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NC State Extension

2012

Plants, Pests & Pathogens

Recordings

Tuesday, February 28, 2012:

Recording: Audio

10:00 a.m.

NCSU Web-based Tools

Lucy Bradley

Lucy Bradley

10:15 a.m.

Featured Speaker:

Larry Grand

Mushrooms and other macrofungi

Dr. Grand is part of a multidisciplinary team assessing fungal biodiversity in North Carolina state parks and the Great Smoky Mountains National Park.

Larry Grand

Larry Grand

10:58 a.m.

2012 Show Stopper Plants

11:00

Current Issues in Entomology
David Stephan
Plant Disease & Insect Clinic
Insect identification specialist

  • Demystifying Scientific Names
  • Insects and other arthropods
  • Eastern gray squirrel (Sciurus carolinensis)
  • Angular/Broad winged katydid (Microcentrum sp.)
  • Vegetable weevil (Listroderes difficilis)
  • Arthropod pests on boxwood
  • Boxwood mite, Eurytetranychus buxi
  • Boxwood psyllid, Cacopsylla buxi
  • Boxwood lLeafminer, Monarthropalpus flavus
  • Boxwood scale insects
  • Cottony cushion scale, Icerya purchasi (Maskell)
  • Wax scales, Ceroplastes sp.
  • Lace bugs
  • Azalea lace bug (Stephanitis pyrioides)
  • Hawthorn lace bug (Corythucha cydoniae)
  • Green Fruitworms and Climbing Cutworms

David Stephan

David Stephan

11:35

Current Issues in Plant Pathology
Mike Munster

Plant Disease & Insect Clinic
Plant pathologist, diagnostician
commercial ornamentals
(nurseries & greenhouses)

  • A Box Blight Primer
  • Update on Emerald Ash Borer and Laurel Wilt
  • Botrytis blight on pansy in the landscape
  • White mold (Sclerotinia sclerotiorum) on collards, snapdragon, and more
  • Two camellia diseases
  • Camellia petal blight (Ciborinia camelliae)
  • Infectious variegation of camellia (Camellia yellow mottle virus?)

Mike Munster

Mike Munster

Tuesday, April 24th, 2012:

10:05 a.m.

Regional Update Coastal Plains:

Cypress Weevil,

Eudociminus mannerheimii,

Danny Lauderdale

Danny Lauderdale

Danny Lauderdale

10:10 a.m.

Regional Update Piedmont:

Blossum End Rot in Container Gardens

Mary Helen Ferguson

Mary Helen Ferguson

Mary Helen Ferguson

10:20 a.m.

Featured Speaker:

Dr. Brian Jackson

Plant Identification

Brian Jackson

Brian Jackson

10:58 a.m.

2012 Show Stopper Plants

Mark Blevins

Chinese FringeTreeChionanthus retusus
11:00

Current Issues in Entomology

David Stephan

Plant Disease & Insect Clinic

Kudzu bugs,Termites, Carpenter Ants, Blister Beetle, Linyphiidae Spider, Luna Moth and more

 Bean Plataspid/Kudzu Bug (Megacopta cribraria)
 Eastern Subterranean Termite (Reticuliter-mes flavipes)
 Ants vs. Termites
 Carpenter ants (Camponotus spp.), with emphasis on the black carpenter ant
 “Bowl and Doily” Spider (Frontinella communis)
 A blister beetle (Meloidae, Lytta sp.)
 Luna Moth (Actias luna)

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)

  • Flower pot parasol mushroom (Leucocoprinus birnbaumii)
  • Abiotic problems
  • Uneven leaf-out of red maples
  • Frost injury
  • Sunscald
  • Hydrophobic soil and high soluble salts
  • Hollyhock rust
  • Septoria leaf spot on Rudbeckia
  • Leaf spots on Japanese maple
  • Rose downy mildew
  • Powdery mildews on various hosts
  • Watch for in May & June
  • In the vegetable garden (Tomato spotted wilt virus, Septoria leaf spot (tomato), Southern blight*, Southern bacterial wilt*, root knot*) *=wilt diseases
  • In trees, shrubs, flowers (Rose rosette, quince rust on ornamental pear, oak leaf blister)
  • Keeping an eye on late blight (usablight.org)

Mike Munster

Mike Munster

Tuesday, June 26th, 2012:

10:05 a.m.

BlackBoard Collaborate

10:20 a.m.

Featured Speaker:

Dr. Carl Crozier

Urban Soils

 

Carl Crozier

Carl Crozier

10:58 a.m.

