Table 1. Characteristics of the soybean genotypes used in the study.
| Genotype | Pedigree | Maturity group | Characteristics/Comments | Source of information | Geographical Origin |
|---|---|---|---|---|---|
| R01-581F | Jackson x KS 4895 | V | Sustained nitrogen fixation under drought | [26] | AR, United States |
| Boggs | G81-152 x Coker 6738 | VI | Intermediate in wilting | [39] | GA, United States |
| N06-7023 | N98-7265 x N98-7288 | VI | Slow wilting | [40] | NC, United States |
| N09-12854 | N7103 x PI408337-BB | VII | Exotic pedigree | [41] | NC, United States |
| N09-13890 | TCPR-83 x 11136 | VII | Slow wilting (Pedigree traces back to a slow wilting line, PI 471938) | [32] Prior research of authors (unpublished data) |
NC, United States |
| NC-Raleigh | N85-492 x N88-480 | VII | Conventional cultivar -Check | [36] | NC, United States |
| NTCPR94-5157 | Davis x N73-1102 | VII | Slow wilting | [39] | NC, United States |
| SC-14-1127 | NC Raleigh x PI 378696B (Glycine soja) | VII | Exotic pedigree | [42] | SC, United States |
| Crockett | PI 171451 x Hampton 266 | VIII | Forage | [42, 43] | TX, United States |
| SC07-1518RR | SC01-809RR x G99-3211 | VIII | Elite South Carolina breeding line—Check | N/A | SC, United States |