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October 25, 2014
Environment Corner

 

Integrated Pest Management

2013 Integrated Pest Management Compliance Report
Integrated Pest Management Presentation(PowerPoint)

If you have any questions or would like more information Integrated Pest Management policy and practices in the Village of Hinsdale, please contact:

Ralph Nikischer
Pest Management Coordinator
(630) 789-7042
rnikischer@villageofhinsdale.org


Six Step Natural Lawn Care Plan

Whether you've managed your lawn organically for years or are just getting started, follow this step-by-step plan to get the best-looking, healthiest lawn you've ever had.
To read the Six Steps click here.


Emerald Ash Borer

(This photo is from http://www.forestpests.org/acrobat/eab.pdf)

Exactly one month after state officials announced the first emerald ash borer (Agrilus planipennis) infestation in Illinois, officials revealed the pest has been found in Wilmette, a suburb north of Chicago. Also, Wilmette village foresters have found 16 trees in a five-block area with symptoms of emerald ash borer (EAB) infestation. On June 13, 2006 the Illinois Department of Agriculture (IDOA) announced that a beetle found in the yard of a Kane County home east of Lily Lake was EAB. The Morton Arboretum was out in front as an advocate for developing prevention and readiness plans to prepare for the inevitable.

Officials believe the borer arrived in Illinois on ash firewood transported from a quarantined area in Michigan. Firewood transport is the primary means of introducing pests into new geographic areas. EAB threatens to destroy one-fifth of all Chicago-area trees, which are ash, and could destroy the 130-million ash trees in Illinois. For more information, please go to The Morton Arboretum - Emerald Ash Borer Section or go to The Morton Arboretum website.

On February 22, 2011, the Illinois Department of Agriculture (IDOA) confirmed an infestation of Emerald Ash Borer (EAB) in Hinsdale. EAB is a small, metallic green beetle native to Asia. Since EAB was discovered in Michigan in 2002, more than 20 million ash trees have been lost. The Village of Hinsdale has an estimated 15,500 trees on public property. Read more of this article as well as an open letter about the Emerald Ash Borer. Click for the Village Presentation on the Emerald Ash Borer.




Hinsdale's Forestry Program

The Village of Hinsdale is continually updating its forestry program. The goal is to establish and maintain a safe, healthy, energy efficient and aesthetically attractive community forest, using cost effective and professional management techniques.

The forestry program is apart of the Department of Public Services. Its objective is to manage healthy, suitable and vigorous trees on parkways and Village properties, and provide current information and expertise to homeowners regarding both public and private property trees.

To read more about the Village's Forestry Program.


Coyotes

There have been reports of coyotes in forested sites around Hinsdale. According to the DuPage County Forest Preserve (DCFP), there is no need to be frightened. There has been no reported incidents of coyotes biting a human. However, residents should avoid making food sources available to these or other unwanted animal visitors. Keep pet food and watering dishes inside. Keep garbage cans indoors or secure. Do not allow spillage to accumulate around bird feeders. For further information check the DCFP website at www.dupageforest.com/conservationist/fall05/page08.pdf.


MULCH - NOT JUST FOR LOOKS

CHAMPAIGN, IL (May 3, 2006) - Many homeowners choose to mulch because they enjoy the well-cared-for look it gives their landscape. But, they may not realize they are also providing many benefits for their trees. With mulch the result can be a better growing environment for trees and their roots.
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Homeowners should be aware that, generally, the root system of a tree spreads out not down. "The roots of most trees extend out a significant distance from the trunk. Most of the fine absorbing roots of trees are located within inches of the soil surface," says Jim Skiera, Executive Director of the International Society of Arboriculture. These shallow roots are essential for taking up water and minerals for trees, and they require oxygen to survive. A thin layer of mulch, spread widely, can provide a healthier environment where these roots grow.

Mulch Benefits
Properly applied mulch provides many benefits to the health of a tree.

Unlike trees growing in a forested environment, urban trees are not typically planted in an optimal environment for root growth and mineral uptake. Typically, urban environments are harsher with poor soil conditions and large fluctuations in moisture and temperature. Applying mulch can help reduce the stress of such conditions through these benefits:
  • Helping to maintain soil moisture with less evaporation
  • Reducing the number of weeds
  • Providing insulation by keeping soil cooler in the summer and warmer in the winter
  • Protecting from damage caused by lawn equipment such as weed-eaters and lawn mowers
  • Improving soil fertility, aeration, and drainage
Organic or Inorganic
Mulches are either organic or inorganic material mixtures that are placed over the soil surface around the base of a tree. Mixtures consisting of various types of stone, rock, pulverized rubber, and other materials are labeled as inorganic. Because these types of mixtures do not decompose, they need replenishing less often. However, this also means they do not improve soil structure, provide nutrients, or add organic materials to the soil. Inorganic mulches do still provide other benefits such as insulation, and protection.

