A short-reduce in photosynthetic equipment can permit needles of pine bushes to live green Kumar Jeetendra | December 24, 2020 How do conifers which are used for example as Christmas trees keep their green needles over the boreal winter when many trees drop their leaves? Science hasn’t provided a good response to this question but now an international group of scientists, including researchers in Umeå University, has deciphered that a short-cut in the photosynthetic machinery …