Publications for:

pest = Solanum americanum (weed)
crop = Watermelon/colocynth (Citrullus)

found 2 publications:

2010

Critical period of interference between American black nightshade and triploid watermelon
Weed Technology (2010) 24 (3), 397-400
publishers website - pestinfo wiki

2008

Season-long interference of American black nightshade with watermelon
Weed Technology (2008) 22 (1), 186-189
publishers website - pestinfo wiki