Abstract:

The aim was to study the genetic development of dwarf mutants of rice. Two dwarf mutants mini-plant (mp) and dwarf multi-tiller, reciprocal crossed with‘Minghui 63’and‘Minghui 86’. By the character investigation and chi-square test, in the F1 generation, two dwarf mutants had recessive heredity. In the F2 segregating population, the number of rice dwarf mutant and wild-type plants, met Mendel's single-genetic laws. Therefore, it confirmed that the two dwarf mutants of rice were controlled by a single autosomal recessive gene, respectively.