Table 13.
Soybean loci conferring resistance to frogeye leaf spot (caused by Cercospora sojina) and Cercospora leaf blight/purple seed stain
| Disease name | Causal agent | MLG (Chr.) | Locus name | Tightly linked/flanking markers | Marker position cM (bp)a | Testing methods/Resistance spectrum | Population type (size) | PVEb | Donor source | References |
|---|---|---|---|---|---|---|---|---|---|---|
| Frogeye leaf spot | Cercospora sojina | – | Rcs1 | – | – | race 1 | F2 | R gene | Lincoln | Athow and Probst (1952), Pham et al. (2015) |
| – | Rcs2 | – | – | race 2 | – | R gene | Kent | Athow et al. (1962), Pham et al. (2015) | ||
| – | – | – | – | Greenhouse test | F2 | R gene | Ransom, Lee, and Stonewall | Pace et al (1993) | ||
| MLG A1 (Chr. 5) | – | Satt276 | 5,158,623 | Greenhouse test/race 2 | F5:14 (94) | 13% | Forrest | Sharma and Lightfoot (2014) | ||
| MLG C2 (Chr. 6) | – | ss715594329–ss715594474 | 39,188,086—43,688,393 | – | – | – | – | Smith (2021) | ||
| - | Satt319—Satt079 | 38,049,354—44,503,658 | Greenhouse test/race 2 | F5:14 (94) | 52% | Essex | Sharma and Lightfoot (2014) | |||
| Rcs15-02 | – | – | – | – | – | – | Smith (2021) | |||
| MLG M (Chr. 7) | – | Satt323 | 10,465,123 | Greenhouse test/race 2 | F5:14 (94) | 4% | Essex | Sharma and Lightfoot (2014) | ||
| – | B35H07 | – | Greenhouse test/race 2 | F5:14 (94) | 5% | Essex | Sharma and Lightfoot (2014) | |||
| MLG A2 (Chr. 8) | – | Satt589 | 5,182,879 | Greenhouse test/race 2 | F5:14 (94) | 11% | Forrest | Sharma and Lightfoot (2014) | ||
| – | Satt632—A2D8 | 8,223,512 | Greenhouse test/race 2 | F5:14 (94) | 15% | Essex | Sharma and Lightfoot (2014) | |||
| MLG K (Chr. 9) | – | Satt555 | 8,020,345 | Greenhouse test/race 2 | F5:14 (94) | 10% | Forrest | Sharma and Lightfoot (2014) | ||
| – | Sat_116 | – | Greenhouse test/race 2 | F5:14 (94) | 11% | Forrest | Sharma and Lightfoot (2014) | |||
| MLG O (Chr. 10) | – | Satt259 | – | Greenhouse test/race 2 | F5:14 (94) | 4% | Essex | Sharma and Lightfoot (2014) | ||
| MLG B1 (Chr. 11) | – | ss715610717—ss715610843 | 4,338,907—5,248,257 | – | – | – | – | Smith (2021) | ||
| – | Satt444 | 29,759,281 | Greenhouse test/race 2 | F5:14 (94) | 6–12% | Forrest | Sharma and Lightfoot (2014) | |||
| MLG H (Chr. 12) | – | Satt293 | 36,036,485 | Greenhouse test/race 2 | F5:14 (94) | 6% | Essex | Sharma and Lightfoot (2014) | ||
| MLG F (Chr. 13) | Rcs(PI 594774) | Satt663–Satt114 | 25,936,631–28,912,864 | Greenhouse test | F2:3 (195) | R gene | PI 594774 | Hoskins (2011) | ||
| – | ss715614578–ss715615158 | 28,207,736–31,449,060 | – | – | – | – | Smith (2021) | |||
| Rcs(PI 594891) | Satt114–Sct_033 | 28,912,864 | Greenhouse test | F2:3 (110) | R gene | PI 594891 | Hoskins (2011) | |||
| – | CFR2 | – | Greenhouse test/race 2 | F5:14 (94) | 9% | Forrest | Sharma and Lightfoot (2014) | |||
| MLG J (Chr. 16) | – | Satt249 | 1,149,373 | Greenhouse test/race 2 | F5:14 (94) | 8% | Essex | Sharma and Lightfoot (2014) | ||
| Rcs3 | Satt244—Satt547; AZ573TA150 and AZ573CA393 | 33,818,897–34,035,180 | Greenhouse test/all known races | F2:3 (123) | R gene | Davis | Phillips and Boerma (1982), Boerma and Phillips, (1983), Mian et al. (1999), Missaoui et al. (2007a, b), Pham et al. (2015) | |||
| MLG G (Chr. 18) | – | CGG-SCAR | – | Greenhouse test/race 2 | F5:14 (94) | 6% | Forrest | Sharma and Lightfoot (2014) | ||
| MLG L (Chr. 19) | – | Satt446 | 1,678,377 | Greenhouse test/race 2 | F5:14 (94) | 4–5% | Forrest | Sharma and Lightfoot (2014) | ||
| Rcs15-01 | – | – | – | – | – | – | Lee (2021) | |||
| MLG I (Chr. 20) | – | Satt440 | 46,787,225 | Greenhouse test/race 2 | F5:14 (94) | 15% | Essex | Sharma and Lightfoot (2014) | ||
| Cercospora leaf blight/Purple seed stain | Cercospora kikuchii | MLG G (Chr. 18) | Rpss1 | Sat_308 and Satt594 | 6.6 and 11.6 cM (11,426,775–22,375,695) | Field test | F2 (148) | R gene | PI 80837 | Jackson et al. (2008) |
aMarker position (bp) based on the Glycine max genome assembly version Gmax2.0
bPhenotypic variations explained by the molecular markers