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采用完全双列杂交法,以黄早四、丹340、Mo17和B73为测试种,分析已筛选出的5个巴西自交系和4个我国分属四大类群的温带玉米种质自交系的配合力。结果表明,巴西×温带种质资源的单株产量、配合力等明显优于其它组合。
In this study, five Brazilian inbred lines and four domesticated inbred lines of temperate maize germplasm from four provenances in China were analyzed using complete double-line hybridization with Huangzao 4, Dan 340, Mo17 and B73 as test species. The combining power. The results showed that the per plant yield and combining ability of Brazil × temperate germplasm resources were significantly better than those of other combinations.