应用DTOPSIS法综合评价西昌市粳稻新品种（系）

以2008年西昌市新培育和引进的水稻新品种（系）为材料,应用DTOPSIS分析法,对其16个性状进行综合评价。结果表明：在供试的8个品种（系）中,与理想品种性状的相对接近度依次为：西粳2号〉西粳1号〉西粳3号〉合系22-2（CK）〉BM-2〉B168〉BM-3〉B169〉BM-1。西粳1号、西粳2号和西粳3号综合表现优于对照,说明运用DTOPSIS法对水稻品种进行评判可以达到优中选优的效果。

Application of DTOPSIS Method in Evaluating New Japonica Rice Varieties of Xichang

The 16 characters were evaluated by using the DTOPSIS method with the new introduced and breed Japonica rice varieties in 2008 of Liangshan. The results indicated that the relative approach degree of characters of 8 tested varieties compared with ideal varieties was Xijing-2〉 Xijing-1〉 Xijing-3〉 Hexi-22-2 （CK）〉BM-2 〉 B168 〉 BM-3 〉 B169 〉 BM-1. The expression of comprehensive characters of Xijing-1, Xijing-2 and Xijing-3 were better than that of Hexi-22-2, suggesting that the DTOPSIS method was superior to evaluate new rice varieties and select the best varieties.