The Morton Arb

Articles in category: PHC Reports Archive

• 2005 Plant Health Care Reports

  04-08-2005 - Issue 1 Arborvitae Leafminer, Bagworms, Gypsy Moth Egg Masses, Twig Galls on Desert False Indigo, Dothistroma Needle Blight, Seasonal Needle Drop, Voles.Featured Article: "Some (not-so-serious) Woody Plant Problems", by Webster R....

• 2004 Plant Health Care Reports

  04-09-2004 - Issue 1 Gypsy Moth Eggs, Rust Mites on Hemlock, Pine Bark Adelgids, Larch Casebearers, Zimmerman Pine Moth, Bagworm Eggs, Hemlock Needleminer Damage.Featured article: "Winter weather and plant problems", by Karel Jacobs, Ph.D. Plant...

• 2002 Plant Health Care Reports

  04-04-2002 - Issue 1 Gypsy moth egg masses,  Bagworms, Dothistroma needle blightFeatured article: "So what are degree days and why do we care about them anyways?", by Donna Danielson. M.S. 04-11-2002 - Issue 2 European pine sawfly, Sap flow...

• 2011 Plant Health Care Reports

  Published in diseases, insects
  4-08-11 - Issue 1 Bagworms, Hemlock needle miner, Wooly alder aphid, Arborvitae leafminer, Winter damage, salt damage. Featured article: "What are degree days and why do we care about them anyways?", by Donna Danielson, M.S. 4-22-11 - Issue...

• 2010 Plant Health Care Reports

  Published in insects, diseases
  4-03-2010 - Issue 1 Bagworms, Gypsy moth egg masses, Juniper webworm, Brown rot of stone fruit, Dothistroma needle blight, Vole, Rabbit, Deer, Winter and Salt Damage.Feature article: "So what are degree days and why do we care about them anyway?",...

• 2009 Plant Health Care Reports

  Published in insects, diseases
  4-03-09 - Issue 1 Bagworms, Gypsy moth egg masses, European pine sawfly eggs, Pine Bark adelgid, Hemlock needleminer, Witches' broom of hackberry, Dothistroma needle blight, Oak wilt advisory, Vole, Rabbit, Deer, Winter and Salt Damage. 4-17-09 -...

• 2003 Plant Health Care Reports

  Published in insects, diseases
  4-04-03 - Issue 1 Hemlock needleminer damage, leaf crumpler, Rust mites on hemlock, bagworm eggs, Spring sap flow or wetwood?, Winter Injury.  Feature article: Emerald Ash Borer. By: Donna Danielson, M.S.  4-11-03 - Issue 2 Linden twig...

• 2006 Plant Health Care Reports

  Published in diseases, insects
  4-14-06 - Issue 1 Bagworm on Juniper, Gypsy Moth Egg Masses, Hemlock Needleminer, Hemlock Rust Mite, Larch Casebearer, Pine Bark Adelgid, Rose Stem Girdler, Zimmerman Pine Moth, Dothistroma, Rhizosphaera. 4-28-06 - Issue 2 Elm Bark Beetle,...

• 2001 Plant Health Care Reports

  Published in diseases, insects
  4-13-2001 - Issue 1 Winter weather, European pine sawfly, Gypsy moth egg masses, Juniper Webworm, Dothistroma needle blight Feature article: "So what are degree days and why do we care about them anyway?" by Donna Danielson 4-20-2001 - Issue...

• 2000 Plant Health Care Reports

  Published in insect sightings, phenological indicators, tree disease
  3-30-2000 - Issue 1 Hemlock rust mites, Larch casebearers, Arborvitae leafminers, European pine sawfly eggs, Cedar-apple rust and Cedar-hawthorn rust, and Black knot Feature article: "So what are degree days and why do we care about them anyway?"...

