Author: acimovic

Time to Reduce Overwintering Inoculum of Apple Scab Fungus and Marssonina Leaf Blotch Fungi in Apple Leaf Litter

Time to Reduce Overwintering Inoculum of Apple Scab Fungus and Marssonina Leaf Blotch Fungi in Apple Leaf Litter

I. APPLE SCAB If apple scab was not controlled timely last year and primary and secondary infections on leaves were visible at any time during the season, you should aim to reduce overwintering scab inoculum residing in leaf litter on the orchard floor. Especially conducive 

Preliminary Report on 2021 Apple Powdery Mildew Efficacy Trial at Virginia Tech’s AREC

Preliminary Report on 2021 Apple Powdery Mildew Efficacy Trial at Virginia Tech’s AREC

The preliminary efficacy trial results conducted at AREC in 2021 can be downloaded via this link: Preliminary Report on Efficacy of Gatten and Parade Fungicides in Control of Apple Powdery Mildew at AREC in Winchester VA  

More Rain = More Apple Bitter Rot: Late Maturing Apple Cultivars Need Continued Fungicide Protection up Until Harvest (!)

More Rain = More Apple Bitter Rot: Late Maturing Apple Cultivars Need Continued Fungicide Protection up Until Harvest (!)

Bitter rot incidence is high in some Virginia and West Virginia apple orchards as hot summer days with drought mid-summer preceded rains in August and September. Bitter rot emerged at an increasing rate where fungicide was stopped in June or July or coverage until harvest was