1. As of last week (5 May), first fire blight symptoms are visible in Frederick and Madison counties in Virginia (Fig. 1, 2). We are aware that symptoms of fire blight were visible in Southern Virginia much earlier. Based on the time when these symptoms …

1. Yes, we had major apple scab and cedar-apple rust infections on apples May 4-5. If the rusts are your major problem in addition to scab, and you did not cover with a fungicide before these infections of 4-5 May, you can apply mancozeb plus …

1. If any young apple trees planted late are in bloom, or any cider apple cultivars are maybe in bloom in Northern VA, fire blight infection reported by NEWA EIP model on 28 April to 1 May should be controlled by streptomycin application in mix …

TO ALL LOCATIONS WITH POME FRUIT IN VIRGINIA: On top of the NEWA EIP model as of this morning reporting fire blight infections for all Virginia 15-18 April we also have a warning for isolated severe thunderstorm weather predicted for all Virginia locations from Bristol, …

We are entering a period of high EIP values in the NEWA EIP model and significant risks for infection if wetting event occurs. Depending on location-specific weather forecast for the next 48 h, infection are predicted differently (see screenshots below): Bristol on 16 and 18 …

(I) As per the below provided screenshots, the EIP model in NEWA (EIP stands for Epiphytic Infection Potential) has of this morning changed in few locations for the 10th and/or 11th April as a fire blight Infection event. Therefore, locations like Middletown an Washington (Gadino …

1. APPLE SCAB, RUSTS, POWDERY MILDEW: If the weather forecast for 9-12 April becomes a reality, and we do get rain events predicted, according to NEWA apple scab model we will get a very strong apple scab and Juniper rust infection on 10 April into …

1. If today’s weather forecast predictions for 2 April become reality NEWA’s fire blight model is predicting that fire blight infections are possible this coming week with rains 2 April in Bristol, Cana, Rustburg, Tyro, Fincastle, Roseland, Roanoke and other Central and Southern Virginia locations …

First of all, Happy Easter for those of you who celebrate it. I’ve had several great questions sent to me by the growers this morning. If the weather forecast with warm rains predicted for 1-3 April 2024 becomes a reality (Fig. 1), we will get …

Last week, winter came back in Northern Virginia slowed down the bud development. It has been cold for apple scab infections so far in central and northern VA. However, with the rains of 26-27 March strong infections from apple scab fungus are possible in Bristol …