Wisconsin Fruit News:

WFN-Vol. 4, Issue 5 (June 7, 2019)

• Strawberry angular leaf spot
• Grape downy mildew
• Chlorpyrifos update
• Apple thinning update
• Door County Report

WFN-Vol 4, Issue 4 (May 24, 2019)

• Risks and benefits of reducing herbicide rates
• Winter damaged blueberries
• Eastern berry thrips
• Bitter pit management
• Door County Report

WFN–Vol 4, Issue 3 (May 10, 2019)

• • • NEWA new weather monitoring partnership
    • Malusim app released
    • Insect diagnostic lab update
    • Controlling motes in berries
    • Impact of rain on fungicides
    • Blossom thinning

WFN — Vol 4, Issue 2 (April 26, 2019)

• New fact sheets
• Insect diagnostic lab update
• Stocking densities of bees for berry
• Cranberry degree day
• Grape developmental stages
• Flea beetles are here
• Impact of last winter on apple diseases
• Managing San Jose scale in apple
• Pollen tube growth model

WFN — Vol 4, Issue 1 (April 12, 2019)

• NEWA weather stations
• Insect Diagnostic Lab update
• Berry Spring insects
• Cranberry degree day insecticide trials
• Grape Flea Beetle
• Promoting branching apple trees
• Prebloom fertility apple trees
• Dog wood borer mating disruption

WFN — Vol 3, Issue 12 (Sept 21, 2018)

• The end of another season
• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Blueberry pruning
• Cranberry plant and pest degree-days: Sept 19, 2018
• Grape developmental stages: Sept 20th
• Post-harvest tasks in the apple orchard
• Beware: brown marmorated stink bug is on the increase this fall!

WFN — Vol 3, Issue 11 (Sept 7, 2018)

• Congratulations to Anna Maenner!
• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• That’s the way the berry crumbles!
• Cranberry plant and pest degree-days: Sept 5, 2018
• Pheromone loading in cranberry insect lures and trapping data
• Grape variety developmental stages: Sept 6, 2018
• Multicolored Asian lady beetle: a harvest-time grape pest
• Heavy rains at harvest: Berry splitting and fruit quality
• Social wasps showing up in vineyards
• Brown marmorated stink bug and late season apple damage

WFN — Vol 3, Issue 10 (Aug 24, 2018)

• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• High Tunnel Raspberry and Blackberry Guides
• Leaf tissue analysis for berry crops- Now is the time
• Cranberry plant and pest degree-days: Aug 22, 2018
• Grape variety developmental stages: Aug 23, 2018
• Botrytis bunch rot of grapes
• Brown marmorated stink bug in Dane County apple orchards
• Oblique banded leaf roller

WFN — Vol 3, Issue 9 (Aug 10, 2018)

• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Raspberry rust diseases
• Strawberry root health
• Cranberry plant and pest degree-days: Aug 8, 2018
• New cranberry early rot scouting guide available
• UW-Extension Door County vineyard walk on August 13th
• Grape variety developmental stages: Aug 9, 2018
• Grape scouting report: spotted wing drosophia review
• Apple summer diseases
• It is time already to start apple harvest?

WFN — Vol 3, Issue 8 (July 27, 2018)

• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Insecticides for organic berry production
• Cranberry plant and pest degree-days: July 24, 2018
• Rupestris speckle on grape
• Keeping your grape mildews straight!
• Grape variety developmental stages: July 26, 2018
• Grape insect scouting report — are Japanese beetles over the hump?
• Apple field day at Oakwood Fruit Farm
• Mating disruption for management of insect pests in apple

WFN — Vol 3, Issue 7 (July 13, 2018)

• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• White grubs: pests of strawberry roots and foliage
• Cornell’s online diagnostic tool for berry crops
• Cranberry plant and pest degree-days: July 11, 2018
• Tissue analysis to determine nutrient status of cold-hardy wine grapes
• Grape variety developmental stages: July 12, 2018
• Grape insect scouting report — Japanese beetles and phylloxcera are picking up
• High temperatures and mites in apple
• First apple maggot adult emergence reported