• 1999 Plant Health Care Reports

  Published in tree disease, phenological indicators, insect sightings
  5-28-1999 - Issue 1 Ascochyta blight on lilac, Maple Anthracnose, Alder leafminer, Cooley’s Spruce Gall Adelgid, European pine sawfly larvae, Cedar-hawthorn rust on hawthorns, Nipple gall, Lilac/ash borers, Willow twig canker, Peachtree borer,...

• Plant Health Care Report August 26, 2011 (Issue 2011.17)

  Published in Index, Prevention, Review, Illinois, Chicago, Lisle, flower blighting on Silphium, Septoria leaf spot on hydrangea, lily-of-the-valley anthracnose, black walnut petiole gall, Oak bullet gall, Cynipid wasp gall, spider mites
  August 26,...

• Plant Health Care Report August 12, 2011 (Issue 2011.16)

  Published in bacterial leaf scorch testing, sycamore tussock moth caterpillar, goldenrod leaf gall midge, goldenrod ball gall, European fruit lecanium scale on locust and lem, fall webworm, sycamore lace bug, wool sower leaf gall on pin oak, Mycosphaerella leaf spot, cedar quince on hawthorn fruit, Melapsora rust, Alternaria rot on tomato fruit, Phytophthora infestans on tomato fruit, Choanephora cucurbitarum on zucchini, Cercospora leaf spot on zinnia, potential virus on kohlrabi, Illinois, Lisle, Chicago, Department of Natural Resources Forest Health and
  August 12,...

• Plant Health Care Report July 29, 2011 (Issue 2011.15)

  Published in Gypsy moth, mourning cloak butterfly, Phomopsis tip blight, Douglas fir, Pythium tip blight, volutella, Boxwood
  July 29,...

• Plant Health Care Report July 22, 2011 (Issue 2011.14)

  Published in Illinois, Lisle, Chicago, remontant flower, stinkhorns, Septoria leaf spot, thyronectria canker, cedar hawthorn rust on fruit, honeysuckle aphid, two spotted spider mite
  July 22,...

• Plant Health Care Report July 15, 2011 (issue 2011.13)

  Published in red milkweed beetle, elm leaf miner, pipevine swallowtail caterpillar, earwig, annual cicada, bagworm, Rhododendron, black vine weevil, Illinois, Lisle, Chicago, dog vomit slime mold, remontanent flowers, Fuligo septic, Dutch elm disease, hackberry mosaic virus, mosaic virus, measles on peony, dog day cicada
  July 15,...

• Plant Health Care Report July 8, 2011 (Issue 2011.12)

  Published in Chicago, Illinois, tomato, TMV, tobacco mosaic virus, Lisle, cynipid galls, cypress twig gall, spiny witch hazel aphid, abiotic leaf scorch, bacterial leaf scorch, sooty mold, Chlorosis, pine tube moth
  July 8,...

• Plant Health Care Report July 1, 2011 (Issue 2011.11)

  Published in Japanese beetles, Linden looper, Columbine leafminer, Lecanium scale, Jumping oak gall, imported willow leaf beetle, Slugs, frogeye leaf spot, Guignardia leaf blotch, Rose rust, Chicago, Lisle, Illinois
  July 1,...

• Plant Health Care Report June 24, 2011 (Issue 2011.10)

  Published in Illinois, Lisle, Chicago, Laetoporus sulphureus, chicken of the woods, Powdery mildew, Phomopsis tip blight, ash flower gall, Linden looper, thrips
  June 24,...

• Plant Health Care Report June 17, 2011 (Issue 2011.09)

  Published in seasonal needle drop of Chamecyparis, Maple anthracnose, downy leaf spot, Chicago, Lisle, Illinois, birch leafminer, oak leaf roller, viburnum crown borer, dogwood sawfly, tarnished plant bug, membracid nymph, sumac flea beetle, Pine false webworm, Hackberry nipple gall, roseslug sawfly, four-lined plant bug, vein pocket gall, cedar rust leaf spots on rosaceous hosts
  June 17,...

