H havlikn Senior Member Joined Aug 20, 2013 Messages 290 Reaction score 74 Jul 24, 2017 #1 I have found this discoloration on my Marquette leaves, have not noticed any issues on other vines in the area. Only thing I can find in my research is potential potassium deficiency. Any thoughts?
I have found this discoloration on my Marquette leaves, have not noticed any issues on other vines in the area. Only thing I can find in my research is potential potassium deficiency. Any thoughts?
Masbustelo Junior Member Joined Jul 18, 2015 Messages 572 Reaction score 142 Location Northern Illinois 5b Jul 24, 2017 #2 I don't know where your located, but weren't there problems with Marquette early on with certain soils in Iowa with too much or to little potassium or phosphorus? Here you go. http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3054&context=etd
I don't know where your located, but weren't there problems with Marquette early on with certain soils in Iowa with too much or to little potassium or phosphorus? Here you go. http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3054&context=etd
H havlikn Senior Member Joined Aug 20, 2013 Messages 290 Reaction score 74 Jul 24, 2017 #3 Interesting article. I am located in se wisconsin. I will have to dive more into the article.