WFN — Vol 3, Issue 6 (June 29, 2018)

• Rain and insecticide applications
• New fruit team publications, and updates to website
• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Japanese beetle emergence has begun!
• Cranberry plant and pest degree-days: June 27, 2018
• Post bloom fruit-zone leaf removal: Now is the time!
• A reason to start spraying fungicides early in the season
• Grape variety developmental stages: June 28, 2018
• Grape insect scouting report — Japanese beetles
• Section 24(c) Special Local Needs label for Mustang Maxx
• Return bloom in apples

WFN — Vol 3, Issue 5 (June 15, 2018)

• A new invasive fly – the African fig fly
• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• The African fig fly in Wisconsin in 2017
• Cranberry plant and pest degree-days: June 13, 2018
• Crown gall of grapes
• Recognizing synthetic auxin herbicide injury in grape vines
• Grape variety developmental stages: June 14, 2018
• Codling moth management

WFN — supplemental issue (June 8, 2018)

• First detection of spotted wing drosophila in Wisconsin for 2018
• First reports of Eastern flower thrips in Wisconsin for 2018
• Precision apple thinning part VI: Wrapping up and rescue thinning
• Current carbohydrate models

WFN — Vol 3, Issue 4 (June 1, 2018)

• First brown marmorated stink bug trap-catch of the season
• Worker Protection update and another rule revision on the horizon
• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Organic management of spotted wing drosophila in berry crops
• Cranberry plant and pest degree-days: May 30, 2018
• Grape shoot thinning for crop load adjustment
• What is THAT???
• Grape variety developmental stages: May 31, 2018
• Post-bloom fire blight management
• Precision apple thinning part V: Measuring fruitlets and using the excel spreadsheet

WFN — Apple thinning supplemental (May 25, 2018)

• Precision apple thinning IV: Deciding what, when and how much thinner to apply
• Current carbohydrate model outputs

WFN — Vol 3, Issue 3 (May 18, 2018)

• Is it a brown marmorated stink bug? If you’re wondering, check out these new apps!
• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Tarnished plant bug – a strawberry menace
• Pheromone loading in cranberry insect lures
• Cranberry plant and pest degree-days: May 15, 2018
• Grape variety developmental stages: May 17, 2018
• Killing them softly: Do soft fungicides work on apple diseases?
• Precision apple thinning part II: Running the carbohydrate model

WFN — Apple thinning supplemental (May 11, 2018)

• Precision apple thinning part II: Calculating target crop load
• Current carbohydrate model outputs

WFN — Vol 3, Issue 2 (May 4, 2018)

• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Weed management in established strawberries: can anything be done in spring?
• Cranberry plant and pest degree-days: May 1, 2018
• Crop lead for cold climate hybrid grapevines
• Grape variety developmental stages: May 3, 2018
• Grape insect scouting report: flea beetles out in full force
• First steps in the precision apple thinning process
• Grower interview with Allen Teach of Sunrise Orchards: experience with precision thinning tools

WFN — Vol 3, Issue 1 (April 20, 2018)

• NEWA weather stations update and applications
• Plant Disease Diagnostic Clinic update
• Insect pest forecast for 2018
• Summary of grape disease for the 2017 growing season
• Apple disease — what to expect after a cold winter and delayed spring

WFN — Vol 2 Insect Pest Season Summary (Feb 2, 2018)

• Japanese Beetles – seasonal phenology and spatial distribution in vineyards
• Social wasps in Wisconsin vineyards
• Impact of spotted wing Drosophila on different varieties of tart cherry
• Brown marmorated stink bug in 2017: end-of-season update

WFN — Vol 2, Issue 13 (Oct 6, 2017)

• Last issue this season — thanks for reading!
• Fruit insect report
• Plant Disease Diagnostic Clinic update
• Fall treatment for Phytophthora root rot of raspberry
• Post-harvest management in the vineyard
• Wine and table grape developmental stages
• Brown marmorated stink bug update / late-season apple damage

WFN — Vol 2, Issue 12 (Sept 15, 2017)