• Plant Health Care Report June 10, 2011 (Issue 2011.08)

  Published in honeylocust plant bug, Spruce needleminer, imported currant worm, ash-lilac borer, holly leafminer, Emerald Ash Borer, Ash anthracnose, Oak anthracnose, oak chlorosis, frost damage, Chicago, Lisle, Illinois
    June 10,...

• Plant Health Care Report June 3, 2011 (Issue 2011.07)

  Published in Chicago, Illinois, Lisle, hydrangea bud gall, Phyllorexa gall, Aesculus leafminer, Alder leafminer, Calico scale, bristly roseslug sawfly, Spittle bug, Oystershell scale, filbert blight, Powdery mildew, buckthorn rust, oak leaf blister, oak leaf tatters
  June 3,...

• May 27, 2011 Issues 2011.06

  Published in Hemlock rust mites, honeylocust podgall midge, galls, Maple bladder gall, Spindle gall on linden, Erineum gall on Linden, Oak apple gall, Spring and fall cankerworms, European pine sawfly, Euonymus webworm, Fusarium meristemoides, Cedar apple and hawthorn rusts, Illinois, Chicago, Lisle
   May 27, 2011...

• Plant Health Care Report, May 20, 2011 (Issue 2011.05)

  Published in weather, Aphids, Apiognomonia veneta, sycamore anthracnose, Venturia inaequalis, Apple Scab, peach leaf curl, Taphrina deformans, Dibotryon morbosum, Rose, Black Knot, Chicago, Illinois, The Morton Arboretum
  May 20,...

• Plant Health Care Report, May 13, 2011 (Issue 2011.04)

  Published in The Morton Arboretum, Illinois, Chicago, tuliptree scale, boxwood psyllid, Elm leafminer, European elm flea weevil, phomopsis gall on forsythia, Rhizosphaeria needle cast on spruce
  May 13, 2010 Issue 2011.04   Our report includes up-to-date disease and insect pest and abiotic problem information for northeastern Illinois. You'll also find a table of accumulated growing degree days throughout...

• Plant Health Care Report - Issue 2011.03 (May 6, 2011)

  May 6, 2011                                                           Issue 2011.03Our...

• Plant Health Care Report - Issue 2011.02 (April 22, 2011)

  Published in Hemlock needle miner, Zimmerman pine moth, Eastern tent caterpillar, The Morton Arboretum, Chicago, Illinois, Cornus mas, Cornelian-cherry dogwood, Dothistroma tip blight on pine, Diplodia (Sphaeropsis) tip blight on pine
  This issue of the Plant Health Care Report features information on insects and diseases including:eastern tent caterpillar, Zimmerman pine moth, hemlock needle miner, Diplodia (Sphaeropsis) tip blight on pine, Dothistroma tip blight on pine, The...

• April 8, 2011

  Published in Woolly alder aphid, Arborvitae leafminer, BAGWORMS, emerald ash borer in Illinois, Hemlock needle miner, Plant Health, plant health care, salt damage, winter damage
  This issue contains details on many items including: bagworms, hemlock needle miner, woolly alder aphid, arborvitae leafminer, winter damage, salt damage, and emerald ash borer in Illinois   Indicator plant: Diane Hybrid Witch-Hazel...

• August 28, 2010

  Published in fall webworm, sycamore lacebug, Volutella stem and leaf blight, Oak Wilt, 2010 weather summary
  This issue contains details on many items including: fall webworm, sycamore lacebug, Volutella stem and leaf blight, oak wilt, 2010 weather summaryWoody of the Week: Hardy kiwi (Actinida kolomikta)Article: An ounce of prevention in the autumnClick...

