Filtering by tag: Nursery & Turf ✕

Symptoms of Marssonina leaf spot and GLS on apple

Apple Disease Update: Week of July 27, 2025

As 'Gala' harvest nears, it's time to start focusing on PHIs and final fungicide applications prior to fruit being harvested. It's also time to commit to keeping the sprayers running at the very…

Photo showing pink bud and bloom phenology stages in apple

Apple Disease Update: Pink Bud and Bloom

Well, green tip to bloom seemed to progress fairly rapidly this year! Just two weeks ago we were putting on our green tip application of copper at the MHCREC in Mills River. It's funny, looking back…

Apple Disease Update: Week of July 26, 2021

Leaf defoliation on apple trees has begun in Western North Carolina, but unfortunately it's not quite autumn. Rather, the fungal pathogens causing Marssonina leaf blotch and Glomerella leaf spot…

Apple Disease Update: Week of June 7, 2021

In this week's post, I'd like to address a question that has been popping up recently: Options for flyspeck/sooty blotch (FSSB) management? In a separate post this week (likely to be published…

Apple Disease Update: Week of May 10, 2021

The destruction of the two cold snaps on fruit production and quality is beginning to come to light for many apple growers throughout the region. For the remainder of this year my plan is to send out…

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…

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.…

2020 Apple Disease Update: 1/2" Green and Tight Cluster

With the exception of ‘Rome Beauty’ and trees recently planted, nearly all cultivars in North Carolina have passed the green tip stage. If you have not yet applied a full rate of copper for…

Don't Be Fooled by Nectrotic Leaf Blotch

Over the past week I've received a few phone calls regarding concern over leaves on Golden Delicious suddenly developing leaf spots/blotches, quickly yellowing, and then prematurely defoliating.…

Developing apple scab lesions on immature fruit

Apple Disease Update: Week of June 2, 2019

The theme of this week's post is to PRACTICE PROTECTION! According to my weather apps, a fair amount of rain is predicted in Western NC beginning Wednesday afternoon and continuing through Friday. If…