Soy Parentage and Pedigrees

The soybean parentage information below 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. The pedigree of individual strains was followed back to named strains in both maternal and paternal lineages where possible. An unknown parent is indicated with "-". When available, PVP registration numbers are noted, as are synonyms for the strains - including the PI number for lines deposited at GRIN. Check for additional information about PI lines at the 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. See code prefixes and descriptions here.

Pedigrees are represented in column 4. To give an example: CS31 has parents S10 (maternal) and Mitchell (paternal). The pedigree string ( S10 , Mitchell ( Amsoy , Wayne ) ) can be read as: CS31 is progeny of S10 and Mitchell; and Mitchell is progeny of Amsoy and Wayne.

The information below is also available for download - for example, if you wish to filter on pedigrees that contain an accession of interest.
We welcome submissions by the community of new or updated pedigree information. Please use this data submission spreadsheet.

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Individual Female Parent Male Parent Pedigree Synonyms Notes
X006 Syngenta_S19-90 MP91133 ( Syngenta_S19-90 , MP91133 ) - -
X022 Pioneer_P91608 Pioneer_P9273 ( Pioneer_P91608 , Pioneer_P9273 ( Pioneer_P2981 , Asgrow_A3127 ( Williams , Essex ) ) ) - -
X029 Pioneer_P9362 Syngenta_S29-11 ( Pioneer_P9362 , Syngenta_S29-11 ) - -
X312R X006 Syngenta_S24-K4 ( X006 ( Syngenta_S19-90 , MP91133 ) , Syngenta_S24-K4 ) - -
X3836 Williams Mack ( Williams , Mack ) - -
X4521 Williams Columbus ( Williams , Columbus ) - -
X5421 Essex K1017 ( Essex , K1017 ( L66L-140 ( Wayne , L57-0034 ( Clark , Adams ) ) , Columbus ) ) - -
X5512 D74-7741 N73-693 ( D74-7741 ( Forrest , D70-3001 ( D64-4636 ( Hill , D58-3311 ) , Pickett_71 ) ) , N73-693 ( D68-216 ( Dyer , Bragg ) , Ransom ) ) - -
X5803 J74-35 D74-7741 ( J74-35 , D74-7741 ( Forrest , D70-3001 ( D64-4636 ( Hill , D58-3311 ) , Pickett_71 ) ) ) - -
X9054 Coker_156 Nathan ( Coker_156 ( Dare , D64-3937 ( Hill , D59-1619 ) ) , Nathan ) - -
XB00448R003 Pioneer_P9071 MO30179 ( Pioneer_P9071 , MO30179 ) - -
XB01C03 Pioneer_P90B43 OT94-13 ( Pioneer_P90B43 , OT94-13 ) - -
