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Search results for termid:"roots" (46 object Results)
Research crew operating a hydropneumatic elutriation root washing system in laboratory
Photographic imageResearch crew operating a hydropneumatic elutriation root washing system in laboratory

1990s

Kohout, John

Collaborative researchers from Northern Illinois University and Arboretum staff study root-system-nutrient interrelationships
Photographic imageCollaborative researchers from Northern Illinois University and Arboretum staff study root-system-nutrient interrelationships

1982 – 1983

Kohout, John

Root profiles of sugar maples comparing roots in competition with grass and in naturally mulched areas
Photographic imageRoot profiles of sugar maples comparing roots in competition with grass and in naturally mulched areas

1988

Root system development
Photographic imageRoot system development

1980s

Soil core sample on left, roots revealed after washing
Photographic imageSoil core sample on left, roots revealed after washing

1980s

Roots research, tree stump with roots
Photographic imageRoots research, tree stump with roots

1988

Gary Watson and research volunteers washing roots
Photographic imageGary Watson and research volunteers washing roots

Vials with root samples after washing
Photographic imageVials with root samples after washing

March 21 – June 20 1987

Kohout, John

Gary Watson (on tractor) and Mike Spravka in Round Meadow gathering soil samples to study roots of white oaks in amended soils, Giddings Rig
Photographic imageGary Watson (on tractor) and Mike Spravka in Round Meadow gathering soil samples to study roots of white oaks in amended soils, Giddings Rig

Dr. Gary Watson working in lab
Photographic imageDr. Gary Watson working in lab

1980s

Nicole Cavender and Murphy Westwood looking at tree roots in France
Photographic imageNicole Cavender and Murphy Westwood looking at tree roots in France

April 27 2014

The Morton Arboretum

Populus deltoides (eastern cottonwood), rooting
Photographic imagePopulus deltoides (eastern cottonwood), rooting

August 1973

Acer platanoides (Norway maple), trunk
Photographic imageAcer platanoides (Norway maple), trunk

April 1969

Crowley Jr., Webster R.

Acer saccharum (Sugar Maple), roots
Photographic imageAcer saccharum (Sugar Maple), roots

June 4 2008

Hedborn Jr., Edward A.

Acer saccharum (Sugar Maple), roots
Photographic imageAcer saccharum (Sugar Maple), roots

June 4 2008

Hedborn Jr., Edward A.

Chamaecyparis obtusa (Hinoki-cypress), roots
Photographic imageChamaecyparis obtusa (Hinoki-cypress), roots

March 25 2009

Hedborn Jr., Edward A.

Chamaecyparis obtusa (Hinoki-cypress), roots
Photographic imageChamaecyparis obtusa (Hinoki-cypress), roots

March 25 2009

Hedborn Jr., Edward A.

Pinus resinosa (Red Pine), root
Photographic imagePinus resinosa (Red Pine), root

May 1968

Duerr, J.

Pinus strobus (Eastern White Pine), roots
Photographic imagePinus strobus (Eastern White Pine), roots

June 26 2014

Hedborn Jr., Edward A.

Alliaria petiolata (Garlic-mustard), root
Photographic imageAlliaria petiolata (Garlic-mustard), root

May 17 2008

Brown, Deborah J.G.

The Root Structure of Trees Illustration
DrawingThe Root Structure of Trees Illustration

January 28 2020

Bradley, Pat

Types of Roots Illustration
DrawingTypes of Roots Illustration

January 28 2020

Bradley, Pat

Ellisia nyctelea (Aunt Lucy), roots
Photographic imageEllisia nyctelea (Aunt Lucy), roots

May 9 2015

Brown, Deborah J.G.

Armillaria root rot (Armillaria) on Quercus rubra L. (northern red oak)
SpecimenArmillaria root rot (Armillaria) on Quercus rubra L. (northern red oak)

October 13 1995

Jacobs, Karel

Armillaria root rot
SpecimenArmillaria root rot

Toxicodendron radicans (Poison-ivy), aerial rootlets
Photographic imageToxicodendron radicans (Poison-ivy), aerial rootlets

March 10 2007

Hedborn Jr., Edward A.

Toxicodendron radicans (Poison-ivy), aerial, rootlets
Photographic imageToxicodendron radicans (Poison-ivy), aerial, rootlets

October 17 2009

Hedborn Jr., Edward A.

A volunteer cleaning soil off sugar maple roots at the conclusion of a greenhouse experiment
Photographic imageA volunteer cleaning soil off sugar maple roots at the conclusion of a greenhouse experiment

Midgley, Meghan G.

A pawpaw root and flower
Photographic imageA pawpaw root and flower

Midgley, Meghan G.

Marvin Lo collecting black locust root images from a minirhizotron tube
Photographic imageMarvin Lo collecting black locust root images from a minirhizotron tube

Midgley, Meghan G.

DocumentRoot Injury and Tree Health

Document1994/04/21: Gary Watson to the IAA Video Committee; George Ware CC

April 21 1994

DocumentProposal for Illinois Arbor Association's "Tree Care" Video

May 3 1994

AVID Productions

DocumentVideo Budget Estimate for Illinois Arborist Association Video: The Tree Care Companion

May 3 1994

DocumentDraft Script for Tree Care Companion Video

May 25 1994

DocumentDraft of Tree Care Handbook - Root Injury and Tree Health

January 25 1994

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