
e3“many cultivars were found to exhibit both flood tolerance at Lakeview and high yield at London”
Claim · model-written summary
Soybean cultivars differ in flooding tolerance.
- Taxon
- soybeanGlycine maxe4
- Outcome
- differences in flooding tolerancee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Genetic Variability for Flooding Tolerance in Soybeans”
e4“This study documented that differences in flooding tolerance exist among U.S. soybean cultivars”
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