XB02E02 Pioneer_P90B43 R00302 ( Pioneer_P90B43 , R00302 ( XB22D ( Pioneer_P9273 ( Pioneer_P2981 , Asgrow_A3127 ( Williams , Essex ) ( Williams , Essex ) ( Williams , Essex ) ) , 30388 ( Pioneer_P9303 , 30310 ( Pioneer_P9303 , 30294 ( Pioneer_P9303 , 30199 ( Pioneer_P9303 , 30124 ( Pioneer_P9303 , 30094 ( 5961 ( Asgrow_A3733 ( Elf , Asgrow_A3127 ( Williams , Essex ) ) ( Elf , Asgrow_A3127 ( Williams , Essex ) ( Williams , Essex ) ) , Resnik ) , Asgrow_A3733 ( Elf , Asgrow_A3127 ( Williams , Essex ) ) ( Elf , Asgrow_A3127 ( Williams , Essex ) ( Williams , Essex ) ) ) ) ) ) ) ) ) , 13007 ( Asgrow_A3304 , 90733 ( Pioneer_P9172 , 90676 ( ST2250 , G40-3P9392 ) ) ) ) ) - -
XB02F04 Titan D01306 ( Titan ( E86067 ( A80-145015 , A79-135010 ( Pride_B216 ( Corsoy , Wayne ) , Cumberland ) ) , Kenwood ) , D01306 ( Pioneer_P9063 , Pioneer_P92B05 ) ) - -
XB06B02 Pioneer_P90B43 12465 ( Pioneer_P90B43 , 12465 ( Pioneer_P9132 , 90733 ( Pioneer_P9172 , 90676 ( ST2250 , G40-3P9392 ) ) ) ) - -
XB06K06 12102R024 Pioneer_P91B33 ( 12102R024 ( YB23E ( Archer , Pioneer_P9273 ( Pioneer_P2981 , Asgrow_A3127 ( Williams , Essex ) ) ) , ST1570 ) , Pioneer_P91B33 ) - -
XB06M07 Pioneer_P90B43 D00782 ( Pioneer_P90B43 , D00782 ( RCAT_9404 , 90732-150 ( Pioneer_P9281 , 90675 ( Pioneer_P9281 , G40-3P9273 ) ) ) ) - -
XB08P05 YB14D K10005 ( YB14D ( W30047R012 ( Pioneer_P9161 , Pioneer_P9111 ) , YB23E ( Archer , Pioneer_P9273 ( Pioneer_P2981 , Asgrow_A3127 ( Williams , Essex ) ) ) ) , K10005 ( ST1970 , Pioneer_P92B05 ) ) - -
XB12K05 Syngenta_S03-W4 D89003 ( Syngenta_S03-W4 , D89003 ( ST0470 , Pioneer_P90B73 ) ) - -
XB16H Syngenta_S19-90 MO30732-51 ( Syngenta_S19-90 , MO30732-51 ) - -
XB17S05 ST1970 K10005 ( ST1970 , K10005 ( ST1970 , Pioneer_P92B05 ) ) - -
XB19M01 Pioneer_P9132 21721 ( Pioneer_P9132 , 21721 ( Asgrow_A1900 , 21119 ( Pioneer_P9304 , 21070 ( Pioneer_P9412 , 90688C ( Asgrow_A4715 , G40-3P9392 ) ) ) ) ) - -
XB19V06 YB18J00 Pioneer_P92B38 ( YB18J00 ( Pioneer_P9362 , MO21584 ) , Pioneer_P92B38 ) - -
XB20L00 W30271R014 Pioneer_P9234 ( W30271R014 ( Pioneer_P9241 ( 0624-32 , Pioneer_P2981 ) , Resnik ) , Pioneer_P9234 ) - -
XB21R05 YB22T00 Pioneer_P92B38 ( YB22T00 ( Pioneer_P9362 , MO21584 ) , Pioneer_P92B38 ) - -
XB22C04 Pioneer_P92B35 Pioneer_P92B05 ( Pioneer_P92B35 , Pioneer_P92B05 ) - -
XB22D Pioneer_P9273 30388 ( Pioneer_P9273 ( Pioneer_P2981 , Asgrow_A3127 ( Williams , Essex ) ( Williams , Essex ) ( Williams , Essex ) ) , 30388 ( Pioneer_P9303 , 30310 ( Pioneer_P9303 , 30294 ( Pioneer_P9303 , 30199 ( Pioneer_P9303 , 30124 ( Pioneer_P9303 , 30094 ( 5961 ( Asgrow_A3733 ( Elf , Asgrow_A3127 ( Williams , Essex ) ) ( Elf , Asgrow_A3127 ( Williams , Essex ) ( Williams , Essex ) ) , Resnik ) , Asgrow_A3733 ( Elf , Asgrow_A3127 ( Williams , Essex ) ) ( Elf , Asgrow_A3127 ( Williams , Essex ) ( Williams , Essex ) ) ) ) ) ) ) ) ) - -
