Because it belongs to the same family as other brassica crops such as cabbages, turnips and choumoellier, this weed is very difficult to control selectively in such crops as it is resistant to the ...

Turnips are a form of Brassica rapa, the same species as bok choy and ... two inches apart in rows 18 to 30 inches apart. Once true leaves have emerged, thin the seedlings to a spacing of three ...