NC State Extension

2011

Plants, Pests and Pathogens

Recordings

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

Bob Filbrun

10:10 a.m.

Regional Update: Piedmont
David Goforth
Cabarrus County, Horticulture

David Goforth

David Goforth

10:15 a.m.

Regional Update: Mountain/Foothills
Cliff Ruth, Commercial Horticulture, Henderson & Transylvania Counties
Weed Scouting Class

Cliff Ruth

Cliff Ruth

10:20 a.m.

Featured Speaker:
Hannah Burrack
Assistant Professor of Entomology & Extension Specialist, Tobacco and Small Fruits

Hannah Burrack

Hannah Burrack

10:58 a.m.

Show Stopper Plants
Winter Series Camellias
John Vining, Polk County

John Vining

John Vining

11:00

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

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

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

Mark Blevins

10:20 a.m.

Featured Speaker:
Peter Hertl
Research Assistant, Entomology
Organic Management of Vertebrate Pests in the Landscape

Peter Hertl

Peter Hertl

10:58 a.m.

Show Stopper Plants
Venus Sweetshrub
Mark Blevins
Gaston County

11:00

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

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

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

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

David Orr

David Orr

10:58 a.m.

Show Stopper Plants
Kousa Dogwood
Mark Blevins, Gaston County

11:00

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

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

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

Frank Louws

Frank Louws

10:58 a.m.

Show Stopper Plants
Climbing Hydrangea
John Vining, Polk County

John Vining

John Vining

11:00

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

David Stephan

11:30

Current Issues in TurfLee Butler
Plant Disease & Insect Clinic
Turf pathologist, Diagnostician

 Fairy ring
 Spring dead spot

Lee Butler

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

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

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

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

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

Mike Munster

Mike Munster

Back to Plants, Pests, and Pathogens