If more than 5% wild mustard is present in a canola sample, the canola is graded "sample reject". The branched stem is erect, about 1 m (3 ft.) tall, and has short, stiff hairs, especially on the ...

A: Garlic mustard is a biennial, meaning the first year it produces leaves from the seeds and the next year it sprouts a ...

Five weevils (Ceutorhynchus spp) and one flea beetle (Phyllotreta ochripes) have been under investigation as possible biocontrols for garlic mustard. The weevils include two stem-feeders, two ...