00638nam a22002297a 4500003000500000005001700005008004100022010000900063011000900072035000900081040000900090100002400099245010000123260006800223300000800291490001300299500001200312650002000324650002500344650002600369830001300395CHAP20220329133125.0971013s1990 r 00010 d a2428 a3400 a2600 cCHAP00aBrigham, Raymond D. aSunflower (Helianthus annuus L.): lines and germplasms released in Texas and the USA, 1968-1988 aCollege Station :bTexas Agricultural Experiment Station,c1990 a6 p aMP. 1684 aD45-21414aGirasolxE.U.A.14aGirasolxGeneĢtica.14aGirasolxGermoplasma.0 aMP. 1684