On the number and size of cross combinations in a breeding programme of self-fertilizing crops |
| |
Authors: | K Yonezawa H Yamagata |
| |
Institution: | (1) Laboratory of Plant Breeding, Faculty of Agriculture, Kyoto University, 606 Kyoto, Japan |
| |
Abstract: | Summary The number and size of crosses in a breeding programme were discussed to the conclusion that the number of crosses rather than the size of a cross should be increased with a given total population size. The advantage due to this manipulation, however, is relatively small when such genotypes as improved for many (twenty-five or more) loci are to be obtained, or when a high proportion (around 0.1 or more) of available combinations have the potentiality of releasing the objective genotypes. In such a case, the ease with which crossing and cultivation can be carried out becomes the decisive factor. |
| |
Keywords: | Self-fertilizing crops number of cross combinations size of cross combination breeding method |
本文献已被 SpringerLink 等数据库收录! |
|