Contents: Preface. Part 1. Diseases: I. Impact: 1. Impact of heart rot in Acacia mangium willd,. Plantations of Peninsular Malaysia/Lee Su See, Zakaria Ibrahim, Hashim Mohd, Noor and Wan Razali Wan Mohd. 2. Foliar pathogens of tropical Acacias in Australia/K.M. Old, C.E. Harwood, K.J. Robson, M.W. Haines and D.J. Solomon. 3. Impact of diseases in nurseries, plantations and natural stands in vietnam/Tran Van Mao, Vietnam. 4. Impact of mistletoe infestation on growth and survival of teak/M. Balasundaran. 5. Impact of seed microflora on seed germination and seedling Vigour of some important indigenous tree species of Kerala/M.I. Mohamed Ali and J.K. Sharma. 6. Impact of diseases on the productivity of Bamboo stands in Kerala/C. Mohanan.

7. Assessment of damage caused by heart rot in Teak in Madhya Pradesh/N.S.K. Harsh and C.K. Tiwari. 8. Seedling diseases of some indigenous trees of Kerala and their impact on seedling productivity/M.I. Mohamed Ali and J.K. Sharma. 9. Losses in Albizia lebbek due to leaf spot and pod diseases caused by Colletotrichum dematium and their control/Mohd. Tahir and Jamaluddin. II. Disease Management: 1. Management of tree diseases in Canadian forests in the 90's/Pritam Singh. 2. Root rot in plantations of Acacia auriculiformisand A. mangium/Frans Arentz. 3. Disease problems associated with the large scale establishment of Timber Estates in Indonesia/Soetrisno Hadi, Simon Taka Nuhamara and Erdy Santoso. 4. Economics of chemical control of root diseases in forest nurseries/N.S.K. Harsh and B.N. Gupta. 5. Top dying of Sundri (Heritiera fomes) and its impact on the regeneration and management in the Mangrove Forests of Sunderbans in Bangladesh/Mohammad Abdur Rahman. 6. Diseases of Paraserianthes falcataria in Kerala and their possible control measures/K.V. Sankaran and J.K. Sharma. 7. Some destructive nursery diseases and their management/M.D. Mehrotra. 8. Potentials of microbe-activating technology for plantation health management/Dinesh Kumar and V.S. Mehrotra.

III. Disease Epidemiology: 1. Current status of stem rust of chir pine in the Himalayas/A.N. Shukla. 2. Epidemiology and control of Rhizoctonia web blight of bamboos/C. Mohanan. 3. Studies on the control measures of poplar rust, Melampsora larici-populina in China/Wu Hongyuan. 4. Fungal diseases of tropical trees in Nepal/M.K. Adhikari. 5. Outbreak of Bamboo (Bambusa nutans) blight diseases in Orissa/Jamaluddin and B.N. Gupta. 6. Effect of soil texture and moisture on seedling root rot of Dalbergia sissoo and its control/J.C. Kaushik and Ajit Singh. 7. Taxonomy and host range of the genus Armillaria in the exotic softwood and cash crop plantations of tropical Africa/Marcello Intini. IV. Symbiotic Microbes in Relation to Disease: 1. Interaction of VA-mycorrhizal Fungi with Rhizosphere and Rhizoplane Mycoflora of forest tree species in arid and semi-arid regions/V. Mohan and Neelam Verma. 2. Suppressive effects of VAM on root damage caused by Phytophthora capsici, Radopholus similis and Meloidogyne incognita in balck pepper/M. Anandaraj, K.V. Ramana and Y.R. Sarma. 3. Mycorrhizal symbiosis in tropical trees in relation to control of root pathogens/D.J. Bagyaraj. 4. Growth stimulation of Dalbergia sissoo by selected VA mycorrhizal fungi/D.A. Sumana and D.J. Bagyaraj. 5. Isolation of Frankia from Alnus root nodules/V. Manandhar. Part 2. Insect Pests: I. Impact: 1. Effect of defoliation by Hyblaea puera and Eutectona machaeralis (Lepidoptera) on volume increment of teak/K.S.S. Nair, V.V. Sudheendrakumar, R.V. Varma, K.C. Chacko and K. Jayaraman. 2. Estimates of the extent of infestation and potential losses caused by common forestry pests in South Africa/P.R. Atkinson and R.M. Laborde. 3. Status and impact of invastive conifer aphid pests in Africa/S.T. Murphy. 4. Impact of termites on Mahogany (Swietenia macrophyllal plantation in Fiji/M.K. Kamath, E. Senivasa and I. Bola. 5. Impact of the borer Alcterogystia cadambae (moore) (Lepidoptera: Cossidae) in Forest Plantations of Teak in Kerala, India/George Mathew and P. Rugmini. 6. Impact of Atteva fabriciella (Lepidoptera: Yponomeutidae) on growth of Alianthus triphysa/R.V. Varma. 7. Perceived impact of insect pest problems in Forest Plantations in Kerala, India/K.S.S. Nair, R.V. Varma, George Mathew, V.V. Sudheendrakumar and K. Mohanadas. 8. Life cycle and impact of the stem borer, Ploeccederus ferrugineus in cashew plantation in Karnataka, India, with notes on resistance to the borer/D.P. Kumar, P.S. Rai and M. Hegde. 9. Borer pests-a threat to coastal forests of Bangladesh/S.H. Chowdhury. 10. Seasonal infestation and damage to green logs by Ambrosia beetles in a Lowland Forest in Tanzania/S.S. Madoffe and Alf Bakke. 11. Impact of termites in the forest ecosystem/P.K. Sen-Sarma. 12. Insect damage to Neem in Tamil Nadu, India/R. Annamalai, C. Surendran, S. Thirumurthi and V. Gunasekaran. 13. Threats to mangrove vegetation from marine wood-boring and fouling organisms along India Coast/L.N. Santhakumaran, Surekha G. Sawant, K. Satyanarayana Rao and V.V. Srinivasan.

