Nursery Crop Extension Research
Nursery Crop Extension Research

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Latest Issue - End of September 2022

September 2022 Nursery Bulletin

ky_nursery_crops_newsletter_bulletin_-_september_2022.pdf

2022 Bulletin Archives


August 2022

  • Growin’ with Dr. Owen: PourThru Method for Nursery Crops
  • Vascular Streak Dieback of Redbud: What Plant Pathologists Know So Far
  • Christmas Trees 101 Webinar Info
  • Save The Date: KY Green Industry Winter Expo Info

https://ncer.ca.uky.edu/file/kynurserycropsnewsletterbulletin-august2022pdf


July 2022

  • Fire Ants Gaining Foothold in State

ky_nursery_crops_newsletter_bulletin_-_july_2022.pdf


June 2022

  • KNLA Summer Summit Recap
  • Heat Safety Tool Now Available
  • Elongate Hemlock Scale on Evergreens

ky_nursery_crops_newsletter_bulletin_-_june_2022.pdf


May 2022

  • So you know you can grow, but have you identified your market yet?
  • Growin’ with Doctor Owen:  PourThru Method for Nursery Crops
  • 2022 KNLA Summer Summit Schedule Posted

ky_nursery_crops_newsletter_bulletin_-_may_2022.pdf


April 2022

  • Hammerhead Worms Slithering into Kentucky
  • 2022 KNLA Summer Summit Registration Open—Schedule Posted

ky_nursery_crops_newsletter_bulletin_-_april_2022.pdf

March 2022

  • Spring has sprung and soon so will pests
  • Planning for weed management in an unpredictable 2022 chemical market
  • Save The Date:  KNLA Presents the 2022 KY Green Industry Conference Summer Summit on June 22-23
  • KHC and UK request Kentucky nursery grower input in needs assessment survey
  • UK Controlled Environment Horticulture has a new website

ky_nursery_crops_newsletter_bulletin_-_march_2022.pdf

February 2022

  • Jar Test: Determining Fertilizer Solubility and Compatibility
  • PourThru Method for Large Containerized Crops
  • KHC and UK Request KY Nursery Grower Input in Needs Assessment Survey

ky_nursery_crops_newsletter_bulletin_-_february_2022.pdf

January 2022

  • New Extension Associate for Nursery Crops Hired
  • Plant Growth Regulator Guide for Herbaceous Perennials Update

ky_nursery_crops_newsletter_bulletin_-_january_2022.pdf

2021 Bulletins


November - December 2021

  • Controlled Environment & Greenhouse Grower Survey
  • KNLA Green Industry Conference

ky_nursery_crops_newsletter_bulletin_-_november-december_2021.pdf


October 2021

  • Landscape Sanitation:  Clean Up for Clean Plants

ky_nursery_crops_newsletter_bulletin_-_october_2021.pdf


September 2021

  • Bacterial Leaf Scorch Can Torch Landscape Trees
  • Fall Oak Pest Symptoms

ky_nursery_crops_newsletter_bulletin_-_september_2021.pdf


August 2021

  • Soil-borne Pathogens Serve as the Biggest Threat to Mum Production in KY
  • Japanese Maple Scale Eggs Ready to Hatch

ky_nursery_crops_newsletter_bulletin_-_august_2021.pdf


July 2021

  • The Dark Side of Black Root Rot in Ornamentals
  • Spotted Lanternfly on our Border

ky_nursery_crops_newsletter_bulletin_-_july_2021.pdf


June 2021

  • Box Tree Moth: A Potential Problem for Boxwoods
  • Amarillia Root Rot: A Threat to Stressed Landscape Trees

ky_nursery_crops_newsletter_bulletin_-_june_2021.pdf


May 2021

  • Anthracnose Diseases on Shade Trees
  • How to Prevent Tick Bites
  • It’s a Farewell, Not a Goodbye

