Publications for:

pest = Ricinus communis (weed)
crop = Coffee (Coffea)
country = Brazil (south)

found 2 publications:

2011

First report of Cercospora coffeicola causing cercospora leaf spot of castor beans in Brazil
Plant Disease (2011) 95 (11), p.1479
publishers website - pestinfo wiki

2010

Levantamento fitossociológico de plantas daninhas em cafezal orgânico
[Weeds phytosociological survey in organic coffee crop]
Bragantia (2010) 69 (3), 631-636
publishers website - pestinfo wiki