II. Pest Management: 1. The relationship between host tree stresses and insect attack in tropical forest plantations and its relevance to pest management/Martin R. Speight. 2. Imrprove forest structure to heighten its resistance to Masson's pine Caterpillar/Peng Jianwan, Zhou Shijuan, Jiang Yuan and Deng Xinhua. 3. Biological control of insect pests in Brazilian forestry/H.R. Santos. 4. Use of Chitin inhibitor diflubenzuron in forest insect pest management/B. Vasantharaj David and S. Manickavasagam. III. Biology, Ecology and Control: 1. Forest insect pests in Yunnan province, China and methods for their management/Pan Yougzhi and Caokuiguang. 2. Bionomics of Eucosma hypsidryas Meyrik (Lepidoptera: Eucosmidae) a pest of spruce in the Western Himalaya, India/O.P. Bhalla and Y.S. Parmar. 3. Biology and control of Aristobia horridula (hope) (Coleoptera: Cerambycidae) a pest of Pterocarpus Macrocarpus/Chaweewan Hutacharern and Supachote Eungwijaran Panya. 4. Study on bionomics and control of Dasychira axutha in Guizhou province, China/Deng Shirong and Lan Xinping. 5. Bird predators of Eligma narcissus cram on Ailanthus excelsa in Tamil Nadu, India/R. Annamalai, S. Thirumurthi, C. Surendran and V. Gunasekaran. 6. Soil pest complex and its control in the establishment of commercial plantations in South Africa/P. Govender. 7. Studies on the Psyllid Heteropsylla cubana on Subabul Plantations in Kerala, India/K.J. Joseph and T.S. Venkitesan. 8. Population trend of the Oleander aphid, Aphis nerii on host and non host trees and their nutrient composition/S. Murugesan, Meeta Gaur, R. Sundraraj and S. Kumar. 9. Stem gall of teak and its management/S.R. Madhavan Pillai and K.C. Gopi. 10. Defoliation of Celtis australis by the chrysomelid beetle Diorhabda lusca in North Western India/W.H. Parry, Susan, C. Hussay and T.D. Verma. 11. Food consumption and damage potential of Selepa celtis (Moore) (Lepidoptera : Noctuidae) to Acacia nilotica indica/Ranjeet Singh, K.R. Sasidharan, V. Jeeva and B. Deeparaj. 12. Biomass utilisation by Diacrisia obliqua walker feeding on Tectona grandis linn. F. and Parthenium Hysterophorus L/O.K. Ramadevi and V.R. Sivaramakrishnan. 13. Survival of rice bug Leptocorisa oratorius on graminaceous weeds in tropical forest environment in Southern Sri Lanka/Rohan H.S. Rajapakse. 14. Native biocontrol agents to arrest the progress of Leucaena Psyllid (heteropsylla cubana crawford) infestation in Peninsular India/S.R. Madhavan Pillai and K.C. Gopi. 15. Insect pests in forest nurseries in Karnataka, India, with notes on insecticidal control of a Psyllid on Albizia lebbeck/V.R. Sivaramakrishnan and O.K. Remadevi.

IV. Problem Statements: 1. Major insect pests of forest trees in North Bihar/M.S. Ali. 2. Insect pests associated with nurseries of selected tree crops in Kerala/B. Ambika Varma, K. Sudhakara and Beena Bhaskar. 3. Important insect pests of Forest Nurseries and Plantations in Arunachal Pradesh/Asham Borang. 4. Management of insect pests and diseases of forest tree species in Nigeria/M.O. Ashiru. 5. Insect pests of forest plantation trees in cameroon: a list of the principal species/Foahom. 6. Insect pests of Teak in Maharashtra, India/D.B. Ghude and M.G. Gogate. 7. Incidence of cerambcid Ggirdler attack in Teak Seed Orchard in Maharashtra, India/D.R. Gujar, D.B. Ghude and M.S. Gogate. 8. Emerging insect pest problems in tropical plantation forest in Indonesia/F. Gunarwan Suratmo. 9. Growing pest problems in Prosopis cineraria in arid zones of India/N.C. Jain. Recommendations of the symposium. Author Index.