ISSUE 5 June 11, 2009
PLANT DIAGNOSTIC LAB PERIODIC REPORT
A total of 164 samples were processed by the NDSU Plant Diagnostic Lab from May 27 through June 10, 2009. The table below summarizes samples received for routine diagnoses only during this time period (research samples and those submitted for seed health or phytosanitary testing are omitted):
|
State-County |
Host |
Diagnosis |
|
MN-Clay |
Freeman's Maple (Acer freemanii) |
Abiotic disorder - frost crack, suspected |
|
MN-Clay |
Plant ID Request |
Honeysuckle, Lonicera xylosteoides "Claveys Dwarf", confirmed |
|
MN-Clay |
Plant ID Request |
Tatarian Honeysuckle, Lonicera tatarica, confirmed |
|
MN-Clay |
Plant ID Request |
Honeysuckle, Lonicera xylosteum "Emerald Mound", confirmed |
|
MN-Olmsted |
Corn (Zea mays) |
Abiotic disorder - chemical injury, suspected |
|
ND-Bowman |
Crested Wheatgrass (Agropyron cristatum) |
Black grass bug, Labops hesperius, confirmed |
|
ND-Burleigh |
Apple (Malus domestica) |
Oystershell scale, Lepidosaphes ulmi, confirmed |
|
ND-Burleigh |
Blue Spruce (Picea pungens) |
Abiotic disorder - Growth regulator-type herbicide injury, suspected |
|
ND-Burleigh |
Blue Spruce (Picea pungens) |
Abiotic disorder - transplant shock, suspected |
|
ND-Cass |
Barley (Hordeum species) |
Abiotic disorder - Chemical injury, suspected |
|
ND-Cass |
Dandelion (Taraxacum officinale) |
Dandelion Leaf rust, Puccinia species, suspected |
|
ND-Grand Forks |
Plant ID Request |
Insufficient sample |
|
ND-Hettinger |
Choke Cherry (Prunus virginiana) |
Brown rot, Monilinia fructicola, confirmed |
|
ND-Hettinger |
Plant ID Request |
Garlic mustard, Alliaria petiolata, suspected |
|
ND-LaMoure |
Plant ID Request |
Obedient plant, Physotegia virginiana, inconclusive |
|
ND-Logan |
Wheat - winter (Triticum aestivum) |
Wheat streak mosaic virus (WSMV), confirmed |
|
ND-McHenry |
Insect ID Request |
Red Flour Beetle, Tribolium castaneum, confirmed |
|
ND-Pembina |
Plant ID Request |
Insufficient sample |
|
ND-Ramsey |
Spruce (Picea species) |
Abiotic disorder - Insufficient light, suspected |
|
ND-Ransom |
Wheat - winter (Triticum aestivum) |
High Plains Virus (HPV), confirmed |
|
ND-Ransom |
Wheat - winter (Triticum aestivum) |
Wheat streak mosaic virus (WSMV), confirmed |
|
ND-Ransom |
Wheat - winter (Triticum aestivum) |
Wheat streak mosaic virus (WSMV), confirmed |
|
ND-Ransom |
Wheat - winter (Triticum aestivum) |
Wheat streak mosaic virus (WSMV), confirmed |
|
ND-Slope |
Spruce (Picea species) |
Abiotic disorder - trunk girdling, suspected |
Kasia Kinzer
NDSU Plant Diagnostician
701-231-7854
ndsu.pdl@ndsu.edu
http://www.ag.ndsu.nodak.edu/diaglab/