• August 13, 2010

  Published in American hornbeam (Carpinus caroliniana), phytoplasma, cytospora canker, ash flower gall, peach tree borer, milkweed tussock moth, imported willow leaf beetle, black vine weevil damage, yellow-necked caterpillars, red milkweed beetle, annual cicada
  This issue contains details on many items including: annual cicada, red milkweed beetle, yellow-necked caterpillars, black vine weevil damage, imported willow leaf beetle, milkweed tussock moth, peach tree borer, ash flower gall, cytospora canker,...

• July 30, 2010

  Published in dodder, leaf blotch on linden, Melampsora rust, tar spot, walnut anthracnose, sycamore tussock moth caterpillars, birch catkin feeders, Zimmerman pine moth update, pipevine swallowtail caterpillar, Aesculus twig pruner
  This issue contains details on many items including Aesculus twig pruner, pipevine swallowtail caterpillar, Zimmerman pine moth update, birch catkin feeders, sycamore tussock moth caterpillars, walnut anthracnose, tar spot, Melampsora rust, leaf...

• July 16, 2010

  Published in Azalea bark scale, Two-spotted spider mite, Solitary oak leafminer, Jumping oak gall, Leafcutter bee, Lily of the valley anthracnose, Septoria leaf spot, Kalm St. John’s Wort (Hypericum kalmianum)
  This issue contains details on many items including: Azalea bark scale, two-spotted spider mite, solitary oak leafminer, jumping oak gall, leafcutter bee, lily of the valley anthracnose, Septoria leaf spotWoody of the week: Kalm St. John's Wort...

• July 9, 2010

  Published in Botrytis cinerea (grey mold), Common trumpt creeper (Campsis radicans), Botryosphaeria canker, Pseudocercospora fuliginoa, sooty mold, nectria canker, wooly larch adelgids, Gypsy moth update
  This issue contains details on many items including gypsy moth update, wooly larch adelgids, nectria canker, sooty mold, Pseudocercospora fuliginoa, and Botryosphaeria cankerWoody of the week: Common trumpt creeper (Campsis radicans)Fungus of the...

• July 2, 2010

  Published in Daldinia concentrica, Common persimmon (Diospyros virginiana), Black Knot, rust on mayapple, pine needle rust on goldenrod, measles on peony, Phyllosticta leaf spot, leafminers on maple, magnolia scale
  This issue includes details on many items including: Magnolia scale, leafminers on maple, Phyllosticta leaf spot, measles on peony, pine needle rust on goldenrod, rust on mayapple, and black knotWoody of the Week: Common persimmon (Diospyros...

• June 25, 2010

  Published in Coral fungi (Family Clavariaceae), Nikko Maple (Acer maximowiczianum formerly A. niko, remontant flowers, Brown rot of stone fruit-update, diplodia tip blight, Guignardia leaf blotch, Rose rust, thyronectria canker, hedgehog gall, Gypsy moth update, Japanese beetle, Rose curculio
  This issue contains details on many items including Rose curculio, Japanese beetle, Gypsy moth update,  Hedgehog gall, Thyronectria Canker, Rose rust, Guignardia leaf blotch, Diplodia Tip Blight, Brown rot of stone fruit-update, Remontant...

• June 18, 2010

  Published in Mutinus caninus, Cercospora leaf spot, hollyhock rust, mosaic virus on katsura, black spot of elm, mountain-ash sawfly, Cynipid wasp gall, half-wing caterpillar feeding damage, gouty vein gall
  This issue contains details on many items including: gouty vein gall, half-wing caterpillar feeding damage, Cynipid wasp gall, mountain-ash sawfly, black spot of elm, mosaic virus on katsura, hollyhock rust, Cercospora leaf spot.Fungus of the Week:...

• June 11, 2010

  Published in Magnolia virginiana, Fuligo septic, cedar hawthorn rust on hawthorn, cedar quince rust on crabappke, Powdery mildew, Rose midge, white-marked tussock moth, sumac leaf beetle, Pear slug sawfly, larch sawfly, pine needle scale crawlers, earwigs, spiny elm caterpillar
  This issue contains details on mnay items including: spiny elm caterpillar, earwigs, pine needle scale crawlers, larch sawfly, pear slug sawfly, sumac leaf beetle, white-marked tussock moth, rose midge, powdery mildew, cedar quince rust on...

