Use of herbicides comprising sulfonylurea for increasing yield production in winter type brassica crop

The present invention provides herbicide-tolerant winter-type Brassica plants. The present invention also provides methods for controlling the growth of weeds by applying an herbicide to which herbicide-tolerant plants of the invention are tolerant. Plants of the invention express an AHAS enzyme that is tolerant to the action of one or more AHAS enzyme inhibitors.