This paper defines the connotation of ideal type of rapeseed(Brassica napus) plant and emphasizes the multi-functionality of rapeseed and the functional specificity of its ideal type of plant. The ideal type of rapeseed is defined as the plant form that realizes some fu...MORE This paper defines the connotation of ideal type of rapeseed(Brassica napus) plant and emphasizes the multi-functionality of rapeseed and the functional specificity of its ideal type of plant. The ideal type of rapeseed is defined as the plant form that realizes some function of rapeseed and facilitates the maximization ...