Ornamentals Hotline Insect Pictures for Issue 18, July 27, 2007

Honeylocust pod gall midge

Photo by Whitney Cranshaw, forestryimages.org

Honeylocust pod gall midge damage

Photo by E. Bradford Walker, forestryimages.org

Honeylocust Pod Gall Midge Damage
Photo by Whitney Cranshaw, forestryimages.org

Honeylocust Pod Gall Midge Damage
Photo by Michael Masiuk, woodypests.cas.psu.edu/FactSheets/InsectFactSheets/html/Honey_Pod_Gall_Midge.html

Mimosa Webworm on Honeylocust
From Kansas Insect Newsletter, July 14, 2006, KSU Entomology Extension

Honeylocust Spider Mite

Photo by Whitney Cranshaw, forestryimages.org

Honeylocust Plant Bug

From woodypests.cas.psu.edu/FactSheets/InsectFactSheets/html/Honeylocust.html

Honeylocust Leafhopper
Photo by Whitney Cranshaw, forestryimages.org

Ornamentals Hotline Disease Pictures for Issue 18, July 27, 2007

Nectria Canker on Honeylocust

Photo: Robert Blanchette, University of Minnesota Extension

Diplodia Tip Blight on Pine
Photo by Minnesota Department of Natural Resources Archives

forestryimages.org

Diplodia Tip Blight on Pine
Photo by Susan K. Hagle, forestryimages.org

Ornamentals Hotline Weed Pictures for Issue 18, July 27, 2007

Bermudagrass control experiment with glyphosate and Basamid

Nimblewill control experiment with glyphosate and Basamid

Nimblewill control in fall with glyphosate (Roundup) and Basamid

Basamid application uniformity is key when not tarped.

All slides from a presentation by Shawn Askew, Extension Turfgrass Weed Scientist, Virginia Tech.

Ornamentals Hotline Additional Disease Pictures for Issue 17, July 20, 2007

Peony Blotch on Tree Peony Leaves

Marginal Leaf Scorch Due to Water Stress on Katsura Tree

Photos by Bob Mulrooney, Extension Plant Pathologist, University of Delaware, Cooperative Extension

Ornamentals Hotline Disease Pictures for Issue 17, July 20, 2007

Photo from Iowa State University Forestry Extension Website.

Bacterial Leaf Scorch on Pin Oak

Photo by Jim Peter, The Plant & Pest Diagnostic Laboratory at Purdue University

Bacterial Scorch on Pin Oak
Photo by Jim Peter, The Plant & Pest Diagnostic Laboratory at Purdue University

Bacterial Leaf Scorch on Oak

Photographer Edward L. Barnard, Florida Department of Agriculture and Consumer Services

Peony blotch on peony (Paeonia)

Image from Missouri Botanical Garden, Kemper Center for Home Horticulture Web Site

Ornamentals Hotline Insect Pictures for Issue 17, July 20, 2007

Azalea Lacebug

Clemson University - USDA Cooperative Extension Slide Series, www.insectimages.org

Lacebug Feeding on Leaf

Photo by B.A. Kunkel, Extension IPM Specialist, Univ. Delaware

Lacebug Closeup

Photo by B.A. Kunkel, Extension IPM Specialist, Univ. Delaware

Ornamentals Hotline Weed Pictures for Issue 17, July 20, 2007

Yellow Nutsedge Plants

Yellow Nutsedge in Turf Near Drain Outlet

Yellow Nutsedge Growing Through Mulch


Yellow Nutsedge Rhizomes


Glyphosate Spot Sprayed on Yellow Nutsedge: Multiple Applications Will Be Needed


Newly Forming Tubers at the End of Rhizomes on Yellow Nutsedge (magnified 8x)

Mature Tuber From Yellow Nutsedge (magnified 8x)

Triangular Stem of Yellow Nutsedge (Magnified 8x)

All Yellow Nutsedge Pictures by Gordon Johnson, Extension Agriculture and Commercial Horticulture Agent, University of Delaware, Kent County

Ornamentals Hotline Insect Pictures for Issue 16, July 13, 2007

Mimosa Webworm: Webbing on Leaves

Photo by John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org

Ornamentals Hotline Disease Pictures For Issue 16, July 13, 2007

Bacterial Leaf Spot of Zinnia

Aster Yellows on Rudbeckia

Aster Yellows on Coneflower

Brown Patch on Tall Fescue Leaves

All Disease Pictures by Bob Mulrooney, University of Delaware, Extension Plant Pathologist

Ornamentals Hotline Weed Pictures For Issue 16, July 13, 2007

Bermudagrass (wiregrass) Stolon

Bermudagrass (wiregrass) Infesting Cool Season Turfgrass

Bermudagrass (wiregrass) Infesting Liriope Bed

Bermudagrass (wiregrass) Hair-like Ligule, not Membranous

Bermudagrass (wiregrass) seed head

All Bermudagrass Pictures Taken By Gordon Johnson, Extension Agriculture and Horticulture Agent, University of Delaware, Kent County.