一、引言近年来,我区的良种区域化试验,自从成立区种子公司,建立良种审定体系和一系列规范化措施以来,良种评选工作取得了可喜的成绩,但是由于试验设计方法的局限性和分析方法的烦琐性,不可避免地给资料汇总、良种良法和技术推广等工作带来困难。现用的品种区试设计方案,多数仍采用1935年英国统计学家 R.A.Fisher(1890—1962)所提出的单因素随机区组经典试验设计。这种试验设计,由于考察的因素只有一个(品 I. INTRODUCTION In recent years, since the establishment of regional seed companies, the establishment of seed certification system and a series of standardized measures, the testing of improved varieties has made gratifying achievements in the regionalization testing of improved varieties in our district. However, due to the limitations and analysis of experimental design methods The tediousness of the method inevitably brings difficulties to the compilation of data, good breeding practices and promotion of technologies. The current variety of regional trial design, the majority still use the 1935 British statistician R.A. Fisher (1890-1962) proposed by the single-factor randomized block classic design. This experimental design, due to the investigation of only one factor (product