Tree Fruit Pathology Lab at Virginia Tech
Apple bitter rot is caused by six Colletotrichum species of fungi in Virginia: C. fructicola , C. chrysophilum, C. siamense, C. theobromicola, C. fioriniae and C. nymphaeae. First symptoms of bitter rot disease on fruit of apple cultivar ‘Gala’ have been found on 14 June …
PLEASE RSVP TO ATTEND THE WORKSHOP VIA THIS LINK: https://forms.gle/9XNxj3HNjE5aiMPE9 & PLEASE SHARE WITH YOUR WORKERS: Assistant Professor Srdjan Aćimović and his collaborators on the USDA CPPM project, “Creating Next-Gen Controls for Fire Blight Cankers, Blossom, and Shoot Blight with Copper, PGRs, Plant …
PLEASE SHARE WITH YOUR FARM WORKERS AND HAVE THEM ATTEND THIS WORKSHOP: Fire blight is a serious disease of apple, pear and Asian pear for fruit growers nationally. Assistant Professor Srdjan Aćimović and his collaborators on the USDA CPPM project, “Creating Next-Gen Controls …
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 …