• Nearing the end of the 2017 season
• Plant Disease Diagnostic Clinic update
• Organic insecticides for spotted wing drosophila control
• Wine and table grape developmental stages
• Peach leaf curl and plum pockets
• Apple maturity index report

WFN — Vol 2, Issue 11 (Sept 1, 2017)

• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Picnic/sap beetles
• Spotted wing drosophila update
• Cranberry degree-day map and update
• Wine and table grape developmental stages
• Silver leaf of apple
• Reduced risk insecticide: Venerate
• Apple maturity index report
• Armillaria root rot on tree fruits

WFN — Vol 2, Issue 10 (Aug 18, 2017)

• Insect Diagnostic Lab update
• Plant Disease Diagnostic Clinic update
• Honeyberries, Haskaps, Blue honeysuckle (Part II)
• Organic production and IPM guides available
• Cranberry degree-day map and update
• Powdery mildew in the vineyard
• Social wasps in vineyards
• Wine and table grape developmental stages
• Vineyard netting protection
• Revisiting the insecticide Assail
• Preventing Patulin in apples
• Apple maturity index report

WFN — Vol 2, Issue 9 (Aug 4, 2017)

• Biological control Part II: Our favorite natural enemies
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Blueberry maggot
• Nematode diseases of berry crops
• Cranberry degree-day map and update
• Canopy management practices to improve grape qualities
• Wine and table grape developmental stages
• Preharvest bitter pit prediction in Honeycrisp apples
• Apple maturity index report

WFN — Controlling SWD in cherries Supplemental Issue (July 25, 2017)

• Spotted wing drosophila control during cherry harvest

WFN — Vol 2, Issue 8 (July 21, 2017)

• What’s going on with worker protection
• Integrating biological control into an IPM program
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Some reflections on weed control in strawberries (part I)
• Cranberry degree-day map and update
• Grape insect scouting report — Japanese beetle
• Observations for the vineyard: Berry splitting after heavy rains
• Wine and table grape developmental stages
• Apple summer diseases
• Apple borers
• Calcium products to control Bitter Pit in ‘Honeycrisp’ apples

WFN — Vol 2, Issue 7 (July 7, 2017)

• Follow up on the article on the reduced risk insecticide Intrepid
• Endangered Species Protection Bulletins and Methoxyfenozide-containing pesticides
• IPM: Mating disruption
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Honeyberries, Haskaps, Blue Honeysuckle
• Brown stink bugs in berries and BMSB
• Cranberry degree-day map and update
• Wine and table grape developmental stages
• Grape scouting report — Japanese beetle and leafhoppers
• Apple maggot

WFN — Vol 2, Issue 6 (June 23, 2017)

• New SWD publication available!
• IPM: Host plant resistance
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Harvest schedule and sanitation for managing SWD
• Cranberry degree-day map and update
• Grape insect scouting report — rose chafer
• Wine and table grape developmental stages
• Nutrient management for apple orchards – an update
• Potato leafhopper in apple
• Verticillium on stone fruits
• Reduced risk insecticide: Intrepid

WFN — Invasive Insects Supplemental Issue (June 13, 2017)

• Brown marmorated stink bug caught in apple orchard
• First spotted wing drosophila of the season trapped

WFN — Vol 2, Issue 5 (June 9, 2017)

• First brown marmorated stink bug caught in trap
• IPM: Cultural controls
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Phytophthora diseases of berry crops
• Water management in strawberries
• Cranberry degree-day map and update
• Black rot is here
• Wine and table grapes developmental stages
• Grape insect pest scouting report — Leafrollers
• Reduced risk insecticide: Surround
• Focus on apple aphids
• Rescue me! Late thinning options for apples

WFN — Vol 2, Issue 4 (May 26, 2017)

• Soil-borne diseases of fruit crops: Introduction
• IPM: Monitoring pest populations and action thresholds
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Spotted wing drosophila forecast for 2017
• Strawberry root weevil and Black vine weevil
• Cranberry degree-day map and update
• Controlling vine vigor by shoot thinnings
• Wine and table grapes developmental stages
• Grape insect pest scouting report — Grape plume moth
• Codling moth flight begins

