Abstract
Heavy mortality of Shisham has been registered in almost all Shisham growing areas of India and neighboring countries. Observations on mortality of Shisham in a Clonal Orchard at Lacchiwala (Dehra Dun) were taken. Different clones revealed different symptoms of mortality. Thirteen percent (13%) to hundred percent (100%) mortality was observed in this Clonal seed Orchard. None of the individuals of clone no. 34 belonging to Gonda survived while the individuals of genotypes 81 belonging to Rajasthan showed resistance without any mortality in three years study. The probable causes of Shisham mortality are also discussed in this paper.
Keywords
Dalbergia sissoo, Genotypes, Scoring method, Defoliation, Partial dead, Insectiside