Knowledgebase

Grape death #797372

Asked June 22, 2022, 10:50 PM EDT

The grapes start normally but die as in photo. Growing on treated wood trellises vines are several years old and each yr the grapes die before maturing

Baltimore County Maryland

Expert Response

Thanks for including the photo.  The grapes are suffering from a fungal disease called Black Rot.  It is very common in grapes.  The cure is a preventative fungicide that is applied in the early spring just as the buds are starting to burst.  For more information, please see these websites: 

https://extension.umd.edu/resource/grape-diseases

https://www.pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/456/456-018/ENTO-462-C.pdf

Reach out with any additional questions regarding the diagnosis. Best of luck! 
Answered by University of Maryland Extension faculty. For more information on a variety of yard and garden topics, visit the HGIC program web page and blog, Maryland Grows. Replied June 23, 2022, 3:24 PM EDT

Loading ...