XB22G06 Pioneer_P93B82 Pioneer_P91B53 ( Pioneer_P93B82 , Pioneer_P91B53 ) - -
XB23W03 Pioneer_P92B63 C04065 ( Pioneer_P92B63 , C04065 ( Pioneer_P92B63 , XB36L ( Pioneer_P9362 , 90683 ( Pioneer_P9362 , G40-3P9392 ) ) ) ) - -
XB23Y02 Pioneer_P92B52 Pioneer_P93B82 ( Pioneer_P92B52 , Pioneer_P93B82 ) - -
XB25E02 Pioneer_P9301 Pioneer_P93B82 ( Pioneer_P9301 , Pioneer_P93B82 ) - -
XB25P05 Pioneer_P92B86 CX235c ( Pioneer_P92B86 , CX235c ) - -
XB25P99 Pioneer_P93B82 91013F2 ( Pioneer_P93B82 , 91013F2 ( W30132-004 , 90753 ( ST2250 , 90682 ( Pioneer_P9342 , G40-3P9341 ) ) ) ) - -
XB25S05 YB18J00 Pioneer_P92B84 ( YB18J00 ( Pioneer_P9362 , MO21584 ) , Pioneer_P92B84 ) - -
XB27B05 Pioneer_P93B86 Pioneer_P93B09 ( Pioneer_P93B86 , Pioneer_P93B09 ) - -
XB27P04 YB23M Pioneer_P92B74 ( YB23M ( Pioneer_P9362 , MO21584 ) , Pioneer_P92B74 ) - -
XB29D01 ST2660 Pioneer_P93B82 ( ST2660 , Pioneer_P93B82 ) - -
XB29K04 45217N901 XB25P99 ( 45217N901 ( S2911 , 21066 ( MO12557 , 90688A ( Asgrow_A4715 , G40-3P9392 ) ) ) , XB25P99 ( Pioneer_P93B82 , 91013F2 ( W30132-004 , 90753 ( ST2250 , 90682 ( Pioneer_P9342 , G40-3P9341 ) ) ) ) ) - -
XB29V99 Pioneer_P93B82 91013F2 ( Pioneer_P93B82 , 91013F2 ( W30132-004 , 90753 ( ST2250 , 90682 ( Pioneer_P9342 , G40-3P9341 ) ) ) ) - -
XB29X00 Pioneer_P9305 21069 ( Pioneer_P9305 , 21069 ( MO92117-18 , 90682E ( Pioneer_P9342 , G40-3P9341 ) ) ) - -
XB30E07 Pioneer_P93B86 XB23W03 ( Pioneer_P93B86 , XB23W03 ( Pioneer_P92B63 , C04065 ( Pioneer_P92B63 , XB36L ( Pioneer_P9362 , 90683 ( Pioneer_P9362 , G40-3P9392 ) ) ) ) ) - -
XB30N08 Pioneer_P93B86 Pioneer_P93M11 ( Pioneer_P93B86 , Pioneer_P93M11 ) - -
XB31Q ST2660 21710 ( ST2660 , 21710 ( Asgrow_A3237 , 21097 ( Asgrow_A3237 , 21063 ( Asgrow_A3237 , 90683C ( Pioneer_P9362 , G40-3P9392 ) ) ) ) ) - -
XB31R04 Pioneer_P93B86 45487L002 ( Pioneer_P93B86 , 45487L002 ( Pioneer_P92B52 , 45270 ( ST2250 , 21721 ( Asgrow_A1900 , 21119 ( Pioneer_P9304 , 21070 ( Pioneer_P9412 , 90688C ( Asgrow_A4715 , G40-3P9392 ) ) ) ) ) ) ) - -
XB31Z01 Pioneer_P9306 MO0708-31 ( Pioneer_P9306 , MO0708-31 ) - -
XB32C05 Pioneer_P93B86 Pioneer_P93B09 ( Pioneer_P93B86 , Pioneer_P93B09 ) - -
XB32L06 Pioneer_P93B15 L04178 ( Pioneer_P93B15 , L04178 ) - -
XB33B CM304BR Asgrow_A3127 ( CM304BR , Asgrow_A3127 ( Williams , Essex ) ) - -
