Larch bonsai in full fall display. By Larch Master Nick Lenz. Larch roots & TMS I know the topic in this post is a bit arcane, but I’d like to know if anyone out there has any more info on TMS. The research quoted below is from this journal. “The roots of 200 one-year-old Changbai Larch (Larix olgensis) seedlings were soaked for 6 hours at the TMS concentrations of 2000, 1000, 500, 250, 125, and 62 ?L·L?1. Mean seedling height, root collar diameter, main root length and number of lateral roots were measured every 15 days during growing season from … Continue reading Larch Roots & TMS