Genetic analysis of salinity tolerance in Brassica campestris L. ssp. chinensis (L.) Makino var. communis Tsen et Lee

Genetic analysis of salinity tolerance in Brassica campestris L. ssp. chinensis (L.) Makino var. communis Tsen et Lee

2009

A:PS

Genetics of salinity tolerance in Pak-choi were investigated by an eight-parent complete diallel cross II design only including direct crosses. Genetic effect analysis was estimated by Hayman method. Inheritance of salinity tolerance in Pak-choi was fitted to the additive-dominant model. Salinity tolerance was mainly controlled by dominant genes and salinity sensitivity was controlled by recessive genes.There were additive effect and dominant effect in genetic effects. However, the dominant effect played a major role and over-dominance might exist in salinity tolerance exhibition. Inheritances of salinity tolerance may be controlled by few major genes.

no.4:21-25, CHINA VEGETABLES

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