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Soybean 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 of the sources used, not all named soybean strains are listed. For additional information the user should consult the Germplasm Resources Information Network (GRIN) search page.

Strain names are prefixed with a code that identifies the program that produced them. The code is usually the first two letters in the strain name followed by the year it was released as a two digit number. A description of the code prefixes can be found here. Strains originating from Pioneer Hybrid generally begin with the letter "P" followed by 4 digits ie P2345. Some Pioneer strains have names of the form P followed by two digits followed by one letter followed by two digits ie P49M23.

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


To find the immediate parents of a line or cultivar, 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.
Browse the L Section of Alphabetical Strain List
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Record for Cultivar Lee 74

CultivarSynonymsMaternal Parent X Paternal ParentCommentGoogle Search (New Window)
Lee 74 R69-1400
PI 548658
Lee 68 X R66-1517Scour Google For This Line

Records Containing Lee 74

CultivarSynonymsMaternal Parent X Paternal ParentComment
Northrup King S15-50 S15-50
NK S15-50
PI 556765
Syngenta S15-50
[ Mack x Corsoy x Pride B216 (2) ] X ( Northrup King S1492 x Lee 74 )
OK92-6520 Miles X Lee 74
OK92-6524 Miles X Lee 74
PI 556764 Syngenta S39-99
[ ( Syngenta S14-92 x Mack ) x ( Syngenta S14-92 x Lee 74 ) ] X ( Syngenta S13-46 x Mack )Novartis Seeds, Inc., PVP 8500118
R77-236 Forrest X Lee 74
S15-50 PI 556765
NK S15-50
[ Mack x ( Corsoy x Pride B216 (2) ) ] X ( Northrup King S1492 x Lee 74 )
Syngenta S39-99 PI 556764
[ ( Syngenta S14-92 x Mack ) x ( Syngenta S14-92 x Lee 74 ) ] X ( Syngenta S13-46 x Mack )Novartis Seeds, Inc., PVP 8500118
TN81-2 Lee 74 X Mitchell
TN83-167 Lee 74 X TN76-32






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