Publications for:

pest = Richardia scabra (weed)
crop = Maize/corn (Zea mays)

found 2 publications:

2008

Use of wild radish (Raphanus raphanistrum) and rye cover crops for weed suppression in sweet corn
Weed Science (2008) 56 (4), 588-595
publishers website - pestinfo wiki

2004

Small-grain cover crop interaction with glyphosate-resistant corn (Zea mays)
Weed Technology (2004) 18 (1), 52-59
publishers website - pestinfo wiki