【摘要】 应用秩次变量nij 和nij’,非参数统计量Pi、Pi’、Si 和Dj 描述 1999年长江上游油菜品种区域试验资料。结果表明 :94 0 7N丰产性、稳产性最好 ,94杂 - 3、黔杂 97- 2次之。油 2 71丰产性最差 ,绵阳92 - 4 592稳产性最差。除曲靖、昆明点之外 ,其余试验点具有较好的代表性更多还原

【Abstract】 rank variates and 4 noparametric measures Pi,Pi,Si and Dj were used to describe the basic characteristics of the regional trial data for the upper Yangtze River valley in 1999.The results showed that the productivity and stability of “9407N” were best,then “94 Za-3”and “Qianza 97-2”,and the productivity of “You 271” and the stability of “Mianyang 92-4592”were lowest.All sites except Qujing and Kunming had better representative.更多还原