ky_nursery_crops_newsletter_bulletin_-_may_2021.pdf

April 2021

  • Avoid Introduction of Boxwood Blight into the Landscape
  • Mapping Brood X Periodical Cicadas in Kentucky
  • Snow and Cold in April

ky_nursery_crops_newsletter_bulletin_-_april_2021.pdf

March 2021

  • Spring Pre-Emergent Herbicide Applications

ky_nursery_crops_newsletter_bulletin_-_march_2021.pdf

February 2021

  • New KY Cut Flower Virtual Short Course Just Announced!
  • KY MESONET

ky_nursery_crops_newsletter_bulletin_-_february_2021.pdf


January 2021

  • SNA Ceases Operations
  • Out with the Old & In with the New, Let's start of 20201 Stronger!

ky_nursery_crops_newsletter_bulletin_-_january_2021.pdf

2020 Bulletin Archive


December 2020

  • Tree Thief to Holiday Tradition:  The Story of Mistletoe
  • Goodbye to 2020, Hello 2021

ky_nursery_crops_newsletter_bulletin_-_january_2021.pdf


November 2020

  • Three New / Updated Extension Publications for Nursery and Greenhouse Growers
  • KNLA Winter Education Series

ky_nursery_crops_newsletter_bulletin_-_november_2020.pdf


October 2020

  • Tree Wounds:  Inviations to Wood Decay Fungi
  • Working Safely and Staying Healthy

ky_nursery_crops_newsletter_bulletin_-_october_2020.pdf


September 2020

  • Pesticide Formulations:  What Do These Letters Mean?

ky_nursery_crops_newsletter_bulletin_-_september_2020.pdf


August 2020

  • FIFRA: What does the acronym mean?

ky_nursery_crops_newsletter_bulletin_-_august_2020.pdf


July 2020

  • The New Tick in Town
  • Signal Words:  Why Are They on Pesticide Labels

ky_nursery_crops_newsletter_bulletin_-_july_2020.pdf


June 2020

  • Anthracnose Diseases on Shade Trees
  • The Importance of Pesticide Labels
  • Flyer Series for Nursery and Landscape Managers

ky_nursery_crops_newsletter_bulletin_-_june_2020.pdf


May 2020

  • Avoid Introduction of Boxwood Blight into the Landscape
  • Encouragement for 2020

ky_nursery_crops_newsletter_bulletin_-_may_2020.pdf

April 2020

  • The Importance of Sprayer Calibration
  • Using Temperature to Know When Bugs Will Arrive
  • Black Knot of Stone Fruit

ky_nursery_crops_newsletter_bulletin_-_april_2020.pdf

March 2020

  • Last Year's Ornamental Diseases Equal This Year's Disease Risk
  • Managing COVID-19
  • Bark Ambrosia Beetle Alert

ky_nursery_crops_newsletter_bulletin_-_march_2020.pdf

February 2020

  • Kentucky MESONET:  A Free Tool to Monitor Weather Conditions

ky_nursery_crops_newsletter_bulletin_-_february_2020.pdf

Japanese Maple Scale Activity Alert - February 5th, 2020

jms_alert_feb_5-2020.pdf

January 2020

  • Operating Heavy Equipment Safely

ky_nursery_crops_newsletter_bulletin_-_january_2020.pdf


2019 Bulletin Archive

December 2019

  • Tree Thief to Holiday Tradition:  The Story of Mistletoe
  • KNLA Winter Educational Outing & Expo Information

ky_nursery_crops_newsletter_bulletin_-_december_2019.pdf


November 2019

  • Stress and Decline in Woody Plants
  • Working Outside in the Winter Safely

ky_nursery_crops_newsletter_bulletin_-_november_2019.pdf


October 2019

  • Tree Wounds--Invitations to Wood Decay Fungi
  • Landscape Sanitation: Clean Up for Clean Plants
  • Winter Storage of Pesticides

