Bumpy leaves on grape vine

luke3026May 19, 2009

My grape vine leaves are developing bumpy blister-like things. Any idea what these are or what I should do about it?

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bogturtle(SE NJ 7a)

I suspected some type of gall and found the following explanatory website:
http://www.oardc.ohio-state.edu/grapeipm/insects_attacking_grape_foliage.htm -
52k -
I googled in 'blisters on grape leaves'. There are several insects that can do this, and they are listed down in the article with an army of other insect pests.

    Bookmark   May 31, 2009 at 12:00AM
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