Common Needle, Shoot, Branch and Stem Diseases of Conifer Trees in Bhutan

a Institute of Forest Entomology, Forest Pathology and Forest Protection, Department of Forest and Soil Sciences, University of Natural Resources and Applied Life Sciences, Vienna, Austria. b Federal Research and Training Centre for Forests, Natural Hazards and Landscape, Department of Forest Genetics, Vienna, Austria c Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa d Renewable Natural Resources Research Centre, Jakar, East Central Region, Council for RNR Research of Bhutan, Ministry of Agriculture, Royal Government of Bhutan, Bhutan