Organic mulches consist of wood chips, pine needles, bark, leaves, and other products derived from plants. These mulches decompose, thus are very beneficial in improving soil quality by replenishing nutrients. They do however require more maintenance because decomposition creates the need to replenish more often.


Read more about Mulch and Woodchips here.

Mulching Do's and Don'ts
In order for mulch to be beneficial, it must be applied correctly. "All things in moderation should be a homeowner's mulching motto," says Skiera. "As beneficial as mulch is, too much can be harmful in more ways than one." Too much mulch can create excess moisture that may lead to root rot. Other problems created by over mulching include insect and disease problems, weed growth, sour smelling planting beds, and chewing rodents.

To ensure the health of your trees and plants, follow these practical mulching tips to landscape like the pros:
  • Thin is better. Apply a 2 to 4-inch layer of mulch unless a drainage problems exist then a thinner layer is recommended. Do not add mulch if there is already a sufficient layer. Instead, rake the old mulch to break up any matted layers and refresh the appearance.
  • No volcano mulching. Avoid placing mulch against the tree trunks. If mulch is already piled against the stems or tree trunks, pull it back several inches so that the base of the trunk and the root crown are exposed.
  • Mulch Wide. Mulch out to the tree's drip line or beyond if possible.
The International Society of Arboriculture (ISA), headquartered in Champaign, Ill., is a nonprofit organization supporting tree care research and education around the world. As part of ISA's dedication to the care and preservation of shade and ornamental trees, it offers the only internationally-recognized certification program in the industry. For more information and to find a local ISA Certified Arborist, visit www.treesaregood.com.

Read more about Mulching Techniques here.

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SIX WINTER CHORES FOR HEALTHIER SPRING TREES

Champaign, IL (January 16, 2006) - The tree-filled landscapes of winter can be mistakenly thought to be asleep. Wintering trees are not sleeping; they are simply still - counting the days until spring. Only then will it be apparent whether the tree has saved enough resources to respond to the new season of growth.

Winter is a difficult time for trees which must stand alone against all circumstances that the season can generate. Trees have some internal methods of protection. Most of the growing points in the tree are protected inside jackets called buds, and food reserves are carefully conserved for the coming needs of spring. Also water continues to move through the tree until it freezes. However, these protective stages may breed other problems. For example, creatures needing a meal may chew and nibble on the resting buds and twigs.

What can you do to help your valuable trees? A few things can help a tree be more efficient and effective in surviving the winter and thriving in spring.
These small winter investments can pay off in a large way, yielding healthy and structurally sound trees.

The "Critical Six" things to do for your tree this winter are:

  • Add a thin layer of composted organic mulch to blanket the soil surface.
    Mulch protects and conserves tree resources and recycles valuable materials.
  • Properly wrap new trees that have not developed a corky bark and could easily be damaged. Mechanical injury from the environment, including chewing and rubbing by animals, must be prevented.
  • Remove or correct clearly visible structural faults and deadwood. Try to make small pruning cuts that minimize the exposure of the central heartwood core on branches.
  • Perform limited greenwood pruning of declining and poorly placed branches.
    Pruning should conserve as many living branches as possible, with only a few selective cuts.
  • Fertilize with elements needed in small quantities. Essential elements added over a mulch layer will help provide a healthy soil environment for root growth.
  • Water where soils and trees are cool but not frozen, and where there has been little precipitation. Winter droughts need treatment with waters the same as summer droughts. However, it is easy to over water in winter, so be careful.

Invest in great trees by helping them over a difficult time. For trees, wonderful springs come from well-tended winters. Seek assistance from ISA Certified Arborists <http://www.isa-arbor.com> for the life of your trees!

The International Society of Arboriculture (ISA), headquartered in Champaign, Ill., is a nonprofit organization supporting tree care research and education around the world. As part of ISA's dedication to the care and preservation of shade and ornamental trees, it offers the only internationally-recognized certification program in the industry. For more information and to find a local ISA Certified Arborist, visit www.treesaregood.com.


INFORMATION ON WHAT TO DO WITH YOUR TREES

Here are some articles on what to do with your trees:

Tree Planting

Tree Pruning

Tree and Stump Removal

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Updated: Friday, October 24, 2014 12:38