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bonsaiTALK Craftsman
Join Date: Jul-2007
Location: Curry County, Oregon
Country: USA
Posts: 94
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I'm pretty sure trees that are not self-fertile can NOT be pollinated by genetically identical trees. There is some mechanism in the pollination process that recognizes genetically identical pollen and rejects it. So for many non-self-fertile trees they recommend using a second variety to make sure you dont accidentally get a clone as the second tree. I've seen some places where specific varieties are recommended for a tree, and others where varieties are NOT recommended, because of the different degrees of relationship, I think.
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