ky_nursery_crops_newsletter_bulletin_-_october_2019.pdf


September 2019

  • Bacterial Leaf Scorch Can Torch Landscape Trees
  • Rhizosphaera Needle Cast May Lead to Skimpy Spruce
  • Reasons to Belong to a Professional Organization

ky_nursery_crops_newsletter_bulletin_-_september_2019.pdf


August 2019

  • Laurel Wilt Disease: A Threat to Kentucky Sassafras Trees
  • Dieback in Landscape Trees -- Could it be Vertillium Wilt
  • Soil Health and Cover Crops

ky_nursery_crops_newsletter_bulletin_-_august_2019.pdf


July 2019

  • Armillaria Root Rot -- A Threat to Stressed Landscape Trees
  • Spruce Dieback -- Needle Cast Diseases May Be To Blame
  • Water Stress in the Nursery

ky_nursery_crops_newsletter_bulletin_-_july_2019.pdf


June 2019

  • Management of Weeds in the Nursery
  • Avoid Introduction of Boxwood Blight into the Landscape
  • Dogwood Anthracnose

ky_nursery_crops_newsletter_bulletin_-_june_2019.pdf


May 2019

  • New Extension Associate for Nursery Crops Hired
  • Japanese Maple Scale in Kentucky Nurseries
  • Anthracnose Diseasese on Shade Trees

ky_nursery_crops_newsletter_bulletin_-_may_2019.pdf


April 2019

  • Last Year's Ornamental Diseases Equal This Year's Disease Risk
  • Free Grower Tool:  Waterborne Solutions

ky_nursery_crops_newsletter_bulletin_-_april_2019.pdf


March 2019

  • WaterQual:  A Free Tool for Evaluating Water Quality
  • Don't Get Burned by Fire Blight, Disease Management Begins Now

ky_nursery_crops_newsletter_bulletin_-_march_2019.pdf


February 2019

  • Tools for Water Management in Specialty Crops
  • Horticulture Marketing Podcast
  • Extension Position Announcement

ky_nursery_crops_newsletter_bulletin_-_february_2019.pdf


January 2019

  • Pesticide Licensure in Kentucky
  • Guide to Online Resources for Nursery Growers

ky_nursery_crops_newsletter_bulletin_-_january_2019.pdf


2018 Bulletin Archive

December 2018

-Tree Thief to Holiday Tradition: The Story of Mistletoe

-KNLA Winter Educational Outing & Expo Reminder and Program

ky_nursery_crops_newsletter_bulletin_-_december_2018.pdf


November 2018

-Preparing Nursery Plants for Winter

-End-Of-Season Irrigation System Checklist 

-Frost and Freezing: A Producer’s Guide

ky_nursery_crops_newsletter_bulletin_-_november_2018_3.pdf


October 2018

-Practicing Proper Pruning

-Landscape Sanitation: Clean Up for Clean Plants 

-Armillaria Root Rot – A Threat to Stressed Landscape Trees

ky_nursery_crops_newsletter_bulletin_-_october_2018.pdf


September 2018

-Tree Wounds — Invitations to Wood Decay Fungi 

-Bacterial Leaf Scorch Can Torch Landscape Trees

-Controlling Fall Webworm

-Container Nursery Fertility Monitoring Demonstration on October 4th

ky_nursery_crops_newsletter_bulletin_-_september_2018.pdf


August 2018

-  Soil-borne Pathogens Serve as the Biggest Threat to Mum Production in KY

ky_nursery_crops_newsletter_bulletin_-_august_2018.pdf


July 2018

-  Boxwood Blight Threatens Kentucky Shrubs

-  Dogwood Powdery Mildew

ky_nursery_crops_newsletter_bulletin_-_july_2018.pdf


June 2018

- Spruce Dieback—Needle Cast Diseases May Be To Blame

- Anthracnose Diseases on Shade Trees

ky_nursery_crops_newsletter_bulletin_-_june_2018.pdf


May 2018

- Spider Mites on Landscape Plants

- Avoid Introduction of Boxwood Blight into the Landscape

- Dogwood Anthracnose

ky_nursery_crops_newsletter_bulletin_-_may_2018.pdf


March 2018

- Don’t Get Burned by Fire Blight, Disease Management Begins Now

- Clearwing Borers Emerge

ky_nursery_crops_newsletter_bulletin_-_march_2018_1.pdf


February 2018

- When Does Spring Start?

