Publications for:

pest = Portulaca oleracea (weed)
crop = Cabbage (Brassica oleracea)

found 3 publications:

2009

Weed management in organically grown kale using alternative cover cropping systems
Weed Technology (2009) 23 (1), 81-88
publishers website - pestinfo wiki

1997

Weed management effects on insects and diseases of cabbage and snapbeans
HortTechnology (1997) 7 (4), 400-403
pestinfo wiki

1981

Effect of weedy backgrounds on colonization of collards by green peach aphid, Myzus persicae, and its major predators
Environmental Entomology (1981) 10 (3), 285-289
pestinfo wiki