Java Lateblight Simulation
Java Lateblight Simulation Fry, W. E.; Milgroom, M. G.; Doster, M. A.; Bruhn, J. A.; Bruck, R. I.; Goldfarb, Joshua; Arneson, Phil
View ArticleC Lateblight Simulation
C Lateblight Simulation Fry, W. E.; Milgroom, M. G.; Doster, M. A.; Bruhn, J. A.; Bruck, R. I.; Ticknor, Barr; Arneson, Phil
View ArticleEuropean Beech “Summit” at Longwood Gardens
European Beech “Summit” at Longwood Gardens Hudler, George European beech issues such as Phytophthora species, ambrosia beetles, bleeding cankers, abiotic stress are reviewed.
View ArticleAn Update on Invasive Adelgids in New York
An Update on Invasive Adelgids in New York Whitmore, Mark The Hemlock Woolly Adelgid, Adelges tsugae (HWA) and Balsam Woolly Adelgid, Adelges piceae (BWA) are originally from Japan and the Caucasian...
View ArticleAsian Longhorned Beetles Continue to Bug Us!
Asian Longhorned Beetles Continue to Bug Us! Goble, Tarryn
View ArticleAmelanchier Ailments
Amelanchier Ailments Dailey O'Brien, Dawn Amelanchiers are in the rose family (Rosaceae) and therefore subject to many of the common insect and disease problems of other ornamentals in that family (ex....
View ArticleBeech Canker Disease Update
Beech Canker Disease Update Hudler, George An update on Dr. George Hudler’s work with bleeding cankers on European beech.
View ArticleUpdates on the Arthropod Invasion
Updates on the Arthropod Invasion Gilrein, Dan An update of some woody ornamental insect pests in New York state. Pest discussed include Southern pine beetle, black stem borer (Xylosandrus germanus),...
View ArticleTreatment of Ash in New York for the Emerald Ash Borer
Treatment of Ash in New York for the Emerald Ash Borer Whitmore, Mark Management of Emerald Ash Borer (EAB) has been evolving at a rapid pace since it was first identified as the cause of widespread...
View ArticleAsian Gypsy Moth Revisited
Asian Gypsy Moth Revisited Dailey O'Brien, Dawn; Hudler, George Asian gypsy moths are closely related to the “normal” European gypsy moth but with a broader host range and much more mobile females. The...
View ArticleBoxwood Blight: New Disease Is On the Move
Boxwood Blight: New Disease Is On the Move Daughtrey, Margery Boxwood blight, caused by the fungus Calonectria pseudonaviculata (also known as Cylindrocladium buxicola or C. pseudonaviculata) was first...
View ArticleBoxed In
Boxed In Gilrein, Dan In addition to serious disease boxwood blight, there are other kinds of usually relatively minor or less serious problems of boxwood including insect, mite, disease and cultural...
View ArticleNew Boxwood Blight
New Boxwood Blight Daughtrey, Margery; Hudler, George A new disease caused by an aggressive introduced fungus, Calonectria pseudonaviculatum (also known as Cylindrocladium buxicola or C....
View ArticleButternut Decline: A Refreshing Ray of Hope
Butternut Decline: A Refreshing Ray of Hope Hudler, George Butternut canker, an apparently exotic disease of uncertain geographic origin, is central to the decline of the species. The causal organism...
View ArticleWhatever Happened to Dogwood Anthracnose?
Whatever Happened to Dogwood Anthracnose? Daughtrey, Margery Dogwood anthracnose today is not causing effects on flowering dogwood as striking as those observed in the 1980s in New York. We continue to...
View ArticleDoggone Insect Pests of Dogwood!
Doggone Insect Pests of Dogwood! Dailey O'Brien, Dawn Three key insect pests of the tree and shrub forms of dogwoods (Cornus sp.) include dogwood borer, the dogwood sawfly and cottony maple leaf scale....
