Robert A Spotts

Etiology of Bull's Eye Rot of Pear Caused by Neofabraea spp. in Oregon, Washington, and California.

D. Sugar, R. Spotts, Jose L Henriquez, 2004, Plant disease.

Effects of Environmental Factors and Cultural Practices on Bull's Eye Rot of Pear.

D. Sugar, R. Spotts, Jose L Henriquez, 2008, Plant disease.