XB33N06 Pioneer_P93B86 YB34Y99 ( Pioneer_P93B86 , YB34Y99 ( Pioneer_P93B82 , 45282 ( 3660 , 21726 ( Asgrow_A2396 ( CM214 , Asgrow_A2943 ( Asgrow_A1564 , Asgrow_A3127 ( Williams , Essex ) ) ) ( CM214 , Asgrow_A2943 ( Asgrow_A1564 , Asgrow_A3127 ( Williams , Essex ) ) ( Asgrow_A1564 , Asgrow_A3127 ( Williams , Essex ) ( Williams , Essex ) ) ) , 21132 ( Asgrow_A2396 ( CM214 , Asgrow_A2943 ( Asgrow_A1564 , Asgrow_A3127 ( Williams , Essex ) ) ) , 21082 ( Pioneer_P9381 , 90685A ( Pioneer_P9381 , G40-3P9392 ) ) ) ) ) ) ) - -
XB35D Pioneer_P9352 32745 ( Pioneer_P9352 , 32745 ( Pioneer_P9352 , 32127 ( Pioneer_P9352 , 31910 ( 31438 ( Pioneer_P9254 , Pioneer_P9281 ) , Pioneer_P9254 ) ) ) ) - -
XB35Q04 ST2870 XB43J ( ST2870 , XB43J ( Pioneer_P9362 , 90755 ( Pioneer_P9362 , 90683 ( Pioneer_P9362 , G40-3P9392 ) ) ) ) - -
XB36L Pioneer_P9362 90683 ( Pioneer_P9362 , 90683 ( Pioneer_P9362 , G40-3P9392 ) ) - -
XB37C02 Pioneer_P93B82 P00048 ( Pioneer_P93B82 , P00048 ( Asgrow_A3431 , Pioneer_P94B01 ) ) - -
XB37L03 Pioneer_P93B86 S85085 ( Pioneer_P93B86 , S85085 ( Pioneer_P93B86 , S85074 ( Pioneer_P93B86 , Pioneer_P93B67 ) ) ) - -
XB38E06 Pioneer_P93B86 Pioneer_P94B73 ( Pioneer_P93B86 , Pioneer_P94B73 ) - -
XB38Y01 Pioneer_P93B82 91183 ( Pioneer_P93B82 , 91183 ( Pioneer_P9343 , 21720 ( Pioneer_P9343 , 21111 ( Pioneer_P9362 , 21080 ( Pioneer_P9362 , 90682C ( Pioneer_P9342 , G40-3P9341 ) ) ) ) ) ) - -
XB39U99 Asgrow_A4138 40305-117 ( Asgrow_A4138 , 40305-117 ( Pioneer_P9312 , Pioneer_P9392 ( Asgrow_A3127 ( Williams , Essex ) , Gnome ) ) ) - -
XB39W06 EX39E00 Pioneer_P94B23 ( EX39E00 ( MO14426 , Pioneer_P93B82 ) , Pioneer_P94B23 ) - -
XB40H09 Pioneer_P93M91 Pioneer_P94B54 ( Pioneer_P93M91 , Pioneer_P94B54 ) - -
XB41B05 Pioneer_P93B82 90765T003 ( Pioneer_P93B82 , 90765T003 ( Asgrow_A4715 , 90686 ( Pioneer_P9392 ( Asgrow_A3127 ( Williams , Essex ) , Gnome ) , G40-3P9392 ) ) ) - -
XB41M01 MO06347-68 CX469c ( MO06347-68 , CX469c ) - -
XB42J00 Asgrow_A3431 Pioneer_P9472 ( Asgrow_A3431 , Pioneer_P9472 ) - -
XB43B Pioneer_P9391 Asgrow_A3733 ( Pioneer_P9391 , Asgrow_A3733 ( Elf , Asgrow_A3127 ( Williams , Essex ) ) ) - -
XB43J Pioneer_P9362 90755 ( Pioneer_P9362 , 90755 ( Pioneer_P9362 , 90683 ( Pioneer_P9362 , G40-3P9392 ) ) ) - -
XB43W04 Pioneer_P93B82 90765T003 ( Pioneer_P93B82 , 90765T003 ( Asgrow_A4715 , 90686 ( Pioneer_P9392 ( Asgrow_A3127 ( Williams , Essex ) , Gnome ) , G40-3P9392 ) ) ) - -
