Pome fruits - pathogens (testing required) Herbaceous ...

1 Pome fruits - pathogens (testing required) Herbaceous Woody Index ELISA PCR or RT- Comments Indicator PCR. Apple blister bark agent Red Delicous AFCVd? Apple chlorotic leafspot trichovirus (ACLSV) C. quinoa*. N. occ. Russian seedling*, M. platycarpa*, Spy Yes* Yes* X apple, pear, quince 37B* 227*, M. micromalus*, Cydonia oblonga*, Pyronia veitchi*. Apple dead spur agent Red Delicious apple Apple flat limb agent Lord Lambourne*, Gravensteiner* apple Apple freckle scurf agent Red Delicious apple Apple green crinkle agent Golden Delicious* apple (may be ASPV?) (also to pear, quince). Apple leaf pucker agent and related disorders associated with ACLSV? (also to pear, quince). McIntosh leaf pucker Golden Delicious*. Golden Delicious russet ring Golden Delicious*. Newtown ring russeting Golden Delicious*. Stark Delicious ring russeting Golden Delicious*.

2 Common Delicious ring russeting Golden Delicious*. Jubilee ring-and-line pattern agent Golden Delicious Stayman blotch Stayman*. Ballarat leaf pucker Golden Delicious*. Granny Smith leaf flick, bark blister, fruit russet and distortion Red Delicious red ring Golden Delicious*. Apple mosaic ilarvirus (ApMV) C. sativus* Golden Delicious* Yes* Yes* apple, pear (quince?). Apple pustule canker agent Red Delicious apple Apple red ring agent Golden Delicious apple Apple rough skin agent Golden Delicious apple Apple rubbery wood agent Lord Lambourne* Needs research, phytoplasma suspected Apple russet ring agent Golden Delicious apple Apple scar skin apscaviroid Red delicious* Yes* apple Apple stem grooving capillovirus (ASGV) C. quinoa* Virginia crab*, M. micromalus* Yes* Yes* X Malus, Pyrus Apple stem pitting foveavirus (ASPV) N.

3 Occ. 37B* Virginia crab*, M. micromalus*, Yes* X Malus, Pyrus, Cydonia Radiant*, Pyronia veitchii*, Spy 227*. Apple transmissible internal bark necrosis agent Red delicious Malus: near Wenatchee, resembles abiotic Cherry rasp leaf cheravirus (CRLV) C. quinoa* Golden Delicious* Yes* Yes* Malus (and Prunus): ELISA not recommended Pear blister canker apscaviroid C. oblonga C7/1 Pigwa*, Fieud 37* Yes* Pyrus Pear concentric ring pattern agent Red Silk Pear(?) Pyrus Pear stony pit agent Beurre Hardy*, Beurre Bosc Pyrus Quince sooty ringspot P. veitchii*, C oblonga C7/1 Pigwa* Malus, Pyrus, Cydonia: ASPV? Tobacco necrosis necrovirus (TNV) C. quinoa Yes* Malus, Pyrus Nepoviruses Readily detected by Herbaceous indicators but will not distinguish between nepoviruses Tobacco ringspot nepovirus (TRSV) C. quinoa* Yes Yes Malus Tomato ringspot nepovirus (TORSV) C.

4 Quinoa* Yes Yes* Malus Malus Page 1 of 4. Pome fruits - disease complexes: Herbaceous Woody Index ELISA PCR or Comments Indicator RT-PCR. Quince stunt virus complex C. oblonga C7/1 Pigwa* ASPV + ACLSV. Malus Page 2 of 4. Pome fruits - pathogen/disease synonyms: Herbaceous Woody Index ELISA PCR or Comments Indicator RT-PCR. Apple dapple apple ASSVd Apple flat apple CRLV. Apple Platycarpa scaly bark agent ASPV? Apple Sabi-ka agent ASSVd? Apple star crack agent (ASSVd) Golden Delicious* strain of ASSVd? Pear corky pit agent Beurre Hardy*, Beurre Bosc Pear stony pit agent? Pear ring pattern N. occ 37B*, C. P. veitchii*, Nouveau Poiteau*, Yes* Yes* ACLSV. quinoa* Fieud 37*, P. communis A20*, C. oblonga C7/1*. Pear stem grooving Virginia crab*, M. micromalus*, Yes* Yes* ASGV. P. veitchii*. Pear vein yellows N.

5 Occ 37 B* P. veitchii*, Nouveau Poiteau*, Yes* Yes* APSV. Jules d'Airolles*, Virginia crab*. Quince deformation agent ASPV? Quince yellow blotch agent Apple rubbery wood? Malus Page 3 of 4. A B C D E F. Pome fruits - disorders requiring further Herbaceous Woody Index ELISA PCR or Comments information (research or exhaustive literature Indicator RT-PCR. 1 search): 2 These disease agents may be of little importance to the certification program 3 1) No pest records for the 4 Apple (Malus robusta No. 5) decline agent No pest record; more information needed 5 Apple brown ringspot agent No pest record; more information needed 6 Apple bumpy fruit of Ben Davis agent No pest record; more information needed 7 Apple bunchy top agent No pest record; more information needed Apple latent spherical virus No pest record; Japanese seed transmitted virus , 8 non-graft transmitted 9 Apple little leaf agent No pest record; more information needed 10 Apple ringspot agent No pest record; more information needed 11 Apple rosette agent No pest record; more information needed 12 Apple russet wart agent No pest record; more information needed Pear bark split agent Beurre Hardy*, Barlett, Doyenne du No pest record; more information needed 13 Comice 14 Pear bud drop agent Beurre Hardy*, Doyenne du Comice No pest record.

6 More information needed 15 Pear mild mosaic agent No pest record; more information needed 16 Pear rough bark agent Bartlett* No pest record; more information needed 17 Quince yellow mosaic agent No pest record; more information needed 18. 19 2) No recent records 20 Apple green dimple and ring blotch agent More information needed 21 Apple (McIntosh) depression agent More information needed 22 Apple necrotic spot and mottle agent More information needed 23 Apple Newton wrinkle agent More information needed 24 Apple painted face agent More information needed 25 Pear bark necrosis agent P. veitchii, Beurre Hardy* More information needed 26 Pear freckle pit agent Beurre Bosc* More information needed 27 Quince wood pitting agent More information needed 28. 29 3) Present but very limited distribution Apple decline (suspected phytoplasma?

7 More information needed; not known to be graft 30 transmissible Malus Page 4 of 4.