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Plant Health Care Report issue 2014-12

The Scouting Report of The Morton Arboretum for July 11, 2014.

Plant_Health_Care_Report_2014_12_2.pdf

 

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What indicator plant is in bloom at the Arboretum?
Bottlebrush buckeye (Aesculus parviflora ) is in full bloom


Accumulated Growing Degree Days at The Morton Arboretum
Accumulated Growing Degree Days (Base 50): 1183 (as of July 10)
Accumulated Growing Degree Days (Base 30): 3141 (as of July 10)


Insects

  • Magnolia scale
  • Oak slug sawfly
  • Galls again!
  • Grape phylloxera
  • Pine bark adelgid


Diseases

  • Rose rosette
  • Rose rust
  • Canker on cherry trees and other species
  • Guignardia leaf blotch on Aesculus