Publications for:

pest = Cyperus rotundus (weed)
crop = Cabbage (Brassica oleracea)

found 2 publications:

2008

Crop rotation effects on Cyperus rotundus and C. esculentus population dynamics in southern California vegetable production
Weed Research (2008) 48 (5), 420-428
publishers website - pestinfo wiki

2006

Purple nutsedge management for organic vegetable production
HortScience (2006) 41 (3), p. 505
pestinfo wiki