- When To Take Down Overwintering Protection

- Ambrosia Beetles Are Out Looking for New Hosts

ky_nursery_crops_newsletter_bulletin_-_february_2018.pdf


January 2018

- Boxwood Blight Quarantine—Tennessee Department of Ag

- Avoid Introduction of Boxwood Blight into Landscapes

ky_nursery_crops_newsletter_bulletin_-_january_2018.pdf


2017 Bulletin Archive


December 2017

- Tree Thief to Holiday Tradition: The Story of Mistletoe

- "Wet Feet" of Ornamentals

ky_nursery_crops_newsletter_bulletin_-_december_2017.pdf


November 2017

- Landscape Sanitation: Clean Up for Clean Plants

- Tree Wounds -- Invitations to Wood Decay Fungi

- Reducing the Risk of Deficient Performance of Bare-root Liners

ky_nursery_crops_newsletter_bulletin_-_november_2017.pdf


October 2017

- Stress and Decline in Woody Plants

- Armillaria Root-Rot--A Threat to Stressed Landscape Trees

ky_nursery_crops_newsletter_bulletin_-_october_2017.pdf


September 2017

- Emerald Ash Borer--2017 Update

- Late-summer Weeds in Container-grown Blueberries

- Soil-borne Pathogens Serve as Biggest Threat to Mum Production

- Bacterial Leaf Scorch can Torch Landscape Trees

ky_nursery_crops_newsletter_bulletin_-_september_2017.pdf


August 2017

- Avoid introduction of boxwood blight into the landscape

- Spider and false spider mites:  mite morphology and damage

ky_nursery_crops_newsletter_bulletin_-_august_2017.pdf


July 2017

- Apple scab picking on Kentucky apple and crabapple

- What to do with our used plant pots?

ky_nursery_crops_newsletter_bulletin_-_july_2017.pdf


June 2017

- Japanese beetles in the urban landscape

- Dogwood anthracnose spotted

- Don't get burned by fire blight, disease management begins now

- Biochar as a component of soilless substrate

ky_nursery_crops_newsletter_bulletin_-_june_2017.pdf


May 2017

- Rhizosphaera needle cast may lead to skimpy spruce

- Spider mites on landscape plants

- Buckeye seed propagation

ky_nursery_crops_newsletter_bulletin_-_may_2017.pdf


April 2017

- Topsoil recovery in field nursery production

- Scouting for Calico scale egg hatch

- Water testing and results

ky_nursery_crops_newsletter_bulletin_-_april_2017.pdf


March 2017

- Fire blight host range and management

- Stresses in bare-root liners from lifting to nursery stock production

- Clearwing borer

ky_nursery_crops_newsletter_bulletin_-_march_2017.pdf


February 2017

- Remember early season pour-through

- Soil moisture sensors to schedule irrigation in container blueberry production

ky_nursery_crops_newsletter_bulletin_-_february_2017.pdf


January 2017

- Ambrosia beetles

- Tree wounds

- Stress and Decline in Woodies

ky_nursery_crops_newsletter_bulletin_-_january_2017.pdf


2016 Bulletin Archive


December 2016

- Spring Training--Kentucky Nursery and Landscape Association Announcement

ky_nursery_crops_newsletter_bulletin_-_december_2016.pdf


November 2016

- How Dry Seasons Affect Woody Plants

- Transplant Shock: Disease or Cultural Problem

- Hardiness and Care of Container Nursery Stocks in Fall and Winter

ky_nursery_crops_newsletter_bulletin_-_november_2016.pdf


October 2016

- Plant Disease Diagnostic Lab: How NOT to submit samples

- Dormant Season Pour-Through

- The real life situation of nutrient extraction and measurement in commercial nursery crops

