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Horticulture and Home Pest News
Horticulture & Home Pest News is filled with articles on current horticulture, plant care, pest management, and common household pests written by Iowa State University Extension specialists in the Departments of Entomology, Horticulture and Plant Pathology.

Plant Disease Clinic Update - June 6, 2007

This article was published originally on 6/6/2007

Samples with the following problems have been seen in the Clinic lately:

Anthracnose on raspberry
Ascochyta leaf blight on turfgrass (see this week's article)
Cedar-apple and cedar-hawthorn rust on cedar
Environmental stress on maple and spruce
Environmental tattering on maple
Fire blight on apple
Herbicide injury on various plants
Mite injury on spruce
Rust on ash
Tar spot on maple
Tatters on oak and hackberry
Thick thatch problems on turfgrass

A raspberry sample with anthracnose, causing purple lesions on the canes.
A raspberry sample with anthracnose, causing purple lesions on the canes.

Year of Publication: 
2007
Issue: 
IC-497(13) -- June 6, 2007