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Plants, Pests and Pathogens
Tuesday, February 22, 2011
10:05 a.m.
Regional Update: Coastal Plains:
Bob Filbrun, Edgecombe County Horticulture, Apiculture, Local Foods Initiative & Forestry
Green Thumbs on Wheels
Bob Filbrun
10:10 a.m.
Regional Update: Piedmont
David Goforth
Cabarrus County, Horticulture
Entomology
David Stephan
NC State Plant Disease and Insect Clinic
Insect identification specialist
40 years of experience
Special focus on houseplant pests
Broad mite (Polyphagotarsonemus latus) and cyclamen mite (Phytonemus pallidus)
Spider mites (Tetranychus sp.)
Aphids (Family Aphididae), including the green peach aphid (Myzus persicae)
Greenhouse whitefly (Trialeurodes vaporariorum)
Brown soft scale (Coccus hesperidum)
Hemispherical scale (Saissetia coffeae)
Citrus mealybug (Planococcus citri)
Longtailed mealybug (Pseudococcus longispinus)
Western flower thrips (Frankliniella occidentalis)
Darkwinged fungus gnat (Bradysia sp.)
Images submitted by our audience
Chrysalis of viceroy or red-spotted purple
Noctuid moth caterpillar on Solidago inflorescence
Sulfur butterfly (Colias sp.)
Pyralid moth caterpillar on Monarda leaf
David Stephan
11:35
Current Issues in Plant Pathology Mike Munster
Plant Disease & Insect Clinic
Plant pathologist, diagnostician
commercial ornamentals
(nurseries & greenhouses)
Viruses on woody plants
Cucumber mosaic virus on dwarf nandina
Rose mosaic
Rose rosette
Infectious variegation of camellia (Camellia yellow mottle virus)
Fig mosaic virus(es)?
Not in North Carolina: Plum pox virus
Unsolved mysteries
Galls on Forsythia
Dead branch tips on Cryptome
Mike Munster
Tuesday, April 26th, 2011
10:05 a.m.
Regional Update: Coastal Plains:
Anne Edward
Carteret County
10:10 a.m.
Regional Update: Piedmont
Donna Teasley
Burk County
10:15 a.m.
Regional Update: Mountain/Foothills:
Mark Blevins
Gaston County
Mark Blevins
10:20 a.m.
Featured Speaker:
Peter Hertl
Research Assistant, Entomology
Organic Management of Vertebrate Pests in the Landscape
Current Issues in Entomology
David Stephan
Plant Disease & Insect Clinic
Insect identification specialist
Horsehair worms, a.k.a. Gordian worms, Phylum Nematomorpha
Carpenterworms, including the little carpenterworm (Prionoxystus macmurtrei)
Cankerworms, including the fall cankerworm (Alsophila pometaria)
Caterpillar hunters (beetles)
Calostoma scrutator
Calostoma wilcoxi
Holly pit scale (Asterodiaspis puteanum)
Sooty mold on American holly
Juniper webworm (Dichomeris marginella)
David Stephan
11:45
Current Issues in Plant Pathology Mike Munster
Plant Disease & Insect Clinic
Plant pathologist, diagnostician commercial ornamentals(nurseries and greenhouses)
Special presentation by Shawn Butler on laurel wilt, recently confirmed in North Carolina
Fire blight (Erwinia amylovora)
Shot-hole in Prunus
Bacterial leaf spot (Xanthomonas)
Cherry leaf spot (Blumeriella jaapii – fungus)
Peach leaf curl (Taphrina deformans)
Abiotic leaf spot (possibly Mg deficiency) on pepper transplants
Bacterial leaf spot of pepper and tomato (Xanthomonas spp.)
Comment on news of downy mildew on squash transplants at a Charleston, SC “big box” store
Mike Munster
Tuesday, June 28th, 2011
10:05 a.m.
Regional Update: Coastal Plains:
Charlotte Glen, Pender
10:10 a.m.
Regional Update: Piedmont
Aimee Rankin
Anson County
Aimee Rankin
10:15 a.m.
Regional Update: Mountain/Foothill
Diane Turner
Henderson County
10:20 a.m.
Beneficial Insects &
Organic Pest Management
Featured Speaker:
David Or
Associate Professor, Entomology, Biological Control of Field Crops
Current Issues in Entomology
David Stephan
Plant Disease & Insect Clinic
Insect identification specialist
Eyed Click Beetle or Eyed Elater, Alaus oculatus
Robber Fly, family Asilidae, Laphria sp.
Giant Water Bug, family Belostomatidae, Lethocerus sp.
Diaspidid Scale, Abgrallaspis sp., on Oakleaf Hydrangea
Darkwinged Fungus Gnat, Bradysia picea (Rubsaamen)
Longlegged Fly, family Dolichopodi-dae, Condylostylus sp.
Elderberry Borer, Desmocerus palliatus (Forster)
Buthid Scorpion, Centruroides sp. prob. vitttatus (Say)
Buthid Scorpion, Centruroides hentzi (Banks)
Carolina Wolf Spider, Hogna carolinensis (Walckenaer)
“Brown Prionus,” Orthosoma brunneum (Forster)
European Hornet, Vespa crabro L., damage on Elaeagnus
David Stephan
11:30
Current Issues in Plant Pathology Mike Munster
Plant Disease & Insect Clini
Plant pathologist, Diagnostician
commercial ornamentals
(nurseries and greenhouses)
Dutch elm disease (caused by Ophiostoma ulmi and O. novo-ulmi)
Slime molds
“Dog-vomit slime mold”, Fuligo septica
Physarum cinereum
Stemonitis sp.
