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Dark_Side420 t1_iuepghh wrote

Reply to comment by Moogottrrgr in I wish every borough and township that lops trees or plants them directly under power lines could see this by susiemayhem

Co-dominant leaders are when the tree has 2 or more main trunks instead of just 1. This is a weaker structure. As the 2 trunks grow into each other there is bark included in the union that presses against each other causing a wound that is a vector for bacteria, fungus etc. To start eating away at the wood, weakening it more and making it more likely to fail.

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Moogottrrgr t1_iuev7dc wrote

Thanks! Is it two that grow all the way from the bottom or is it two that split off somewhere in the middle?

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