WFN — Vol 2, Issue 3 (May 12, 2017)

• Promalin, a frost rescue alternative for apples
• Home Fruit Cultivars for Southern Wisconsin – updated publication
• An integrated approach to pest management
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Eastern Flower Thrips
• Cranberry degree-day map and update
• Planting and caring for young grapevines
• Wine and table grapes developmental stages
• Grape insect pest scouting report
• Using NEWA weather stations to predict spray timings: an example from plum curculio

WFN — Vol 2, Issue 2 (April 28, 2017)

• Photo guide for disease ID on cold-climate grapes
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Pest alert: Strawberry mites
• Cranberry degree-day map and update
• Grape insect scouting report: flea beetle vs cutworm damage
• Wine and table grapes developmental stages
• Timing of thinner application for apples
• Mass trapping of Codling Moth in apple orchards
• Apple pest report – spring caterpillars

WFN — Vol 2, Issue 1 (April 14, 2017)

• Insecticide Update
• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Pest alert: Blueberry maggot
• Cranberry degree-day map and update
• Brown marmorated stink bugs and grapes
• Sudden Apple Decline — learn all about it
• Planting and caring for your new apple tree
• San Jose scale
• Apple thread blight

WFN — Warm Spring Supplemental Issue (Feb 23, 2017)

• How could this warm weather affect fruit crops?

WFN — Invasive Insects Supplemental Issue (Feb 8, 2017)

• Spotted wing drosophila: end-of-season update
• Brown marmorated stink bug: end-of-season update

WFN — Grape Supplemental Issue (Dec 1, 2016)

• Growing season summary: West Madison Agricultural Research Station training systems trial
• Grape fruit quality assessments
• Susceptibility to downy mildew, powdery mildew, and black rot
• Grape insect report — 2016 summer summary

WFN — BMSB Supplemental Issue (Oct 7, 2016)

• First report of brown marmorated stink bug in agricultural crops in Wisconsin

WFN — Vol 1, Issue 13 (Sept 30, 2016)

• Wrapping things up for the summer of 2016
• Plant Disease Diagnostic Clinic
• Insect Diagnostic Lab update
• Spotted Wing Drosopila: 2016 monitoring update
• Spotted Wing Drosophila survey for WI berry growers
• Cranberry degree-day map and update
• Grape developmental stages
• It’s never too late to think about apple scab
• Brown marmorated stink bug is preparing for winter

WFN — Vol 1, Issue 12 (Sept 16, 2016)

• Insect Diagnostic Lab update
• Blueberry virus survey
• Diversifying your fruit crops: Aronia
• Cranberry degree-day map and update
• Spotted wing drosophila management for Wisconsin grape growers
• Late season downy mildew management
• Grape developmental stages
• Hazelnut harvest and processing
• Apple fruit maturity: how to determine the optimal harvest date

WFN — Vol 1, Issue 11 (Sept 2, 2016)

• Plant Disease Diagnostic Clinic update
• Endosulfan in strawberry, and correction on previous Rimon article
• Insect Diagnostic Lab update
• Unusual fruit crops for Wisconsin markets: Saskatoon
• Mechanical harvesting of black currants
• Cranberry degree-day map and update
• Grape insect pests: multicolored Asian lady beetle
• Grape disease update
• Grape developmental stages
• Reduced-risk insecticide profile: Entrust
• Impact of spotted wing drosophila on the cherry industry

WFN — Vol 1, Issue 10 (Aug 19, 2016)

• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Unusual fruit crops for Wisconsin markets: Currants
• Strawberry rootworm
• Cranberry degree-day map and update
• Grape disease update
• Grape developmental stages
• Ripening process of grapes in primary and secondary shoots
• Reduced-risk insecticide profile: Rimon
• Pre-harvest fruit drop control in apple orchards

WFN — Vol 1, Issue 9 (Aug 5, 2016)

• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Leaf tissue analysis for berry crops
• Blueberry stem gall wasp
• Cranberry degree-day map and update
• Grape disease update
• Grape insect scouting report
• Grape developmental stages
• Insecticide profile: Movento
• Antique apples with modern value
• Update on brown marmorated stink bug

