Below are some photos I took today of the healthiest 2012 crosses. We had 3 inches of rain last week and some seedlings are putting on a growth burst. Click on the photo to enlarge.
On the left, Doaniana Montague x Dornfelder. On the right, Linny lincecumi x Tannat. Note the somewhat yellow leaves on the Linny cross (right side). Other members of this Linny cross seem to have the problem, too. Extra and Long John, two Munson lincecumi crosses, sometimes exhibit yellow leaves here (chlorosis?), so it may be a problem lincecumi has with the heat or the clay. The Montague x Dornfelder (left) is very reminiscent of last year's Dornfelder x OP (prob. self pollinated), at least in terms of leave geometry and color. These seedlings couldn't make it through the summer heat, though. In contrast, this 2012 Dornfelder cross is having no problems with the heat.
With that said, look at this Chalk Mountain cinerea x Extra cross. No yellow leaves here.
Finally, here is Doaniana Montague x French Mystery vine. I think this is the healthiest cross as a group.
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