ky_nursery_crops_newsletter_bulletin_-_october_2016.pdf


September 2016

- Bacterial Leaf Scorch Can Torch Landscape Trees

- Soil-borne Pathogens Serve as the Biggest Threat to Mum Production in KY

- Handling and Storage of Controlled Release Fertilizer

ky_nursery_crops_newsletter_bulletin_-_september_2016.pdf


August 2016

- Cedar-hawthorn Rust

- Interpreting Your Water Test Results

- Leaching Fraction Test to Reduce Irrigation Water Waste in Container Nursery

ky_nursery_crops_newsletter_bulletin_-_august_2016.pdf


July 2016

- Spruce Dieback--Needle Cast Diseases May Be To Blame

- Volutella Blight of Boxwood

- Monitoring Irrigation Alkalinity Levels

- Juvenile Characteristics of Poison Ivy (Toxicodendron radicans) And Other Similar Species

ky_nursery_crops_newsletter_bulletin_-_july_2016.pdf


June 2016

- Fall-colored damage in bald cypress, caused in late spring (Taxodium distichum) caused by rust mites in late spring

- Anthracnose Diseases on Shade Trees

- Summer Management of Ornamental Pear Damaged by Fire Blight

- Dogwood Anthracnose Spotted

ky_nursery_crops_newsletter_bulletin_-_june_2016.pdf


May 2016

- Leaf Distortions on River Birch

- Iron Irrigation Water

- Rainy Season Equals Phytopthora Disease

- The Dark Side of Black Root Rot

- KY Office of State Entomologist Update

ky_nursery_crops_newsletter_bulletin_-_may_2016.pdf


April 2016

- Clearwing Borer
- Fruit Tree Disease Risks

- Ambrosia beetle

 

ky_nursery_crops_newsletter_bulletin_-_april_2016.pdf


March 2016

- Early Season Pour-through

- Fire Blight

- Eastern tent caterpillar eggs hatching in Central KY

ky_nursery_crops_newsletter_bulletin_-_march_2016.pdf


February 2016

- Historic Low Temperatures across Kentucky

ky_nursery_crops_newsletter_bulletin_-_february_2016.pdf


2015 Bulletin Archive


December 2015

- Happy Holidays
- KNLA Spring Training & Showplace

ky_nursery_crops_newsletter_bulletin_-_december_2015.pdf


November 2015

- Fall Soil Testing for Field Production
- Dormant Oil Overview

ky_nursery_crops_newsletter_bulletin_-_november_2015.pdf


October 2015

- Sanitation and Disease Prevention
- Overwintering Overview
   > Common Practices
   > Root Kill Temperatures

ky_nursery_crops_newsletter_bulletin_-_october_2015.pdf


September 2015

- Rhizsphaera needle cast
- Common Diseases of White Pine in Kentucky
- Lace bugs

ky_nursery_crops_newsletter_bulletin_-_september_2015.pdf


August 2015

- Powdery mildew of Dogwood
- Bacterial leaf scorch
- Boxwood blight
- Spider mites

ky_nursery_crops_newsletter_bulletin_-_august2015.pdf


July 2015

- Scale crawlers
- Lacebugs under foliage
- Japanese beetle profile

ky_nursery_crops_newsletter_bulletin_-_july2015.pdf


June 2015

- Verticillium wilt
- Phtopthora root rot
- Black root rot
- Passalora needle blight

ky_nursery_crops_newsletter_bulletin_-_june2015.pdf


May 2015

- Lace Bugs
- Mites
- Periodical Cicadas

ky_nursery_crops_newsletter_bulletin_-_may2015.pdf


April 2015

- Lesser Peachtree Borer
- Bronze Birch Borer
- Flathead Appletree Borer
- Dogwood Borer