• June 4, 2010

  Published in Chlorosis, downy leaf spot, Pine false webworm, spindle gall, Oak bullet gall, cottony maple scale, ailanthus webworm, Hawthorn leafminer
  This issue contains details on many items including: hawthorn leafminer, Ailanthus webworm, cottony maple scale, oak bullet gall, froghoppers, pine bark adelgid, spindle gall, pine false webworm, oak leafroller, downy leaf spot, chlorosis, and...

• May 28, 2010

  Published in Cornus alternifolia, Pagoda dogwood, Xylaria polymorpha, frogeye leafspot, Apple Scab, sycamore anthracnose, spiny witch-hazel aphid on river birch, bristly rose slug sawfly, holly leafminer European alder leafminer, vibernum crown borer, Azalea sawfly, Linden looper
  This issue contains details on many items including: Linden looper, azalea sawfly, vibernum crown borer, holly leafminer European alder leafminer, bristly rose slug sawfly, spiny witch-hazel aphid on river birch, sycamore anthracnose, apple scab,...

• May 21, 2010

  Published in phomopsis gall on forsythia, peach leaf curl, Emerald Ash Borer, Dutch elm disease, Daylily leaf streak, Ash/lilac borer, Kolkwitzia amabilis, Polyporus squamosus, Imported canker worm, Phylloxera gall, Hackberry nipple gall, Terrapin scale, Calico scale
  This issues contains details on many items including: early emerald ash borer, ash/lilac borer, hackberry nipple gall, Phylloxera gall, imported currant worm, calico scale, terrapin scale, daylily leaf streak, Dutch elm disease, Phomopsis gall on...

• May 14, 2010

  Published in tar spot of maple, Spruce spider mite, Slugs, Leafroller on hawthorn, galls, four-lined plant bug, Fletcher scale, Elm bark beetle, Cedar-quince rust, Cedar-hawthorn rust on hawthorn, cedar-apple rust, Cankerworms, yellow morel, frost damage
  This issue contains details on many items including: Fletcher scale, spruce spider mite, elm bark beetle, four-lined plant bug, spring and fall cankerworms, galls, slugs, leafroller, un-identified rose caterpillar, cedar rust telial horns, tarspot...

• May 7, 2010

  Published in Spittle bug, Hemlock needle miner, Wooly alder aphid, Euopean fruit Lecanium scale, Erineum gall, Bronze birch borer, oak leaf blister, peach leaf curl, Powdery mildew, Phomopsis tip blight, Rose rosette disease, Black spot on rose, Oak anthracnose, Maple anthracnose, Schizophyllum commune, Elm leafminer, Euonymus webworm, European pine sawfly
  This issue contains details on many items including: euonymus webworm, European pine sawfly, elm leafminer, spittle bug, hemlock needle miner, wooly alder aphid, Euopean fruit Lecanium scale, erineum gall, bronze birch borer, oak leaf blister, peach...

• April 30, 2010 Plant Health Care Report

  Published in Pestalotiopsis blight, Oak apple gall, Larch casebearer, Honey Locust Plant Bug, Gypsy Moth, elm flea, Crown rust on buckthorn, Cedar-quince rust, boxwod psyllid, Ash plant bug, Ash anthracnose, Lichen
  This issue contains details on many items including: European elm flea weevil, oak apple gall, maple bladder gall, larch casebarer, ash plant bug, boxwood psyllids, honeylocust plant bug, gypsy moth, crown rust of buckthorn, cedar quince rust,...

