Science has not provided a good answer to this question but now an international team of scientists, including researchers from Umeå University, has deciphered that a short-cut in the ...

Direct energy transfer from photosystem II to photosystem I confers winter sustainability in Scots Pine. Nature Communications, 2020; 11 (1) DOI: 10.1038/s41467-020-20137-9 ...

Those trees include the long-needle pine varieties like the Austrian and Scotch and mungo, a short-needle dwarf pine. The trees most affected are those 15 years or older, he said.

A pine tree may lose up to 1/3 of its needles this natural way each season. Needle drop of this type should occur throughout the interior of the tree, not just in particular areas.

Shortleaf pine, Short-needle pine, Pinus echinata, is potentially a large, stately tree, to 100' tall (the national champion is apparently in Mississippi, and is 138’ tall), and is valued as an ...

“We haven’t done much of this short needle pine,” LSA Executive Director Dennis Palmer said Thursday. “We have some other white cedar trees we have planted.” ...