ky_nursery_crops_newsletter_bulletin_-_april2015.pdf


March 2015

Insects
    - Eastern tent caterpillar

Diseases
    - Anthracnose
    - Shot-hole leafspot
    - Black spot
    - Downy mildew
    - Rose rosette

ky_nursery_crops_newsletter_bulletin_-_mar2015.pdf


February 2015

Scale Insects
    - Japanese maple scale
    - Fletcher scale
    - Oystershell scale
    - Euonymus scale

ky_nursery_crops_bulletin_-_feb2015.pdf


January 2015

Dormant Season Pest Management
Dormant Season Disease Management

ky_nursery_crops_bulletin_-_jan2015.pdf


2012 Archive


May 24th, 2012

UK Nursery Crops announces the First Mobile App for Landscape Nursery Professionals Developed by a Team of Plant and Pest Experts from Seven Major Universities

kynurserylistserve_120524_ipmpro.pdf


May 21st, 2012

Crawlers of Two Cottony Scale Pests are Now Active

kynurserylistserve_120521_cottonyscales_sarahvanek.pdf


May 18th, 2012

Peachtree Borer Starts to Fly

kynurserylistserve_1205_greaterpeachtreeborer_sarahvanek.pdf


May 9th, 2012

Hard-Hitting Insect Pests Continue Ahead of Schedule

kynurserylistserve_120509_calicoscalebagwormjmaplescale_svanek.pdf


April 23rd, 2012

Roseslugs Have No Shame

kynurserylistserve_120423_roseslug_sarahvanek.pdf


April 9th, 2012

Boxwood Leafminer Adults

kynurserylistserve_120409_boxwoodbirchleafminers_sarahvanek.pdf


April 6th, 2012

Clearwing Borers take Flight

kynurserylistserve_120406_clearwingborertraps_sarahvanek.pdf


March 27th, 2012

Newly Expanded Woody Plants Disease Guide

kynurserylistserve_120327_diseasemgtguide_marchpests_sarahvanek1.pdf


March 16th, 2012

Early Blooms, Early Spring Pests

kynurserylistserve_120316_earlymitesothers_sarahvanek.pdf


March 8th, 2012

Timing Preventive Sprays for Maple Shoot Borer

kynurserylistserve_120308_mapleshootborer_sarahvanek.pdf


2011 Archive


December 18th, 2011

Lean Workshop - Save the Date

kynurserylistserve_111218_savethedate_sarahvanek.pdf


August 29th, 2011

KyFarmStart - Beginning Farmer Program

kynurserylistserve_110829_kyfarmstart_sarahvanek.pdf


August 3rd, 2011

Bacterial Leaf Scorch on Shade Trees

kynurserylistserve_110803_bacterialleafscorch_sarahvanek.pdf


July 28th, 2011

Gregarious Tree-Feeding Caterpillars

kynurserylistserve_110728_gregariouscaterpillars_sarahvanek.pdf


July 22nd, 2011

Second Peachtree Borer Treatment

kynurserylistserve_110722_2ndptb_obscurescale_pinenscale.pdf


July 15th, 2011

Next Week's Heat Wave may Accelerate Mite Problems

kynurserylistserve_110715_mitesgrassbagworms_sarahvanek.pdf


June 29th, 2011

Insect Names Clear as Mud

kynurserylistserve_110629_insectnames_sarahvanek.pdf


June 28th, 2011

Japanese Beetles Take Flight

kynurserylistserve_110628_jb_sarahvanek.pdf


June 22nd, 2011

Pest Calendar Resources

kynurserylistserve_110622_phenology_sarahvanek.pdf


June 20th, 2011

Asian Longhorned Beetle found in Ohio

kynurserylistserve_110620_alb_sarahvanek.pdf


June 15th, 2011

Time for Peachtree Borer Treatment

kynurserylistserve_110615_gptb_sarahvanek.pdf

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