Seems like the new bit of information is at the end of the article:<p>> Addendum, Jan. 16th, 2024
> Reports in the Washington Post (long text) and at the “Genetic Literacy Project” (short text) report on a huge setback in the “American Chestnut Project”.<p>> Apparently seeds had been mixed up or mislabelled before planting. Instead of Darling 58, a mixture of Darling 54 and Darling 58 was planted! The young Darling 54 trees are less robust, have slower growth, die more often and also seem to have a lower tolerance to the fungus.
This was discussed a fair bit last month:<p><a href="https://news.ycombinator.com/item?id=38758522">https://news.ycombinator.com/item?id=38758522</a><p><a href="https://news.ycombinator.com/item?id=38573765">https://news.ycombinator.com/item?id=38573765</a><p><a href="https://news.ycombinator.com/item?id=38754581">https://news.ycombinator.com/item?id=38754581</a>