Skip to main content

NC State Extension

2009

en Español

El inglés es el idioma de control de esta página. En la medida en que haya algún conflicto entre la traducción al inglés y la traducción, el inglés prevalece.

Al hacer clic en el enlace de traducción se activa un servicio de traducción gratuito para convertir la página al español. Al igual que con cualquier traducción por Internet, la conversión no es sensible al contexto y puede que no traduzca el texto en su significado original. NC State Extension no garantiza la exactitud del texto traducido. Por favor, tenga en cuenta que algunas aplicaciones y/o servicios pueden no funcionar como se espera cuando se traducen.

English is the controlling language of this page. To the extent there is any conflict between the English text and the translation, English controls.

Clicking on the translation link activates a free translation service to convert the page to Spanish. As with any Internet translation, the conversion is not context-sensitive and may not translate the text to its original meaning. NC State Extension does not guarantee the accuracy of the translated text. Please note that some applications and/or services may not function as expected when translated.

Collapse ▲

Plants, Pests and Pathogens

Recordings

Tuesday, May 12th, 2009

—–Technical Support: John_Dorner@ncsu.edu
—–Host: Lucy Bradley
—–Featured Speaker on Urban Tree Entomology: – Steve Bambara
—–Entomology –David Stephan

  • Some common spring scales
  • Galls
  • Eriophyid mite galls
  • Midge galls
  • Wasp galls
  • Millipede (live on web cam)

—–Plant Pathology – Mike Munster

  • How to take a good tree sample
  • Normal leaf drop of magnolia and holly
  • Abiotic problems
  • Cold injury
  • Mechanical damage
  • High pH / iron chlorosis
  • Anthracnose (Colletotrichum) on liriope
  • Oakleaf blister (Taphrina)
  • Exobasidium leaf gall of camellia, rhododendron
  • Seiridium canker on Leyland cypress
  • Dog vomit slime mold (Fuligo septica)
  • Lacebug injury on azalea

Tuesday, June 9th, 2009

—–Technical Support: Leigh Jay Hicks leighjay_hicks@ncsu.edu
—–Host: Steve Bambara
—-Regional Updates
———-NE Coastal/Plains Agents: Katy Shook
———-SE Coastal/Plains Agents: David Barkley
———-Piedmont Agent: Darrell Blackwelder

—-Featured Speakers on RAIN GARDENSDr. Helen Kraus and Dr. Anne Spafford

—–Entomology –David Stephan

  • Carrot beetle (Bothynus (Ligyrus) gibbosus)
  • True bugs
  • A predatory stink bug (Euthyrhynchus floridanus)
  • Leaf-footed bug (Leptoglossus sp.)
  • Stink bug (Euschistus sp.)
  • Townsend scale (Abgrallaspis townsendi)
  • Snail fecal material
  • True flies
  • Migrating darkwinged fungus gnat larvae (Bradysia sp.)
  • Warble/bot fly (Cutereba buccata)
  • European earwig (Forficula auricularia)

—–Plant Pathology – Mike Munster

  • Powdery mildews
  • Daylily leaf streak (Aureobasidium microstictum)
  • Armillaria (mushroom) root rot
  • Southern blight (Sclerotium rolfsii)
  • Comparison of southern blight and southern bacterial wilt
  • Tomato spotted wilt virus on tomato
  • Glyphosate injury on tomato
  • Root-knot nematodes
  • Downy mildew of cucurbits (Pseudoperonospora cubensis)

Tuesday, July 14th, 2009

—-Technical Support: Leigh Jay Hicks leighjay_hicks@ncsu.edu
—–Host: Lucy Bradley
—–Regional Updates
———-Coastal/Plains Agent: Anne Edwards
———-Mountains/Foothills Agent: Diane Turner
———-Weed Issues in NE: Tom Campbell and Steve Bambara

—-Featured Speaker on ORGANIC GARDENING: Steve Moore

—–Entomology –David Stephan

  • Mystery photo (cicada tympanum)
  • One of the fishing spiders (Dolomedes sp., probably tenebrosus)
  • Ticks
  • Lone star tick (Amblyomma americanum)
  • American dog tick (Dermacentor variabilis)
  • Squash bug (Anasa tristis)
  • One of the annual cicadas (Tibicen sp.)
  • Scale insects
  • Pyriform scale (Protopulvinaria pyriformis)
  • Pine needle scale (Chionaspis pinifoliae)
  • Beetles
  • Striped cucumber beetle (Acalymma vittatum)
  • Whitefringed beetle (Graphognathus sp.)
  • Mottled tortoise beetle (Deloyala guttata)
  • Parasitoid wasp pupae, probably Eulophidae
  • Miscellaneous leaftier caterpillars on hardwoods
  • Damage to white oak by unidentified spider mite

—–Plant Pathology – Mike Munster

  • Leaf spot on Loropetalum caused by Pseudocercospora
  • Entomosporium leaf spot on Indian hawthorn
  • Botryosphaeria canker on redbud
  • Two rusts on hemlock
  • Hemlock-hydrangea rust (Thekopsora hydrangea)
  • Hemlock twig rust (Melampsora farlowii)
  • Phytoplasma diseases
  • Confirmations and suspicions on crape myrtle
  • Aster yellows on marigold, carrot, coneflower
  • Hydrangea showing virescence
  • Others
  • Suspected herbicide injury on crape myrtle
  • Foliar nematodes (Aphelenchoides spp.)
  • Tomato woes
  • Southern bacterial wilt (Ralstonia solanacearum)
  • Keep a watch out for late blight (Phytophthora infestans)
  • Root-knot nematode
  • Septoria leaf spot
  • Early blight (Alternaria)

Tuesday, August 11th, 2009

—–Technical Support: Leigh Jay Hicks, leighjay_hicks@ncsu.edu, 919-513-8147
—–Host: Lucy Bradley
—–Regional Updates
———-Mountains/Foothills Agent: Donna Teasley
—–Featured Speaker on PERMACULTURE : Will Hooker
—–Entomology –David Stephan

  • Greenhouse thrips (Heliothrips haemorrhoidalis)
  • Elongate hemlock scale (Fiorinia externa) and hemlock woolly adelgid (Adelges tsugae)
  • Beetles
  • Cottonwood leaf beetle (Chrysomela scripta)
  • Green June beetle (Cotinis nitida)
  • Caterpillars
  • Viceroy butterfly (Limenitis archippus)
  • Big cranberry spanworm, a.k.a. purplish-borwn looper (Eutrapela clemataria)
  • Wasps
  • Paper wasp (Polistes sp.)
  • Black and yellow mud dauber (Sceliphron caementarium)
  • One of the potter wasps (Monobia quadridens)

—–Plant Pathology – Mike Munster

  • Late blight confirmed in Henderson Co.
  • Anthracnose diseases
  • — on English ivy caused by Colletotrichum trichellum
  • — on lima bean caused by Colletotrichum lindemuthianum
  • Black rot of crucifers (Xanthomonas campestris pv. campestris)
  • Wetwood and Slime Flux of hardwood trees
  • Bacterial leaf scorch (Xylella fastidiosa) of oaks, sycamore, grape, and oleander
  • Algal leaf spot (Cephaleuros sp.)
  • Nuicance fungi in mulch (dog vomit slime mold; birds’ nest fungi; artillery fungus)
  • J-rooting and weed-trimmer damage

Back to Plants, Pests, and Pathogens