Classification of mustard & rapeseed
Brassica juncea brown mustard ( Indian mustard 2n -36) know as rai raya
Brassica napus-- rapeseed 2n -38
Barssica compestris - sarson
Brassica rapa yellow rape ( turnips)2n-20
Brassica carinata-- Ethiopian mustard 2n-34
Brassica nigra-- banarasi Rai black mustard 2n-16