作　　者： ; (宋凤娟）;

机构地区： 建三江农场局科研所种子管理处

出　　处： 《大豆科学》 1997年第2期181-184,共4页

摘　　要： 在３１个不同结荚习性大豆品种（系）试验的４行区中间２行，分别取第１、２、３、４株，调查其产量构成性状并进行单株测产和考种，分析了不同性状的边际效应。结果表明不同性状的边际效应大小的排列为分枝数＞产量构成性状（单株荚数、粒数）、产量＞茎杆重＞百粒重＞粒茎比。亚有限结荚习性品种边际效应大于无限结荚习性品种。 Thirty one soybean varieties(lines) with different pod bearing habit were tested in the study. The first, second, third and fourth plants from the middle two lines of the four line plots were studied, The border effects of different varieties were analyzed through yield component characters investigation, yield test and plant study. The results showed that the sequence of border effect was: numbers of branches > yield component characters (pods per plant and number of seeds) and yield >stem height>heigh per 100 seeds > seed stem ratio. The border effect of semideterminate varieties was larger than that of indeterminate varieties. Significant difference existed among the border effect of different varieties. The border effects of eight varieties(lines), such as Kefu8906 2, Nongda6455, Hefeng25, etc. were smaller.

关 键 词： 大豆 品种 结荚习性 边际效应

领　　域： [农业科学]