View ArticleAmerican Chestnut: Blight and the Resurrection of a Mighty Giant
American Chestnut: Blight and the Resurrection of a Mighty Giant Kenaley, Shawn The chestnut blight fungus, Cryphonectria parasitica, is a canker pathogen capable of colonizing wounds created by...
View ArticlePlanning for Plant Disease Diagnostics
Planning for Plant Disease Diagnostics Jensen, Sandra; Snover-Clift, Karen A table (applicable to New York State) of when to look for symptoms and when to submit tissue for specific tree diseases...
View ArticleDouglas-Fir Needlecast Management
Douglas-Fir Needlecast Management Eshenaur, Brian Douglas-firs have recently fallen out of favor due to widespread and persistent problems with needlecast diseases which lead to needle discoloration...
View ArticleAn Update on the Emerald Ash Borer in New York: Part 1
An Update on the Emerald Ash Borer in New York: Part 1 Whitmore, Mark The Emerald Ash Borer (EAB), Agrilus planipennis, is quickly developing into the most significant forest pest to hit New York since...
View ArticleExotic Threats: Oak Splendor Beetle & Siberian Silk Moth
Exotic Threats: Oak Splendor Beetle & Siberian Silk Moth McCarthy, Rachel This article highlights two pests on USDA’s watch list-Oak Splendor Beetle (Agrilus biguttatus), a borer that could prove...
View ArticleCommon Euonymus Pest Problems
Common Euonymus Pest Problems Dailey O'Brien, Dawn In some areas, the overuse of Euonymus species has resulted in mono-cultures of plants highly susceptible to attack by opportunistic insects or...
View ArticleUpdate on Emerald Ash Borer and Hemlock Woolly Adelgid in New York
Update on Emerald Ash Borer and Hemlock Woolly Adelgid in New York Whitmore, Mark The Emerald Ash Borer (EAB) is continuing its march through the New York forests at an ever increasing rate. Treatment...
View ArticleGearing Up for 2017
Gearing Up for 2017 Gilrein, Dan A review of important weather and insect related impacts to the NY state forest in 2016 including gypsy moth, Bruce spanworm, balsam woolly adelgid, southern pine...
View ArticleThe Gall of Those Midges!
The Gall of Those Midges! Dailey O'Brien, Dawn Midges are small fly-like insects in the Cecidomyiidae family of flies (order Diptera) that are likely to be noticed only by the most astute of observers....
View ArticleGypsy Moth? Still Making Headlines
Gypsy Moth? Still Making Headlines Dailey O'Brien, Dawn The purpose of this article was to alert readers to predictions of high gypsy moth populations in parts of the Northeast in 2016 and to watch for...
View ArticleBlack Oak Gall Wasp? A Threat in Southeastern NY & New England
Black Oak Gall Wasp? A Threat in Southeastern NY & New England Gilrein, Dan Black oak trees around Long Island, in parts of Rhode Island, eastern Massachusetts and eastern NJ have been plagued by a...
View ArticleHorsechestnut Leaf Problems
Horsechestnut Leaf Problems Dailey O'Brien, Dawn; Hudler, George Horsechesnut (Aesculus spp.) are threatened by pests and pathogens that are likely to cause premature leaf dieback and abscission...
View ArticleWhat We Can Do To Save New York’s Hemlocks
What We Can Do To Save New York’s Hemlocks Whitmore, Mark Hemlocks in New York are currently threatened by the invasive Hemlock Woolly Adelgid (HWA), Adelges tsugae. Distribution, insecticide...
View ArticleHawthorn Diseases and Insects
Hawthorn Diseases and Insects Dailey O'Brien, Dawn Hawthorns are deciduous trees in the apple family that are often used in the landscape because of their attractive clusters of white or pink spring...
View ArticleThe Hemlock Woolly Adelgid, A Pest We CAN Manage!
The Hemlock Woolly Adelgid, A Pest We CAN Manage! Whitmore, Mark Cold temperatures have been documented as responsible for killing significant numbers of hemlock woolly adelgid (HWA) and have been...
