000 00315 a2200133 4500
080 _a631.522(063)
_bF 893 P
245 1 _aPlant breeding
_cedited by K.J. Frey
260 _aIowa
_bIowa State University
_c1967
650 _aPlant Breeding
100 _a
_d
300 _a430 p.
942 _cTB
_2udc
901 _a104114
999 _c57459
_d57459