Keywords Biomass heterosis, Genetic heterozygosity, Brassica napus, Brassica campestris, RFLP,AFLP, Sclerotinm stem rot, Arabidopsis cDNA microarray, Computer software;

• 油菜;远缘杂交;杂种优势机理;RFLP;AFLP;菌核病;DNA芯片;拟南芥;计算机软件;