View ArticleLate Summer Pests at the Entomology Diagnostic Lab
Late Summer Pests at the Entomology Diagnostic Lab Gilrein, Dan Discussion of trial results for pesticide treatments of cottony hydrangea scale; skeletonized leaves on trees and shrubs caused by...
View ArticleMatters of Scale: Wax and Azalea Bark Scales
Matters of Scale: Wax and Azalea Bark Scales Gilrein, Dan Wax scale (Ceroplastes ceriferus), also known as Indian wax scale, is a non-native pest established in the southeastern U.S. but now being...
View ArticleA New York State Oak Wilt Project: a few discoveries made and lessons learned
A New York State Oak Wilt Project: a few discoveries made and lessons learned Snover-Clift, Karen This article reviews the work involved in a recently completed Specialty Crop Block Grant project...
View ArticleIs Oak Wilt really a threat to New York State landscapes and forests?
Is Oak Wilt really a threat to New York State landscapes and forests? Snover-Clift, Karen; Rosenthal, Emma An overview of the history of oak wilt in New York; signs and symptoms; and reporting suspect...
View ArticleSpotted Lanternfly (Lycorma delicatula): A new invasive pest in Pennsylvania
Spotted Lanternfly (Lycorma delicatula): A new invasive pest in Pennsylvania Gilrein, Dan In 2014 the Pennsylvania Department of Agriculture received a report of a new pest on trees in Berks County...
View ArticleSudden Oak Death? Time for an update
Sudden Oak Death? Time for an update Hudler, George A review of the history of Sudden Oak Death, caused by Phytophthora ramorum and updates of the disease.
View ArticleProblematic Privets
Problematic Privets Dailey O'Brien, Dawn; Hudler, George Privet (Ligustrum spp.) is widely used as a landscape hedge and for the most part seems to tolerate life in a wide range of sites. However,...
View ArticleNew Ornamental Pear Rust in the Neighborhood
New Ornamental Pear Rust in the Neighborhood Daughtrey, Margery; Hudler, George One feature that has been in the Callery pear tree’s favor is its relative resistance (immunity?) to insects and...
View ArticleOyster-Shaped Scales
Oyster-Shaped Scales Dailey O'Brien, Dawn Some of the more common oyster-shaped scales insects seen in the New York region include Oystershell Scale (Lepidosaphes ulmi), Euonymus Scale (Unaspis...
View ArticleRhododendron Problems: More Than Just Phytophthora
Rhododendron Problems: More Than Just Phytophthora Mills, Jody Although Phytophthora can be devastating to rhododendrons there are a variety of other problems that are actually more common.Cultural and...
View ArticleViburnum Pests
Viburnum Pests Dailey O'Brien, Dawn Common insect pests of viburnums include the black bean aphid (Aphis fabae) and the snowball aphid (Neoceruraphis viburnicola), Viburnum Leaf Beetle (Pyrrhalta...
View ArticleWhat is Making My Spruce Tree Drop its Needles?
What is Making My Spruce Tree Drop its Needles? Dailey O'Brien, Dawn Spruce trees are susceptible to a variety of needle diseases that cause their needles to shed which can severely affect their...
View ArticleWasted Woodchips? What To Do?
Wasted Woodchips? What To Do? Hudler, George One big question that overshadows any efforts to use chips as mulch is whether or not those chips?-?if from a diseased tree?-?pose any threat to the health...
View ArticleConsumer ‘Extended Weed Control’ Products: Nothing is Foolproof!
Consumer ‘Extended Weed Control’ Products: Nothing is Foolproof! Senesac, Andy The study evaluated four ready-to-use products available to homeowners that offer postemergence weed control and...
View ArticleTAPP (Traditional Agriculture and Plant Pathology) citation database
TAPP (Traditional Agriculture and Plant Pathology) citation database Thurston, H. David The TAPP (Traditional Agriculture and Plant Pathology) citation database was compiled over two decades by Dr. H....
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