BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//wp-events-plugin.com//7.2.3.1//EN
TZID:America/New_York
X-WR-TIMEZONE:America/New_York
BEGIN:VEVENT
UID:11@newtonconservators.org
DTSTART;TZID=America/New_York:20090518T190000
DTEND;TZID=America/New_York:20090518T210000
DTSTAMP:20190202T145711Z
URL:https://newtonconservators.org/events/tree-pests-and-tree-health-woody
 -plant-pests-and-diseases/
SUMMARY:Tree Pests and Tree Health: Woody Plant Pests and Diseases
DESCRIPTION:Julie Coop \nManager of Plant Health\, The Arnold Arboretum\n\n
 To a packed house of tree lovers in the Library's Druker Auditorium\, the 
 Arnold Arboretum's Julie Coop spoke about tree pests.\n\nJulie is the Mana
 ger of Plant Health for the Arnold Arboretum and is a certified arborist. 
 She began her career with Harvard on the grounds crew at Case Estates in W
 eston. She was refreshingly "down to earth\," bringing many samples of tre
 e twigs and pests with her to pass around the audience. She seemed to real
 ly know and love all the trees and samples that she showed us.\n\nShe cove
 red the topics a homeowner would want to know about the pests that we deal
  with here\, how to identify them\, how they are managed at the Arboretum\
 , and what a homeowner can do. Topics included the hemlock wooly adelgid a
 nd the winter moth. These are both introduced insects with no or few local
  predators. She discussed how to manage them and noted that the winter mot
 h\, like the gypsy moth\, will probably be seen in cycles. To protect your
  trees from repeated defoliation\, which can kill the tree\, you may want 
 to have your trees professionally sprayed (timed in April/May just as the 
 caterpillars are emerging\, as they must ingest the chemical). If a tree h
 as been defoliated it will quickly replace its leaves\, and you can nurtur
 e it in other ways such as with mulch (2-4" of low flat mulch not touching
  the trunk and NOT in "mulch volcanoes" around the trunk!) and water if th
 ere is a dry spell\, while you are considering what to do for next year.\n
 \nJulie reviewed many other pests\, some of which are not yet in this regi
 on and others that are more cosmetic than real threats to plant health. Em
 erald ash borers\, willow leaf beetle\, eastern tent caterpillar\, and ant
 hracnose\, the fungal disease often affecting dogwoods\, were discussed.\n
 \nJulie spent the longest and scariest part of the program presenting the 
 Asian Long Horned Beetle\, which in August 2008 was found in Worcester and
  is now thought to have been there for seven to ten years. About 20\,000 t
 rees have been removed from the quarantine area of Worcester. She passed a
 round samples of the beetles\, their egg hole exit holes (when they emerge
  in mid summer)\, and their frass (the "sawdust" they drop from their bori
 ngs)\, all of which are large and very distinctive. The exit holes are per
 fectly round at a half inch diameter and are always horizontal. A pencil i
 nserted is horizontal\, or parallel to the ground. Unfortunately the beetl
 es are hard to spot\, even by professionals\, as their activity is often h
 igh up in the canopy of the tree.\n\nThe one good thing about Asian Long H
 orned Beetle - it does not fly! This explains its slow spread - the beetle
 s crawl from their tree when it becomes overpopulated to the next tree via
  touching leaves and branches. Also there are quite a few species the beet
 le does not like: oak\, all conifers\, lindens\, and beech.\n\nWe must all
  be on the lookout for ALHB. Another lesson is never to transport firewood
  - a prime way that insects are spread. Julie shared that the NASCAR route
 \, with its roving campsites\, is thought to be linked to the spread of in
 sect pests.\n\nThis event was sponsored by the Newton Tree Conservancy\, a
  new non-profit working to raise public awareness of the importance of New
 ton's urban forest and to promote the health of Newton's street trees and 
 park trees. The event was co-sponsored by the Newton Conservators\, the Ar
 nold Arboretum\, and the Newton Free Library (617-796-1360).\n\n- Katherin
 e Howard
ATTACH;FMTTYPE=image/jpeg:https://newtonconservators.org/wp-content/upload
 s/2018/11/lecturespring09juliecoop.jpg
CATEGORIES:Lectures
LOCATION:Newton Free Library\, 330 Homer Street\, Newton Centre\, MA\, Unit
 ed States
GEO:42.3358776;-71.2080211
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=330 Homer Street\, Newton C
 entre\, MA\, United States;X-APPLE-RADIUS=100;X-TITLE=Newton Free Library:
 geo:42.3358776,-71.2080211
END:VEVENT
BEGIN:VTIMEZONE
TZID:America/New_York
X-LIC-LOCATION:America/New_York
BEGIN:DAYLIGHT
DTSTART:20090308T030000
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
TZNAME:EDT
END:DAYLIGHT
END:VTIMEZONE
END:VCALENDAR