Publications for:

pest = Capsella bursa-pastoris (weed)
crop = Alfalfa/lucerne (Medicago sativa)
country = U.S.A. (SW)

found 2 publications:

2008

Winter annual weed control with herbicides in alfalfa-orchardgrass mixtures
Weed Technology (2008) 22 (1), 30-33
publishers website - pestinfo wiki

1989

Relationship of herbivore-imposed stress to weeds in alfalfa
Environmental Entomology (1989) 18 (6), 958-963
pestinfo wiki