WFN — Vol 1, Issue 8 (July 22, 2016)

• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Raspberry Planting and Establishment Guidelines
• Japanese beetle in berry crops
• Cranberry degree-day map and update
• Grape developmental stages
• Grape disease update
• Grape insect pests: Focus on wasps and Japanese beetles
• Northern Grapes Project
• Peach varieties for Wisconsin
• Insecticide profile: Delegate
• Apple aphids
• Sooty Blotch and flyspeck

WFN — Vol 1, Issue 7 (July 8, 2016)

• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Strategies to avoid herbicide-resistant weeds
• Fruit Crop Entomology lab research update on spotted wing drosophila
• Cranberry degree-day map and update
• Grape developmental stages
• Grape scouting report
• Grape Tumid Gallmaker
• Vineyard canopy management- Leaf removal
• Apple varieties for Wisconsin markets
• Spotted wing drosophila update for Door County

WFN — Vol 1, Issue 6 (June 24, 2016)

• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• Spotted wing drosophila in Dane County
• Exclusion barriers as a management tool for spotted wing drosophila
• Cranberry degree-day map and update
• Grape disease update
• Grape developmental stages
• Grape insects pest scouting report
• Tissue analysis of cold-hardy wine grapes
• Reduced risk insecticide: Exirel
• Going soft on apple diseases?
• Apple fertility considerations for orchards with variable crop loads
• Door County spotted wing drosophila update

WFN — Vol 1, Issue 5 (June 10, 2016)

• Plant Disease Diagnostic Clinic update
• Insect Diagnostic Lab update
• New strawberry plant care in the field
• Mild winter and risk of spotted wing drosophila infestation in strawberries
• Cranberry degree-day map and update
• Grape disease update
• Grape developmental stages
• Grape plume moth
• Scab, frost… now what?
• Spotted wing drosophila in Wisconsin cherries
• Brown Marmorated Stink Bug look-alike

WFN — Vol 1, Issue 4 (May 27, 2016)

• Plant Disease Diagnostic Clinic update
• Special pesticide registrations
• Raspberry varieties and infestation by spotted wing drosophila
• Event notification: Monroe and Richland counties field day
• Degree-Day benchmarks for Sparganothis fruitworm
• Grape disease update and disease scouting
• Grape developmental stages
• Reduced risk insecticide: Altacor
• Apple thinning recommendations after the frost
• Cider apple trees

WFN — Post-freeze Supplemental Issue (May 17, 2016)

• Post-freeze vineyard management
• Promalin, a frost rescue alternative for apples
• Grape damage profile at West Madison Agricultural Research Station

WFN — Vol 1, Issue 3 (May 13, 2016)

• Plant Disease Diagnostic Clinic Update
• Strawberry Angular Leaf Spot
• Aronia susceptibility to spotted wing drosophila
• Cranberry degree day map
• Black rot management in grapes
• Grape Developmental Stages
• Establishing cold hardy grapevines on a spur pruned High Cordon System
• Red Fusion wine
• Reduced risk insecticide: Confirm
• Building a hazelnut industry

WFN — Vol 1, Issue 2 (May 2, 2016)

• Degree Day Overview
• Spotted Lanternfly Pest Alert
• Strawberry Cultivars and your Farm Profitability
• Cranberry Degree Day Map
• Summer Plans in the Steffan Lab
• Reducing Grape Disease Pressure through Sanitation
• Grape Developmental Stage Report
• Cambridge Vineyard Walk
• Special Indar Fungicide Label for Certain Stone Fruits

WFN — Vol 1, Issue 1 (April 18, 2016)

• Introducing the Wisconsin Fruit Newsletter
• SWD Survey summery
• The Importance of Degree Day Modeling in Cranberry
• Profile of Grape Pathology Work
• Grape Variety Developmental Stages
• WFFVC Grape Grower Survey Results
• Promalin, a frost rescue alternative for apples
• Update on BMSB

In addition, you can browse other newsletters here:

Cranberry Crop Management Journal

Northern Grape News

Door County Grape IPM Reports (2012 – 2015)