ISSUE 5   June 10, 2010

NDSU PLANT DIAGNOSTIC LAB UPDATE

For June 2 through June 8, 2010, the Plant Diagnostic Lab processed 49 samples. Twenty-two of these were submitted to fulfill phytosanitary requirements for export, 15 were part of the Great Plains Diagnostic Network small grain virus survey, and 12 were submitted for routine diagnosis/identification. Diagnoses (by county) for North Dakota samples completed during this time are summarized in the table below:

County

Host

Diagnosis

Benson

Winter Wheat (Triticum aestivum)

BYDV-PAV

Benson

Winter Wheat (Triticum aestivum)

WSMV

Benson

Winter Wheat (Triticum aestivum)

WSMV

Bottineau

Barley (Hordeum vulgare)

WSMV

Burleigh

Plant ID Request

Common Bluemustard (Chorispora tenella)

Burleigh

Plant ID Request

Prunus species

Cass

Apple (Malus domestica)

Apple Black Rot (Botryosphaeria obtusa)

Cass

Apple (Malus domestica)

Loopers (Families Geometridae; Noctuidae)

Cass

Winter Wheat (Triticum aestivum)

WSMV

Cavalier

Winter Wheat (Triticum aestivum)

WSMV

Ramsey

Winter Wheat (Triticum aestivum)

WSMV

Ransom

Winter Wheat (Triticum aestivum)

High Plains Virus

Ransom

Winter Wheat (Triticum aestivum)

WSMV

Sargent

Winter Wheat (Triticum aestivum)

BYDV-PAV

Sargent

Winter Wheat (Triticum aestivum)

BYDV-PAV

Ward

Rye (Secale cereale)

WSMV

Ward

Wheat (Triticum sp.)

WSMV

Ward

Winter Wheat (Triticum aestivum)

BYDV-PAV

Ward

Winter Wheat (Triticum aestivum)

WSMV

Ward

Winter Wheat (Triticum aestivum)

WSMV

Ward

Winter Wheat (Triticum aestivum)

WSMV

Bottineau

Linden (Tilia americana)

Chemical Injury suspected

Bottineau

Maple (Acer sp.)

Growth Regulator Effect

Bottineau

Bentgrass/Annual bluegrass

Snow Mold (Typhula sp.)

Burleigh

Arborvitae (Thuja sp.)

Winter Injury

Burleigh

Plant ID Request

Quack Grass (Agropyron repens)

Mcintosh

Various hosts (apple, maple, oak, pepper)

Growth Regulator Effect

Richland

Willow (Salix sp.)

Planting Too Deep

Richland

Willow (Salix sp.)

Transplant shock

Kasia Kinzer
NDSU Plant Diagnostician
Web: www.ag.ndsu.nodak.edu/diaglab
e-mail: kasia.kinzer@ndsu.edu
Telephone: 701-231-7854


NDSU Crop and Pest Report Home buttonTop of Page buttonTable of Contents buttonPrevious buttonNext button