• April 16, 2010 Plant Health Care Report

  Published in Euonymus scale, Eastern tent caterpillar, rust mite, needleminer, Verticillium Wilt, rusts, Cryptodiaporthe canker
  This issue includes: euonymus scale on daphne, eastern tent caterpillar on cotoneaster, hemlock rust mite, spruce needleminer, Verticillium wilt on magnolia, cedar apple and hawthorn rusts, Cryptodiaporthe canker on dogwood, management and fungus of...

• April 2, 2010 Plant Health Care Report

  Published in Juniper webworm, salt damage, winter damage, deer, rabbit, vole, dothistroma, gypsy moths, BAGWORMS, brown rot
  This issue includes information on many items including: Bagworms, Gypsy moth egg masses, Juniper webworm, Brown rot of stone fruit, Dothistroma needle blight, Vole, Rabbit, Deer, Winter, and Salt damage.  The feature article is So what are...

• August 28, 2009 Plant Health Care Report

  Published in yellow-necked caterpillars, stinkhorns, soldier beetle, smooth patch, phomopsis on Douglas fir, Pestalotiopsis blight, milkweed tussock moth, Emerald Ash Borer, common ragweed, bullseye leaf spot, An Ounce of Prevention in the Autumn, butternut canker
  This issue contains details on:emerald ash borer, yellow-necked caterpillar, milkweed tussock moth, soldier beetle, Phomopsis on Douglas fir, butternut canker, Pestalotiopsis blight, bullseye leaf spot, smooth patch, stinkhorns,common ragweed,An...

• August 14, 2009 Plant Health Care Report

  Published in sycamore tussock moth, milkweed bugs, fall webworm, honeysuckle aphids, Stigmina on spruce, bluegrass rust, linden leaf spot, tar spot of maple, Melampsora rust, Botrytis, dog vomit slime mold, dodder, teasel, construction damage
  This issue contains details on:sycamore tussock moth, milkweed bugs, fall webworm, honeysuckle aphids, Stigmina on spruce, bluegrass rust, linden leaf spot, tar spot of maple, Melampsora rust, Botrytis, dog vomit slime mold, dodder,teasel, Taking...

• July 31, 2009 Plant Health Care Report

  Published in cicadas, galls on fragrant sumac, hummingbird clearwing moth, measles on peony, thyronectria canker, lily-of-the-valley anthracnose, Septoria leaf spot on dogwood, leaf drop due to dry weather, new education brochure, birds-foot trefoil
  This issue contains details on: dog day cicadas, galls on fragrant sumac, hummingbird clearwing moth, measles on peony, thyronectria canker, lily-of-the-valley anthracnose, Septoria leaf spot on dogwood, leaf drop due to dry weather, new education...

• July 24, 2009 Plant Health Care Report

  Published in gypsy moth adults, peach tree adults, two-spotted spider mites, scarlet oak awflies, solitary oak leafminers, Lopidea staphyleae, phomopsis tip blight on juniper, phomopsis gall on forsythia, yellowwood anthracnose, basal rot, monarda rust, herbicide damage, new disease book, purslane
  This issue contains details on the following: gypsy moth adults, peach tree borers, two-spotted spider mites, scarlet oak sawflies, solitary oak leafminers, Lopidea staphyleae, Phomopsis tip blight on juniper, Phomopsis gall on forsythia, yellowwood...

• July 17, 2009 Plant Health Care Report

  Published in cypress twig galls, two-marked tree hoppers, boxwood mites, boxwood leafminer damage, volutella leaf and stem blight, purple eye leaf spot, goldenrod rust, remontant flowers, pokeweed
  This issue contains details about: cypress twig galls, two-marked tree hoppers, boxwood mites, boxwood leafminer damage, volutella leaf and stem blight on boxwood, purple eye leaf spot, goldenrod rust, remontant flowers, pokeweed (Phytolacca...

