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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 P Section of Alphabetical Strain List
Browse Full Alphabetical List of All Strains

Record for Cultivar Pioneer P93Y20

CultivarSynonymsMaternal Parent X Paternal ParentCommentGoogle Search (New Window)
Pioneer P93Y20 PI 652904
Pioneer P93B86 X Pioneer P92M91Pioneer Hi-Bred International, Inc., PVP 200800095Scour Google For This Line

Records=16 Containing Pioneer P93Y20

CultivarSynonymsMaternal Parent X Paternal ParentComment
PI 661034 Pioneer P93Y43
Pioneer P93Y70 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201100180
PI 661994 XR33AH11
Pioneer P93Y20 X SP16410155Pioneer Hi-Bred International, Inc., PVP 201100225
PI 665336 XB31AX12
EX35B06 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201200220
PI 665337 XB31N12
Pioneer P93Y02 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201200221
PI 668294 XB32AK13
Pioneer P93M61 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201300236
PI 668295 XB32M13
Pioneer P92Y80 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201300237
PI 668300 XB35AX13
Pioneer P93M61 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201300242
PI 668348 XR33S13
Pioneer P93Y20 X YR34C09Pioneer Hi-Bred International, Inc., PVP 201300290
Pioneer P93Y43 PI 661034
Pioneer P93Y70 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201100180
XB31AX12 PI 665336
EX35B06 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201200220
XB31N12 PI 665337
Pioneer P93Y02 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201200221
XB32AK13 PI 668294
Pioneer P93M61 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201300236
XB32M13 PI 668295
Pioneer P92Y80 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201300237
XB35AX13 PI 668300
Pioneer P93M61 X Pioneer P93Y20Pioneer Hi-Bred International, Inc., PVP 201300242
XR33AH11 PI 661994
Pioneer P93Y20 X SP16410155Pioneer Hi-Bred International, Inc., PVP 201100225
XR33S13 PI 668348
Pioneer P93Y20 X YR34C09Pioneer Hi-Bred International, Inc., PVP 201300290






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