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Plant Health Care Report issue 2014-8

The Scouting Report of The Morton Arboretum for June 6, 2014.

Plant_Health_Care_Report_2014_8

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What indicator plant is in bloom at the Arboretum?
Black Locust (Robinia pseudoacacia) is in full bloom


Accumulated Growing Degree Days at The Morton Arboretum
Accumulated Growing Degree Days (Base 50): 471 (as of June 5)
Accumulated Growing Degree Days (Base 30): 1729 (as of June 5)


Insects

Euonymus scale
Four-lined plant bug
Galls
White-marked tussock moth
Hawthorn leafminer


Diseases

Apple scab
Fire blight
Downy leaf spot of Carya
Cedar hawthorn rust on hawthorn