Publications for:

pest = Sonchus oleraceus (weed)
crop = Sunflower (Helianthus annuus)

found 2 publications:

2010

Levantamento fitossociológico de plantas daninhas na cultura do girassol
[Phytosociological survey of weeds in sunflower crop]
Planta Daninha (2010) 28 (4), 705-716
publishers website - pestinfo wiki

1998

Weed community and species response to crop rotation, tillage, and nitrogen fertility
Weed Technology (1998) 12 (3), 531-536
pestinfo wiki