XB44W04 Pioneer_P93B82 41914S135 ( Pioneer_P93B82 , 41914S135 ( Asgrow_A4138 , 21111 ( Pioneer_P9362 , 21080 ( Pioneer_P9362 , 90682C ( Pioneer_P9342 , G40-3P9341 ) ) ) ) ) - -
XB46L99 CX469c Pioneer_P9451 ( CX469c , Pioneer_P9451 ) - -
XB48B Y4667-09 Asgrow_A4715 ( Y4667-09 ( Pioneer_P4280 ( Williams , Woodworth ) , Fayette ) , Asgrow_A4715 ) - -
XB48W07 Pioneer_P94B53 H02353 ( Pioneer_P94B53 , H02353 ( YB46K ( Pioneer_P9362 , Pioneer_P9444 ) , T00593H117 ) ) - -
XB49K04 CM428 H00180 ( CM428 , H00180 ( Pioneer_P9481 , Pioneer_P94B81 ) ) - -
XB52G Hutcheson Asgrow_A5403 ( Hutcheson , Asgrow_A5403 ) - -
XB53E02 XB52G YB54D ( XB52G ( Hutcheson , Asgrow_A5403 ) , YB54D ( Asgrow_A5979 , 90773 ( Pioneer_P9584 , 90688 ( Asgrow_A4715 , G40-3P9392 ) ) ) ) - -
XB57M04 Pioneer_P9631 Pioneer_P95B95 ( Pioneer_P9631 , Pioneer_P95B95 ) - -
XB59E Hutcheson Pioneer_P9591 ( Hutcheson , Pioneer_P9591 ) - -
XB59U04 Pioneer_P95B33 Pioneer_P95B53 ( Pioneer_P95B33 , Pioneer_P95B53 ) - -
XB67A00 W8566-005 YB57G ( W8566-005 , YB57G ( Pioneer_P9584 , 90688 ( Asgrow_A4715 , G40-3P9392 ) ) ) - -
XB74A09 MT95-124604 Pioneer_P97B52 ( MT95-124604 , Pioneer_P97B52 ) - -
XB79A05 FT52700 BR90-5719 ( FT52700 , BR90-5719 ) - -
XB85C04 DM339 XB67A00 ( DM339 , XB67A00 ( W8566-005 , YB57G ( Pioneer_P9584 , 90688 ( Asgrow_A4715 , G40-3P9392 ) ) ) ) - -
XI59739 Asgrow_A6401RG Asgrow_A5780 ( Asgrow_A6401RG , Asgrow_A5780 ( Forrest , Asgrow_A3127 ( Williams , Essex ) ) ) - -
XK-505 C1253 Kent ( C1253 ( Blackhawk , Harosoy ) , Kent ) PI 548688 Teweles Seed Company, PVP 7100037
XK-515 Wayne Habaro_95 ( Wayne , Habaro_95 ) PI 556470 Teweles Seed Company, PVP 7100060
XK-535 Cayuga Chippewa_64 ( Cayuga ( PI_65393 , - ) , Chippewa_64 ) PI 556472 Teweles Seed Company, PVP 7100062
XK-585 Wayne T93A ( Wayne , T93A ) PI 556471 Teweles Seed Company, PVP 7100074
XK505 Calland - ( Calland , - ) - Selection from Calland
XK88K06 MT95-121268 Pioneer_P96B32 ( MT95-121268 , Pioneer_P96B32 ) - -
XR31C09 YB27Z06 SP11513497 ( YB27Z06 ( Pioneer_P93B66 , YB22T00 ( Pioneer_P9362 , MO21584 ) ) , SP11513497 ( Pioneer_P93M20 , JH10032580 ( Pioneer_P92M91 , JH8069431 ( Pioneer_P92B38 , JH7380284 ( Pioneer_P92B38 , JH6676568 ( Pioneer_P92B38 , JX5789894 ) ) ) ) ) ) - -
XR33W20 YB30K06 SP11513497 ( YB30K06 ( Pioneer_P93B86 , YB22T00 ( Pioneer_P9362 , MO21584 ) ) , SP11513497 ( Pioneer_P93M20 , JH10032580 ( Pioneer_P92M91 , JH8069431 ( Pioneer_P92B38 , JH7380284 ( Pioneer_P92B38 , JH6676568 ( Pioneer_P92B38 , JX5789894 ) ) ) ) ) ) - -