Pacific Forestry Centre's Forest Pathology Herbarium

DAVFP: 25260

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Forest Service Stn. Clone #20-74. Very distinct 'leaf-bronzing' caused by this mite & appears as compartmentalized brown areas on the undersurface of leaves.

Gene bank accession data: None

DAVFP: 25261

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus deltoides Marshall X P. trichocarpa Torr. & A. Gray ex Hook.

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Forest Service Res. Stn. Clone DTAC 8. The undersides of the leaves have orangy, scaly, 'leaf-bronzing' disease symptoms. This mite was identified in and on the bronzed areas.

Gene bank accession data: None

DAVFP: 25262

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Research Station. Clone #22-87. This mite caused very distinct, orangy, small bronzed compartments on the undersurface of the leaves. The leaves are moderately to heavily bronzed.

Gene bank accession data: None

DAVFP: 25263

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. maximowiczii Henry

Year of collection (y-m-d): 1996-09-11

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. T X M hybrid, clone #268-55. First record of 'leaf-bronzing' on a T X M hybrid caused by this mite. Bronzing is not as distinctly compartmentalized as in T X D hybrids or P. trichocarpa.

Gene bank accession data: None

DAVFP: 25264

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus maximowiczii Henry X P. maximowiczii Henry

Year of collection (y-m-d): 1996-09-12

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Max X Max hybrid, clone #301-113. First record of 'leaf-bronzing' caused by this mite on this hybrid.

Gene bank accession data: None

DAVFP: 25265

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. nigra L.

Year of collection (y-m-d): 1996-09-12

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Clone #302-9. First record of 'leaf-bronzing' (distinct, orangy, compartmentalized) on a T X N hybrid caused by this mite.

Gene bank accession data: None

DAVFP: 25266

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-18

Map coordinates: 49.2461°N, 121.9696°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Harrison Mills, B.C.

Remarks: Scott Paper Plantation. The symptoms caused by this mite occur only on the underside of the leaf as bronzed areas. Marssonina sp. appears on both sides of the leaf as darker brown spots with fine grey centres.

Gene bank accession data: None

DAVFP: 25267

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-22

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Clone #20-74. Very distinct 'leaf-bronzing' on the underside of the leaves. Mites were identified.

Gene bank accession data: None

DAVFP: 25271

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-29

Map coordinates: 54.3747°N, 128.9230°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Terrace, B.C.

Remarks: Esker overpass. Clone #60-290. Moderately heavy leaf-bronzing on the underside of the leaves.

Gene bank accession data: None

DAVFP: 25389

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Spencer, P.; Hunt, A.; Callan, B.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Research Station. MoF hybrid poplar trial, pos'n #561. Hybrid clone #22-87. On Riker mount.

Gene bank accession data: None

DAVFP: 25285

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus X jackii Sarg.

Year of collection (y-m-d): 1997-08-24

Map coordinates: 49.9407°N, 119.5783°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Kelowna, B.C.

Remarks: Bear Ck. near Kelowna. On the leaves. Also has Melampsora occidentalis on the leaves and Aceria parapopuli that caused the bud galls on the twigs.

Gene bank accession data: None

DAVFP: 25272

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray

Year of collection (y-m-d): 1996-09-29

Map coordinates: 54.3735°N, 128.4612°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Lakelse Lake, B.C.

Remarks: Lakelse Lake Park, S of Terrace. The native cottonwoods in this park had other disease symptoms on most leaves (e.g. Septoria, Melampsora).

Gene bank accession data: None

DAVFP: 25270

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray

Year of collection (y-m-d): 1996-09-29

Map coordinates: 54.3747°N, 128.9230°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Terrace, B.C.

Remarks: Esker overpass. This leaf has other pathogenic symptoms on it (e.g. Septoria).

Gene bank accession data: None

DAVFP: 25269

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray

Year of collection (y-m-d): 1996-09-28

Map coordinates: 54.3745°N, 129.2309°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Terrace, B.C.

Remarks: Exchamsiks River Park, W of Terrace. 'Leaf bronzing', a compartmentalized browning on the underside of the leaves only, is caused by this mite.

Gene bank accession data: None

DAVFP: 25268

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: (Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall) X P. maximowiczii Henry

Year of collection (y-m-d): 1996-09-22

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Clone #233-3. This mite caused light 'leaf-bronzing' symptoms on the underside of the leaves.

Gene bank accession data: None