Tree Fruit Pathology Lab at Virginia Tech
If the weather forecast is to hold up and become true for the next 72 h, with warm rains we will get on 17 and 18 March a weak to mild apple scab infections in Southeastern, Eastern and Central Virginia, unless fungicides are applied. The …
Today, with the rains of 10 March predicting 0.23 inches in total, infections from apple scab fungus are possible in Bristol VA, and other locations in South-Eastern VA, on early apple cultivars susceptible to this disease. We are beyond the Green Tip (GT) in South-Eastern …
Updated 3/7/2023 10:30 AM: ‘Gala’ trees at the VTech Lab (AREC) in Winchester experiment orchard are at green tip (GT). GT was reached on Granny Smith in Nelson County in 1st March in Tyro, VA. GT was confirmed on Gala on the 1st March and …
You should always protect your fruit trees no matter which year we will have and what conditions we will expect. The key point is, which fungicides and bactericides we will apply and when we decide to apply them this year will critically impact the infection …
I. Apple Scab and Marssonina Leaf Blotch – why we had issues in 2022 and how to reduce overwintering inoculum? With the frequency and the amount of rains we received in 2022, managing scab and Marssonina Leaf Blotch (MLB) aka Apple Blotch disease was truly …
I. Act Now: Purchase New or Service Your Existing Weather Station(s) Connected to NEWA Plant Disease Models for 2023 Season! If your RainWise (now KestrelMet) weather station(s) have not have operated properly in 2022 as they had a faulty sensor for either leaf wetness, temperature …
AHS Jr. AREC in Winchester advertised an exciting job opportunity for Research specialist II in Tree Fruit Pathology program at Virginia Tech: https://careers.pageuppeople.com/968/cw/en-us/job/524378/research-specialist-ii This position is located in the northern Virginia, town of Winchester, in Frederick county, only 1.5 h from Washington D.C. The position …
1. Apple Scab and Marssonina Leaf Blotch were visible in the Shenandoah Valley apple orchards this year. As the fungi that cause these diseases overwinter in the dead leaf litter on the orchard floor, you can reduce apple scab ascospore inoculum dose by 50-70% and …
On 29 August 2022 we detected Marssonina Leaf and Fruit Blotch in a classic training system orchard of ‘Ginger Gold’ in Winchester, VA. The orchard was well protected until harvest, but after fruit were picked, disease moved in, and infect and yellowed some leaves. This …
First signs of bitter rot disease on fruit of apple cultivar ‘Golden Delicious’ have been found on 12 July in Winchester at AREC’s experimental Block 30 (Fig.1). Rot started from the fruit side (Fig. 1). We found that bitter rot lesions were almost always on …