Fruit Tree Pathology Lab at Virginia Tech
(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 …
Before the frost: There have been some questions regarding the last growth stage “window” to use copper and about the frost announced on coming Thursday and Friday, 21 and 22 March (visible in forecast now for Winchester / Fig. 1/, Timberville, and Tyro in Virginia). …
1. If peach leaf curl was a problem last year: Early in the spring, Ziram should be applied if leaf curl has been a problem last year and you skipped applying it in fall. If would be best applied before bud swell but it can …
On March 8, 2024, we recorded 50% Green Tip on ‘Pink Lady’ and ‘Gala’ trees at the VT AHS Jr AREC) in Winchester, VA. In Botetourt county GT was reached on March 9 on Red Delicious while 1/4-inch green was recorded on Gala. In Nelson …
1. RIMpro Partnership: Learn How to Use RIMpro Apple Scab and Fire Blight Prediction Models Join a group of growers in Virginia who have used RIMpro prediction models for apple scab and fire blight infection(s) last 3 years. RIMpro is a cloud based (online) cluster …
I. APPLE SCAB (Venturia inaequalis) If symptoms of apple scab were visible on leaves or fruit during the 2023 growing season, you should plan to reduce overwintering scab inoculum residing in leaf litter on the orchard floor. What you do now for inoculum reduction can …