THIRD WHORL. “Levels of an important group of metabolites, mainly involved in C1 and redox metabolism, seem to decrease with increases in needle age, most clearly in the oldest, third whorl.”
http://jxb.oxfordjournals.org/content/66/11/3113.full
THIRD WHORL. “Levels of an important group of metabolites, mainly involved in C1 and redox metabolism, seem to decrease with increases in needle age, most clearly in the oldest, third whorl.”
http://jxb.oxfordjournals.org/content/66/11/3113.full