2012 Show Stopper Plants

11:00

Current Issues in Entomology

David Stephan

Plant Disease & Insect Clinic

Insect identification specialist

40 years of experience in the clinic

  • Eastern Hercules beetle (Dynastes tityus)
  • Saltmarsh caterpillar (Estigmene acrea)
  • Orchard spider (Leucage venusta)
  • Scarab Beetle (Polyphylla occidentalis)
  • An eriophyid mite (Eriophyes caulis) causing an erineum gall on the petiole of black walnut
  • Tobacco budworm (Heliothis virescens) resting on unidentified stink bug eggs
  • Sawflies, with emphasis on the redheaded pine sawfly (Neodiprion lecontei)
  • Cottonwood leaf beetle (Chrysomela scripta)
  • Cicada killer (Sphecius speciosus)

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)

  • Crown and root problems of liriope, including Fusarium and Phytophthora
  • Downy mildew of impatiens (Plasmopara obducens)
  • Phytophthora aerial blight of Madagascar periwinkle (annual vinca) and petunia
  • Some diseases of grape
  • downy mildew (Plasmopara viticola)
  • powdery mildew (Erysiphe (Uncinula) necator)
  • black rot (Guignardia bidwellii)
  • Pierce’s disease (Xylella fastidiosa)
  • herbicide injury

Mike Munster

Mike Munster

Tuesday, August 28th, 2012:

10:05 a.m.

Regional Update

Coastal Plains: Tom Glasgow

Tom Glasgow

Tom Glasgow

10:10 a.m.

Regional Update

Piedmont:

Paul McKenzie

Paul McKenzie

Paul McKenzie

10:20 a.m.

Featured Speaker:

Joe Neal

Weed ID

Joe Neal

Joe Neal

10:58 a.m.

2012 Show Stopper Plants

11:00

Current Issues in Entomology

David Stephan

NC State Plant Disease & Insect Clinic

  • Rose rosette
  • Armillaria root rot on shrubs and trees
  • The Good, the Bad, and the Ugly of Images
  • Sooty mold
  • Cherry leaf spot
  • Watermelon fruit blotch
  • Watch for in September and October

David Stephan

David Stephan

11:30

Current Issues in Plant Pathology

Mike Munster

Plant Disease & Insect Clinic

Plant pathologist, Diagnostician

  • A cerambycid beetle, Physocnemum andreae
  • Stinging caterpillars
  • Saddleback Caterpillar, Acharia (formerly Sibine) stimulea
  • Hag Moth, Phobetron pithecium
  • Stinging Rose Caterpillar, Parasa indetermina
  • Skiff Caterpillar, Prolimacodes badia – NOT A STINGING CATERPILLAR
  • Spiny Oak Slug, Euclea delphinii
  • Puss Caterpillar, Megalopyge opercularis
  • A longhorned beetle, Parandra brunnea
  • Lesser Canna Leafroller, Geshna cannalis
  • Amber Snails, family Succineidae
  • Unidentified crayfish burrows
  • European hornet, Vespa crabro, collecting bark from a

Mike Munster

Mike Munster

Tuesday, October 23rd, 2012:

10:05 a.m.

Regional Update

Coastal Plains:

10:10

Regional Update

Piedmont:

Brenda Larson, Lee County

10:15 a.m.

Regional Update

Mountain/Foothills:

Colleen Church, Davie County

Colleen Church

Colleen Church

10:20 a.m.

Featured Speaker:

Dr. Nancy Creamer

Local Food Security

Nancy Creamer

Nancy Creamer

10:58 a.m.

2012 Show Stopper Plants

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

  • Pileated Woodpecker, Dryocopus pileatus, damage to wood
  • Organpipe Mud Dauber Wasp, Trypargilum politum
  • Stephan’s Scale of Household Pests (as opposed to household nuisances)
  • 10 = termites
  • 9 = bed bugs
  • 8 = carpenter ants, powderpost beetles
  • 7 = cockroaches
  • 6 = carpet beetles, clothes moths
  • 5 = fleas
  • 4 = household ants
  • 3 = flour, grain, and meal beetles and moths
  • 2 = household spiders, silverfish, booklice
  • 1 = springtails, darkwinged fungus gnats
  • Elm Sawfly, Cimbex Americana
  • Walkingsticks
  • Two-striped Walkingstick, Anisomorpha buprestoides
  • Walkingstick, Diapheromera femorata
  • Cecropia Moth, Hyalophora cecropia
  • Gall Midge, Taxodiomyia sp. on baldcypress

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)

General: nuisance fungi

  • Woody ornamentals: box blight, Phytophthora root rot
  • Flower beds: black root rot, Sclerotinia stem rot, gray mold (Botrytis)
  • Cruciferous vegetables: black rot, white spot of turnip, Sclerotinia stem rot

Mike Munster

Mike Munster

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