Aćimović Lab https://validator.w3.org/feed/docs/rss2.html 1. NEWA Sooty Blotch & Flyspeck (SB&FS) Model Predicts When the First Infections Occur; 2. Fungicide Options for SB&FS and Apple Bitter Rot/Glomerella Leaf Spot Posts Welcome to the Aćimović Lab (I) Risk for Apple Scab Extremely Low Due to Fast Drying After Rain, (II) Main Peach Diseases and Spray Materials Recommended for Them People Contact How Delayed Dormant Copper Impacts Apple Scab and Fire Blight? Fire Blight NEWA Model EIP Values In Virginia Predicted 100 and Above with Weather Forecast 19-21 April: Infection in Bristol VA and Infection Possible With Spray Tank Water (I) First Fire Blight Infections Predicted from 31 March – 3 April, Antibiotic Application Necessary on Open Flowers; (II) Add Fungicides as First Major Scab Infection is Predicted 31 March – 3 April First Apple Bitter Rot Symptoms in 2025 Visible in Winchester, VA, on 7/1/2025: Keep Up Regular Cover Sprays to Protect Fruit with Fungicides Hazardous Weather Outlook – Isolated Severe Thunderstorms Possible 4/14/2025: Be Prepared to Apply Streptomycin Tomorrow if You Get Hail Publications Subscribe to RIMpro Apple Scab, Fire Blight, Powdery Mildew and Peach Brown Rot Models: It Can Help Your Farm! (I) Fire Blight Visible From 5 to 12 May in Southern and Central VA; (II) Phytophthora Root and Crown Rot a High Risk with Excessive Rains; (III) Primary Scab Season Over, But Keep Up the Fungicide Applications for 2 Weeks More (I) Urea or Lime for Reducing Overwintering Inoculum of Apple Scab and Marssonina Leaf Blotch; (II) Peach Leaf Curl Control with Ziram and Chlororthalonil in Spring 1. Peach Leaf Curl Control Starts with Ziram and Chlororthalonil in Spring; 2. Reduce Overwintering Inoculum of Apple Scab and Marssonina Leaf Blotch with Urea or Lime Spray Strong: Apple Bitter Rot Infections a High Risk in 2025 – Alternate FRAC 11, Aprovia, Omega and Captan Fungicides Multiple Hazards In Effect; Hazardous Weather Outlook – Hail Possible In Evening 6/8/2025: Be Prepared to Apply Streptomycin Tomorrow if You Get Hail First Symptoms of Apple Scab, Powdrey Mildew and Cedar Apple Rust Infections Visible from 2 May Fire Blight Spray Considerations with Recent and Oncoming Warm Weather Extension Publications (I) Apple Scab Infection Predicted For Rains 11- 14 May; (II) Keep Applying Streptomycin in Cider Apple Cultivars if Flowers Are Still Opening Major Apple Scab Infections 2-5 May With Predicted Rain Events Ahead (Plus Fire Blight Infections Where Flowers Still Opened) Fire Blight Infections Predicted in NEWA EIP Model With Showers 29 April – 2 May, Varying Across Virginia Lab in Action Major apple scab and fire blight infections predicted for 25 – 27 April 2025 rains: Powerful Spray Protection Needed How to Manage Diseases in Apple Orchard After a Frost Destroyed the Commercial Crop (Off Year) As Predicted in Blog Post on 4/16/2025 Fire Blight Infections Occurred or Will Occur on 19, 20, 21, 22, 25 April Across Virginia: If You Haven’t, Apply Streptomycin, Do So Immediately on Any Open Flowers (I) Severe Apple Scab and Rust Infections Predicted in NEWA Model for rains of 10-12 April; (II) Fire Blight Not a Risk Due to Low Temperatures First Galls of Cedar Apple Rust Were Visible 3 April; Yes, Cedar Apple/Quince Rust Infections Happening With 3-7 April Rains Subscribe to RIMpro Apple Scab, Fire Blight, Powdery Mildew and Peach Brown Rot Models, It Is Affordable! First Notice – Please Join USDA CPPM Project’s Fire Blight Workshop on 25 July 2024 at Alson H Smith Jr AREC: For Virginia and Regional Fruit Growers and Their Farm Workers / Primer aviso: Invitamos a los productores de frutas de Virginia, de la región y a sus trabajadores agrícolas a que nos acompañen el 25 de julio del 2024 en el Alson H Smith Jr AREC al taller de Fire Blight, auspiciado por el proyecto USDA CPPM Major Fire Blight and Apple Scab Infections Predicted With Rains From 3 – 6 April in All Virginia, Varying Slightly Depending on Location: Look at Your Disease Models Agricultural Technician B in Plant Pathology – Wage Position Open at the Virginia Tech’s AHS Jr AREC in Winchester VA 1. Urea or Lime Can Reduce Overwintering Inoculum of Apple Scab and Marssonina Leaf Blotch in Apple Leaf Litter, 2. Peach Leaf Curl Insurance with Ziram, Copper (Fall) and Chlororthalonil (Spring) Delayed Dormant Copper, When to Apply It and Should you Add Oil or Not? 2024 Green Tip to Second Cover Fungicide Spray Recommendations and 2023 Apple Scab Infections Retrospective First Major Apple Scab Infection Highly Likely in Virginia With Predicted Rains of 1-3 April 2024 Flowers opening rapidly: First fire blight infections 30 and 31 March (yesterday and today), antibiotic application necessary; Add fungicides Lab in the news Projects Please Watch Video of 2025 NEIPM Questions Session: Bitter Rot by P. Martin and S. G. Acimovic (I) Last Chance for Urea or Lime to Reduce Overwintering Inoculum of Apple Scab and Marssonina Leaf Blotch in Apple Leaf Litter; (II) Apply Peach Leaf Curl Control: Ziram and Chlororthalonil (Spring) Please RSVP to Join The USDA CPPM Project’s Fire Blight Workshop on 25 July 2024 / Por favor Confirme su asistencia para unirse al taller del proyecto CPPM de la USDA sobre de fire blight, 25 de julio de 2024 1. Fire Blight Visible as of 5 May in Northern VA; 2. Rust and Powdery Mildew Visible as of 15 May in Northern VA; 3. Primary Scab Season Over But Cedar Apple Rust Still a Significant Risk Janet van Zoeren and Michael Basedow of CCE Teach Small Farms Intro to Tree Fruit Production Course (February 27 – April 3, 2025) First Apple Bitter Rot Symptoms in 2024 Visible in Winchester, VA (14 June 2024) First Symptoms of Apple Bitter Rot in 2022 Visible in Winchester, VA Delayed Dormant Copper and Adding Oil or Not and How Much? Three Main Peach Diseases and How to Approach Their Management – Brown Rot, Rusty Spot and Bacterial Spot