| Breeding ways | Applying scope | ||||
| In a variety | Among varieties | Among species | Among genus | Among family | |
| Pure line selection | √ |
|
|
|
|
| Physical and chemical induction of mutation, astronavigation breeding | √ |
|
|
|
|
| Crossing breeding, hybrid vigor utilization, current selection |
| √ |
|
|
|
| Haploid breeding |
| √ |
|
|
|
| Multiploid breeding |
|
|
|
|
|
| With edge polyploid |
| √ |
|
|
|
| Different flange polyploid |
|
| √ | √ |
|
| Aneuploidy breeding (chromosome engineering) |
|
| √ | √ |
|
| Somatic hybridization |
|
| √ | √ | √ |
| Modern biotechnology breeding |
|
|
|
|
|
| DNA fragments import |
|
| √ | √ | √ |
| Objective genes into |
|
| √ | √ | √ |