Bull’s Eye Rot Quiz Bull's Eye Rot Bull's Eye Rot Quiz Name(Required) First Last Email(Required) Enter Email Confirm Email 1. Bull’s Eye Rot (BER) is(Required) a. fungal b. viral c. bacterial 2. BER is caused by four Neofabraea species. Which species is more often found on pears in Oregon.(Required) a. N. perennans b. N. alba c. N. malicorticis d. N. kienholzii 3. BER is a post-harvest disease of(Required) a. apples b. pears both a and b 4. It is easy to differentiate between BER infections caused by the different Neofabraea species on fruit.(Required) true false 5. Infections of BER originate from(Required) a. lenticels b. wounds c. stem bowl d. calyx-end all of the above a, b, and c a and b b, c, and d 6. In Washington State BER accounts for _% of overall decayed fruit(Required) a. 3-5% b. 8-10% c. 8-15% d. 10-15% 7. Infections are more frequent in rainy seasons and on late cultivars that tend to receive more rain.(Required) true false 8. BER is caused by four Neofabraea species. In central Washington BER is predominantly caused by(Required) a. N. perennans b. N. alba c. N. malicorticis d. N. kienholzii 9. BER symptoms of infections originating from the stem end show lesions that are depressed, circular, flat to slightly sunken with a light brown to dark brown halo around a lighter brown to tan center.(Required) true false 10. BER is caused by four Neofabraea species. Which species is more widespread in western Washington where it causes Anthracnose cankers in addition to BER.(Required) a. N. perennans b. N. alba c. N. malicorticis d. N. kienholzii 11. Neofabraea species can overwinter, as asymptomatic infections, in mummified fruits, pruned wood, leaf litter, and on grass around the orchard(Required) true false 12. Which statement is true?(Required) a. BER infects fruit post-harvest while in storage b. BER infects fruit pre-harvest and symptoms are seen before harvest c. BER infects fruit pre-harvest and symptoms are only seen after 3-4 months in storage 13. BER does not spread from decayed to healthy fruits inside the bin in cold storage.(Required) true false 14. It is ideal to harvest fruit while they are dry and store immediately.(Required) true false 15. For more effective control of BER chemical treatments should be applied(Required) a. 18 weeks before harvest b. two weeks before harvest