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Ganoderma Butt Rot of Palms
This disease is caused by a fungus that attacks palms. Palm fronds wilt from the bottom turning from dark green to brown. Mushroom growths, called conks, are seen on the lower portion of the trunk.
Ficus Gall Wasp
The ficus gall wasp is a small insect that feeds on the Indian laurel fig, causing deformed foliage and swelling.
Eriophyid Mites
Eriophyid mites are the smallest arthropod pests on plants. Two common eriophyid mites are ash flower gall mite (Eriophyes fraxiniflora) and pine bud mite/needle sheath mite (Trisetacus pini).
Making the Cut: Tree Clearing and Roosting Bats
Tree clearing restrictions are put in place to mitigate further damage to bat colonies, but how can you properly plan your project with these restrictions in mind?
Ganoderma Butt Rot of Urban Trees
Varnish conk, Ganoderma sessile, is a moderately aggressive species of wood decay fungi that attacks hardwoods and deciduous trees
Powdery Mildew (Trees and Shrubs)
Powdery mildews, caused by numerous species of fungi, create a white powdery appearance on landscape plants.
Fast Growing Tree for Privacy: Leyland Cypress
A leyland cypress should be planted in hardiness zones 6-10, and the tree needs at least 6 full hours of sunlight every day. It can grow to a height of 50 to 70 feet and should be planted in fall or spring. The most important thing is to avoid planting this evergreen in the heat of summer.
Updated Tree Inventory Reinforces Chicago, IL Current Urban Forest Needs
DRG completed an i-Tree Eco inventory of 1,600 plots throughout Chicago and surrounding counties for Morton Arboretum in 2020. This inventory project offers an unparalleled look into the state of the regional urban forest.
Environmental Consulting for Utilities
We're experts in natural and cultural resources for the utility industry, offering initial site assessments, environmental permitting, project oversight, restoration efforts, and environmental compliance monitoring.
Columbus, OH Urban Forest Master Plan Prioritizes Preservation Amid City Growth
Davey Resource Group helped the City of Columbus, Ohio develop its first-ever urban forest master plan to accommodate city growth while combating climate change, earning an Ohio APA planning award in the process.
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