• July 10, 2009 Plant Health Care Report

  Published in common lamb's-quarters, mayapple rust, Botryosphaeria canker, sumac leaf beetle, red milkweed beetle, Europoean elm scale, ailanthus webworm, twig girdler, oblique-banded leafroller, Tilia lacebug
  This issue contains details on:Tilia lacebug, oblique-banded leafroller, twig girdler and pruner, ailanthus webworm, European elm scale, red milkweed beetle, sumac leaf beetle, Botryosphaeria canker, mayapple rust, and common...

• July 4, 2009 Plant Health Care Report

  Published in poison ivy, viburnum leaf beetle, guignardia, azalea gall, honeysuckle blight, redbud leaffolder, leafhoppers, cottony maple scale, earwigs, magnolia scale, Japanese beetles
  This issue contains details on items including: Japanese beetles, magnolia scale, earwigs, cottony maple scale, leafhoppers, redbud leaffolder, honeysuckle blight, azalea gall, Guignardia, Sightings elsewhere: Viburnum leaf beetle, poison...

• June 26, 2009 Plant Health Care Report

  Published in BAGWORMS, viburnum crown borer, pear leaf blister mite, hedgehog gall, six-spotted tiger beetle, fireflies, Dutch elm disease, Oak Wilt, diplodia tip blight, Chlorosis, wild carrot, pennycress
  This issue contains details on many items including: bagworms, viburnum crown borer, pear leaf blister mite, hedgehog gall, six-spotted tiger beetle, fireflies, Dutch elm disease, oak wilt, Diplodia tip blight, chlorosis, wild carrot,...

• June 19,2009 Plant Health Care Report

  Published in Black Vine Weevil, Curly dock, Field bindweed, Septoria leaf spot, Island chlorosis, Rose rust, Spot anthracnose, Oak bullet gall, Pine false webworm, Aesculus leafminer, Woolly larch adelgid, Rose midge
  This issue contains details on many items including:Black vine weevil damageRose midgeWoolly larch adelgidAesculus leafminerPine false webwormRose rustIsland chlorosisSeptoria leaf spotField bindweedCurly dockDownload the report to pdf

• June 12,2009 Plant Health Care Report

  Published in Oak shothole leafminer, Balsam twig aphid, Lady bird beetle larva, Erineum patch gall on beech, Powdery mildew, Black spot on rose, Creeping Charlie, Black medic, Currant spanworm, Pear slug sawfly
  This issue contains details on many items including:Currant spanwormPear slug sawflyBalsam twig aphidOak shothole leafminerLady bird beetle larvaErineum patch gall on beechPowdery mildewBlack spot on roseCreeping CharlieBlack medicDownload the...

• June 5, 2009 Plant Health Care Report

  Published in elm flea, Alder leafminer, broadleaf plantain, Yellow woodsorrel, Wetwood, Daylily leaf streak, Phomopsis canker on kerria, Cedar-hawthorn rust on hawthorn, Cedar-quince rust, Hackberry nipple gall, Beech blight aphid, Redbanded leafroller, Oak leaftier, Azalea bark scale, Hawthorn leafminer, Elm leafminer, Ash/lilac borer
  This issue contains details on many items including:Ash/lilac borerAlder leafminerElm leafminerEuropean elm flea weevil updateHawthorn leafminerAzalea bark scaleOak leaftierRedbanded leafrollerBeech blight aphidHackberry nipple gallCedar-quince...

• May 29, 2009 Plant Health Care Report

  Published in four-lined plant bug, boxwod psyllid, ash flower gall, bristly roseslug sawfly, imported willow leaf beetle, Apple Scab, peach leaf curl, oak leaf blister, sycamore anthracnose, frog-eye leaf spot, cedar-apple rust, downy leaf spot
  This report contains four-lined plant bug, boxwod psyllid, ash flower gall, bristly roseslug sawfly, imported willow leaf beetle, apple scab, peach leaf curl, oak leaf blister, sycamore anthracnose, frog-eye leaf spot, cedar-apple rust, and downy...

