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Uniform Soybean Tests Parentage Information

The soybean parentage information in this database was partially gleaned from the Uniform Soybean Tests for the Southern and Northern regions as well as other sources such as USDA technical bulletins, variety registrations and PVP applications. The strains that appear here were part of the uniform trials and not the preliminary trials. In most cases, the pedigree of individual strains was followed back to named strains in both maternal and paternal lineages where possible. In some cases, the parentage of strains was not specified by the cooperators in the tests. In those cases the maternal and paternal parents are labeled as "Unspecified". In some cases, the actual parental information is partially or completely unknown. In those cases the unknown parentages is labeled with "Unknown". When available, synonyms for the strains were also collected. If a strain was named its PI number was also included as a synonym. In cases where the strain was found to be covered by PVP protection, the PVP registration number was also included. Because this list was based on participants in the Soybean Uniform Trials, not all named soybean strains are listed. For additional information the user should consult the Germplasm Resources Information Network (GRIN) search page.

We welcome submissions by the community of new or updated pedigree information. Please use the Excel spreadsheet to submit your pedigree data.


To find the immediate parents of a line or cultivar tested in the Uniform Soybean Tests, type the cultivar name or strain indentifier in the box below. Reset

To limit the list below to either Northern or Southern strains, choose a region.

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Looking for a specific strain or cultivar?Click here to download all parentage information.
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Record for Cultivar Mack

CultivarSynonymsMaternal Parent X Paternal ParentCommentGoogle Search (New Window)
Mack PI 559370
R68-105
[ ( NC55 (3) x S62-5-16-12 ) x RA63-19-2X Lee 68Derived from a bulk of F4 lines from the crossScour Google For This Line

Records Containing Mack

CultivarSynonymsMaternal Parent X Paternal ParentComment
A1 Anoka X Mack
A75-105019 Corsoy (2) X ( Anoka x Mack )
A75-105020 Corsoy (2) X ( Anoka x Mack )
A75-105021 Corsoy (2) X ( Anoka x Mack )
A75-105029 Corsoy (2) X ( Anoka x Mack )
A75-105033 Corsoy (2) X ( Anoka x Mack )
A75-105034 Corsoy (2) X ( Anoka x Mack )
A75-10521 Corsoy (2) X ( Anoka x Mack )Parentage uncertain
Asgrow A3322 PI 556928
A3322
Asgrow A4268 X ( Williams x Mack )PVP 8900244
Corsoy R3 Vickery
A75-Corsoy R3
Corsoy (5) X ( Anoka x Mack )
D75-7527 Forrest X Mack
La74-3850 Forrest X Mack
Land O Lakes 4102 Land O' Lakes 4102
[ Mack x Wayne x ( Clark x Adams ) ] X Cutler
MD70-8412 D69-17 X Mack
Narow R74-511A
PI 553052
R66-873 X Mack
Northrup King S15-50 S15-50
NK S15-50
PI 556765
[ Mack x Corsoy x Pride B216 (2) ] X ( Northrup King S1492 x Lee 74 )
Northrup King S39-99 S39-99
NK S39-99
PI 556764
Northrup King S1492 X Mack
Parker PI 562374
[ ( Corsoy x Wayne ) x ( Mack x ( Wayne x ( Clark x Adams ) ) ) ] X DawsonPVP 9200244
Pioneer P9561 Forrest X Mack
Pride B152 Northrup King S1346 (6) X Mack
Pride B203 Pride B216 (6) X ( Mack x Corsoy )
R74-511A Narow
PI 553052
R66-873 X Mack
R75-576 Forrest X Mack
R75-579 Forrest X Mack
R75-868 ( R66-873 x MackX ( Mack x York )
R76-45 Forrest X Mack
R77-238 ( T43 x Davis (2) ) X Mack (3)
R79-121 Mack X V72-128
S15-50 PI 556765
NK S15-50
[ Mack x ( Corsoy x Pride B216 (2) ) ] X ( Northrup King S1492 x Lee 74 )
S73-86113 Cutler X Mack
S77-7865 D69-8201 X Mack
S82-1443 Asgrow A5424 X Mack
X3836 Williams X Mack






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