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