The “peat mold”, Chromelosporium ollare (Peziza ostracoderma)
Small pears on rootstock suckers
Two tomato diseases
Septoria leaf spot
Buckeye rot (Phytopthora nicotianae)
Fasciation
Cucurbit diseases
Mike Munster
Tuesday, August 23rd, 2011
10:05 a.m.
Regional Update: Coastal Plains
Cyndi Lauderdale
Wilson County
10:10 a.m.
Regional Update: Piedmont:
Mary Helen Ferguson
Randolph County
10:15 a.m.
Regional Update
Mountain/Foothills:
John Vining, Polk County
10:20 a.m.
Organic Disease Management
for garden vegetables Featured Speaker:
Frank Louws
Professor and Extension Specialist
Plant Pathology
Current Issues in Entomology
David Stephan
NC State Plant Disease & Insect Clinic
Cypress Twig Gall Midge (Taxodiomyia cupressiananassa)
A Rhopalid Bug (Niesthrea louisianica)
Leaffooted Bug (Leptoglossus sp.)
Zebra Swallowtail (Eurytides marcellus)
Squash Beetle (Epilachna borealis)
A Cerambycid Beetle (Physocnemum andreae)
Katydid (Family Tettigoniidae)
multiple bee and wasp species on the invasive porcelainberry (amur peppervine), Ampelopsis
brevipedunculata
a word about spider/magic/hurricane Lilies (Lycoris spp.)
David Stephan
11:30
Current Issues in TurfLee Butler
Plant Disease & Insect Clinic
Turf pathologist, Diagnostician
Fairy ring
Spring dead spot
Lee Butler
11:30
Current Issues in Plant Pathology Mike Munster
Plant Disease & Insect Clinic
Plant pathologist, Diagnostician
Imprellis damage on landscape trees, esp. conifers
Leaf spot comparisons
On English ivy
anthracnose (Colletrichum trichellum)
bacterial leaf spot (Xanthomonas sp.)
On red maple
anthracnose (Discula sp.)
Phyllosticta leaf spot
On bigleaf hydrangea
old drought injury
Cercospora leaf spot
Leaf spots caused by cercosporoid fungi
Cercospora on rose
Pseudocercospora on ligustrum
Passalora sequoiae on Leyland cypress and relatives
Peony problems
Discosia leaf spot
Peony leaf blotch (a.k.a. Measles) caused by Cladosporium paeoniae
Rhizoctonia stem rot
Mike Munster
Tuesday, October 25th, 2011
note, the recording was started 10 minutes early so the first 10 minutes are blank, just move the cursor to the 10 minute mark, in addition the Media box pops up, just move it to the side so you can see the screen)
10:05 a.m.
Regional Update: Piedmont
Mark Danielly, Alamance
10:10 a.m.
Regional Update: Mountain/Foothills
Eric Caldwell, Transylvania
Eric Caldwell
10:15 a.m.
Featured Speaker: Joe Neal
Professor and Extension Specialist, Weeds
Organic Prevention and Management of Weeds in the Landscape
Joe Neal
10:58 a.m.
Show Stopper Plants
Japanese Plum Yew
Mark Blevins, Gaston County
11:00
Current Issues in Entomology
David Stephan
NC State Plant Disease and Insect Clinic
Insect identification specialist
40 years of experience in the Clinic
The Orb Spiders, family Araneidae
White Micrathena (Micrathena mitrata)
Arrowhead Spider (Verrucosa arenata)
Yellow Garden Spider (Argiope aurantia)
Orb Spider (Neoscona hentzi)
Marbled Orb Spider (Araneus marmoreus)
Golden Silk Orb Spider (Nephila clavipes)
Whitebanded Crab Spider (Misumenoides formosipes) TABLE OF CONTENTS FOR PLANTS, PESTS & PATHOGENS NORTH CAROLINA STATE UNIVERSITY
Page 8 of 11
Ant (Formica integra)
Velvet Ant (Dasymutilla occidentalis) – actually a wasp!
Glowworm (Phengodes sp.)
Azalea Caterpillar (Datana major)
Cambarid Crayfish (Cambarus latimanus)
David Stephan
11:30
Current Issues in Plant Pathology Mike Munster
Plant Disease & Insect Clinic
Plant pathologist, Diagnostician
commercial ornamentals
(nurseries and greenhouses) Announcement of new publication: AG-747 Suggested Plant Species for Sites with a History of
Phytophthora Root or Crown Rot
Wood Decay in Trees
General concepts
Some easily recognizable wood decay fungi
Stereum complicatum
Trametes versicolor (turkey-tail)
Ganoderma spp.
Pseudoinonotus dryadeus (the weeping polypore)
Hericium erinaceus (the Hedgehog “mushroom”)
Armillaria root rot (and wood decay)
Papaya ringspot potyvirus causing dramatic ringspots on watermelon fruit