• May 22, 2009 Plant Health Care Report

  Published in Aphids, Honey Locust Plant Bug, Azalea sawfly, Cankerworm, Euonymus scale, Pine needle scale, Slugs, Columbine leafminer, Oak apple gall, Maple bladder gall, Leafroller on hawthorn, Eriophyid mite gall on prunus, Fire Blight, Rose rosette, Maple anthracnose, Oak anthracnose, Hosta virus X, Crown rust on buckthorn, Garlic mustard, Bull thistle, Apple Scab
  This issue contains details on many items including:Aphids Honey locust plant bug Azalea sawfly Cankerworm Euonymus scalePine needle scaleSlugsColumbine leafminerOak apple gallMaple bladder gallEriophyid mite gall on prunusFire blightRose...

• May 15, 2009 Plant health Care Report

  Published in Elm bark beetle, Euonymus webworm, Ash plant bug, Spruce spider mite, Spiny witch hazel gall aphid, Alder leafminer, Erineum gall on Linden, Spittle bug, Ash anthracnose, Squirrel damage, Corn speedwell, Wild violet, Aphids
  This issue contains details on many items including:Elm bark beetleEuonymus webwormAsh plant bugSpruce spider miteSpiny witch hazel gall aphidAlder leafminerErineum gall on LindenSpittle bugAsh anthracnoseSquirrel damageCorn speedwellWild...

• May 8, 2009 Plant Health Care Report

  Published in elm flea, Gypsy moth, weevil, Juniper webworm, Spruce needleminer, Shepherd’s purse, Henbit, Cedar rusts, Tulip fire
  This issue contains details on many items including: Gypsy mothEuropean elm flea weevilJuniper webwormSpruce needleminerShepherd’s purseHenbitCedar rustsTulip fire Download the May 8, 2009 Report Here- (PDF format)

• May 1, 2009 Plant Health Care Report

  Published in Caterpillars, White clover, Arborvitae leafminer, Dandelion, seasonal needle drop, golden canker, Cryptodiaporthe canker, Oystershell scale, Eastern tent caterpillar, European pine sawfly, Apple Scab, sawfly larvae
  This issue contains details on many items including: Caterpillars and sawfly larvae Eastern tent caterpillar European pine sawfly Arborvitae leafminer Oystershell scale Apple scab Cryptodiaporthe canker (golden canker) Seasonal needle drop...

• April 16, 2009 Plant Health Care Report

  Published in spiny rose gall, Lophodermium, Larch casebaerer, Hemlock rust mite, Cytospora canker of spruce, Aphids, Rhizosphaera, Larch casebearer, Volutella stem and leaf blight, Woolly alder aphid
  This issue contains details on many items including: Hemlock rust miteWoolly alder aphidLarch casebearerSpiny rose gallLophodermiumRhizosphaeraVolutella stem and leaf blightCytospora canker of spruceBlack knot DOWNLOAD THE APRIL 16, 2009 REPORT...

• April 3, 2009 Plant Health Care Report

  Published in witches broom of hackberry, April, deer, dothistroma, gypsy moths, hemlock needleminers, Oak Wilt, PHC, pine bark adelgids, plant health care, rabbits, salt, voles, winter damage, BAGWORMS
    Plant Health Care Report from April 3, 2009. Topics include: rabbits,   Download the report- (PDF)

• 2007 Plant Health Care Reports

  Published in tree disease, phenological indicators, insect sightings
  The Morton Arboretum's Plant Health Care (PHC) reports are posted bi-weekly during April and August and weekly from May through July. Each report summarizes current tree disease and insect sightings for northeastern Illinois. The reports also...

• 2008 Plant Health Care Reports

  Published in phenological indicators, insect sightings, tree disease
  The Morton Arboretum's Plant Health Care (PHC) reports are posted bi-weekly during April and August and weekly from May through July. Each report summarizes current tree disease and insect sightings for northeastern Illinois. The reports also...