Filtering by tag: Apple disease updates

Bitter rot spots on Gala

GLS and Bitter Rot Management at Harvest

Symptoms of Glomerella leaf spot and bitter rot caused by Colletotrichum fructicola have been rapidly increasing throughout the region over the past few weeks. While we are still examining weather…

Apple showing unknown rot disease

Apple Disease Update: June 30, 2020

This week serves as a reminder to stay the course and DO NOT let up on 7 to 10 day summer cover applications. Even if we do not get substantial rainfall over this time period the combination of…

Glomerella leaf spot on 'Gala'

Apple Disease Update: June 16, 2020

Well Southeastern Apple Growers, it was only a matter of time. This past weekend I observed small purple lesions in our research trial (cv 'Gala') and by today, several more lesions characteristics…

Glomerella Leaf Spot

Apple Disease Update: May 20, 2020

Short and sweet pathology update this week since Glomerella and rain is probably the main thing on the brain. Coincidentally, rain of this magnitude fell over Western NC during the same week in 2018…

Frogeye leafspot on evercrisp

Apple Disease Update: May 14, 2020

Apologies for the delayed post this week. Between the cold temps and paucity of good thinning this year, it seems like my hort. sci. colleagues were the ones in the hot seat this week. Nonetheless,…

leaf with scab lesions

2020 Apple Disease Update: 2nd Cover

With the warm and humid/wet weather conditions in Western NC this week, hopefully your trees were well protected against Glomerella leaf spot, bitter rot, and fire blight. Fungicide applications this…

GLS symptoms on leaf

2020 Apple Disease Update: PF #2 and 1st Cover

I feel like the majority of apple growers in NC would laugh at me and possibly call for my resignation if I told them that getting disease on apple trees really requires a combination of ideal…

Glomerella leaf spot photo

Apple Disease Update + Research Recap #1

The unseasonably cool temperatures throughout Western NC has put apple tree development in a bit of a holding pattern. Fortunately, this should also slow down Glomerella leaf spot for the time being…

Petal Fall on Gala

2020 Apple Disease Update: Petal Fall

Congratulations and celebrate because primary apple scab season ended on April 12th in Western NC! However, please do not get lazy on managing this disease. The lesson of letting up on scab sprays…

Pink and bloom apple bud stage

2020 Apple Disease Update: Pink Bud and Bloom

I thought a combined post on disease management for the pink and bloom stages was justifiable this week since for many in NC trees went from pink to 50% bloom in three days. Yes, despite the 80 deg.…