Thursday, August 30, 2007
Wednesday, August 29, 2007
Ornamental Hotline Pictures for the What's Hot Section of Issue 23, August 31, 2007
Photo by Bob Mulrooney, University of Delaware, Extension Plant Pathologist
Anthracnose on Walnut
Photo From an Online Guide to Plant Disease Control, Oregon State University Extension
Photo From an Online Guide to Plant Disease Control, Oregon State University Extension
Scoliid wasps are usually considered beneficial insects because they help control green June beetle and other grubs.
Photo from the University of Minnesota
Labels:
anthracnose,
Aschocyta,
lily-of-the-valley,
scoliid wasp,
walnut
Ornamental Hotline Disease Pictures for Issue 23, August 31, 2007
Above 2 Photos from New England Greenhouse Update
Photo by Jody Fetzer, New York Botanical Garden, Bugwood.org
Photo by Jody Fetzer, New York Botanical Garden, Bugwood.org
Labels:
anemone,
botrytis,
butterfly bush,
chrysanthemum,
foliar nematode,
geranium,
pelargonium
Ornamentals Hotline Insect Pictures for Issue 23, August 31, 2007
Photo by John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org
Phyllophaga species include May beetles, June beetles, and scarab beetles. These grubs have a multi-year life cycle.
Photo from Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org
Photo from Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org
Third instar oriental beetle with Tiphia vernalis (parasite) egg on ventral side
Photo by Mike Reding & Betsy Anderson, USDA ARS, Bugwood.org
Photo by Mike Reding & Betsy Anderson, USDA ARS, Bugwood.org
Green June Beetle Grub
Photo from Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org
Photo from Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org
Tuesday, August 28, 2007
Wednesday, August 22, 2007
Ornamentals Hotline Disease Pictures for Issue 22, August 24, 2007
Photo from University of Cincinatti, Clermont College, Biology
Photo from University of Tennesee Plant Pathology
Photo by Peggy Sellers, Purdue University
Photo from Department of Plant Pathology, Washington State University
Photo by Paul A. Mistretta, USDA Forest Service, Bugwood.org
Photo by Chris Evans, River to River CWMA, Bugwood.org
Photo by David J. Moorhead, University of Georgia, Bugwood.org
Septoria Leaf Spot on Cornus florida
Photo from Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org
Photo from Online Guide to Plant Disease Control, Oregon State University
Labels:
birds nest fungi,
Cornus,
dogwoods,
mushroom,
Septoria,
slime mold,
stinkhorn fungi
Tuesday, August 21, 2007
Ornamental Hotline Additional Weed Pictures for Issue 22, August 24, 2007
Ivyleaf Speedwell
Mousear chickweed
All Photos Courtesy of Shawn Askew, Turfgrass Weed Science, Virginia Polytechnic Institute & State University. www.ppws.vt.edu/~saskew/turfweeds/ or www.turfweeds.net
All Photos Courtesy of Shawn Askew, Turfgrass Weed Science, Virginia Polytechnic Institute & State University. www.ppws.vt.edu/~saskew/turfweeds/ or www.turfweeds.net
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