Mortality of <I>Pinus wallichiana</I> by Dwarf Mistletoe in Uttarkashi

Abstract

A study was conducted to identify and assess the cause of mortality in Blue pine (Pinus wallichiana) forest of Gangotri Range in Uttarkashi Forest Division (Uttarakhand). A phanerogamic parasite; dwarf mistletoe, Arceuthobium minutissiumum was identified as the causal organism of mortality in Blue pine in Pantangana block of Gangotri range. The incidence of parasite was recorded 70.37 per cent with 14.81 per cent mortality of trees.