ISSUE 7   June 26, 2008

UPDATE FROM THE PLANT DIAGNOSTIC LAB

The tables below summarize samples received and processed by the NDSU Plant Diagnostic Lab for the past two weeks (June 11 through June 25, 2008).

Table 1. Number of Sample Submissions by Category.

Sample Category

# of samples

Field crops

36

Nuts/seeds

33

Woody ornamental -Deciduous

9

Woody ornamental - Evergreen

5

Vegetables

4

Fruit

2

Total

89

Table 2. Diagnoses by state, county, and host.

County

Host

Diagnosis

MN-Kittson

Plant ID request

Speedwell, purslane (Veronica peregrina)

ND-Benson

Barley  (Hordeum sp.)

Mechanical damage

ND-Benson

Winter Wheat (Triticum aestivum)

Wheat Streak Mosaic Virus

ND-Burleigh

Yew (Taxus spp.)

Scale insects (order Homoptera)

ND-Cass

Wheat (Triticum spp.)

Herbicide injury (a result of cool, wet soil)

ND-Foster

Dry bean  (Phaseolus vulgaris)

Herbicide injury (a result of cool, wet soil)

ND-Foster

Spring Wheat (Triticum aestium)

Cool weather injury (not metabolizing herbicide)

ND-Hettinger

Spring Wheat (Triticum aestium)

Wheat Streak Mosaic Virus

ND-Mchenry

Ponderosa Pine (Pinus ponderosa)

Hail Damage

ND-Mclean

Winter Wheat (Triticum aestivum)

Wheat Streak Mosaic Virus

ND-Morton

Green Ash (Fraxinu pennsylvanica lanceolata)

Herbicide injury

ND-Morton

Pine (Pinus spp.)

Drought stress damage; Winter injury

ND-Richland

Spring Wheat (Triticum aestium)

Root rot (not specified)

ND-Sheridan

Sunflower (Helianthus sp.)

Herbicide injury (a result of cool, wet soil)

ND-Ward

Field Pea (Pisum sativum)

Cutworm damage

Kasia Kinzer
NDSU.PlantDiagnosticLab@ndsu.edu
701.231.7854


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