Publications for:

pest = Phytophthora (genus)
crop = Buxus (crop)

found 2 publications:

First report of leaf spot caused by Phytophthora taxon Pgchlamydo on evergreen nursery stock in California
Plant Disease (2012) 96 (11), p.1691
publishers website - pestinfo wiki

A new species of Phytophthora reported to cause root and collar rot of common boxwood, Nordmann fir and Port Orford cedar in Hungary
Plant Pathology (2010) 59 (6), 1166-1167
publishers website - pestinfo wiki