Fruit Tree Pathology Lab at Virginia Tech
It is that time of the year when we should pay special attention to protecting apple fruit from Sooty Blotch and Flyspeck (SB&FS) in Figure 1 above and apple bitter rot/Glomerella Leaf Spot (Figure 2 below). SB&FS are caused by a large group of …
Please share with your farm workers: Fire blight is a growing problem for the East Coast pome fruit growers impacting apple, pear and Asian pear production. Assistant Professor Srdjan Aćimović and his collaborators on the USDA CPPM project, “Creating Next-Gen Controls for Fire Blight Cankers, …
As a stakeholder we are inviting you to please fill out the Virginia Tech’s CALS Needs Survey via the link below or by scanning the QR code at the end of this post: https://virginiatech.questionpro.com/VAESSurvey
First apple scab symptoms are visible on old and new leaves as of 15 May 2024. The first fresh scab infections were found on ‘Gala’ leaves (Figures 1, 2) and fruit at AREC (Figure 3). These symptoms were found in ‘Gala’ apple block on select …
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 …