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SCIENCE TECHNOLOGY Professor of Biotechnology and Plant Microbiology Department of Life Sciences Tel 868 662 2002 ext. 83092 Office ext. 82238 Plant-Microbe Lab Fax 1868 663-5241 E-mail jayaraj.jayaramansta.uwi.edu Website httpsta.uwi.edufstlifesciencesjjayaraman.asp PROF. JAYARAJ JAYARAMAN I have more than 22 years of extensive teaching and research experience at reputable universities in India USA and Canada. I have taught various courses in Microbiology Plant Pathology Molecular Biology and Biotechnology at undergraduate graduate and diploma levels. I have accomplished more than 20 externally funded research projects guided more than 20 graduate student research projects and published more than 90 refereed research publications on the above research areas.Through research I have developed several low-cost technologies for environment-friendly crop protection and culture methods and crop genetic improve- ment. Throughout my career I have been actively involved in the promotion of science at the community level. My researches hitherto have had straight relevance to the cause of human and environmental well-being and sustainability. Summary of Research Projects at The UWI P1 Use of seaweed products for the management of diseases and growth promotion of crops in Trinidad Funding Acadian SeaPlantsDartmouthNSCanada Extracts of the brown seaweed Ascophyllum nodosum have been used as a biostimulant to promote growth and productivity in a number of agricultural production systems.The field efficacy of commercial extracts of Ascophyllum has not been studied under Trinidad conditions. The parameters under investigation include growth effects yields quality of produce and disease suppression. Parallel greenhouse and growth chamber experiments are conducted to study the mechanism of growth promotion and induced disease resistance.Study results to date demonstrated the positive effect of seaweed extracts in tomato on plant growth yield and disease suppression. The molecular mechanisms under- lying the above effects were established. The postgraduate student is nearing completion of studies on tomato and submit- ting a thesis by September 2014. P2 Identification of phyto-elicitor compounds and novel chemical molecules from the seaweeds and seagrasses of Trinidad PI Funding Conservation Food and Health Foundation Boston MA USA The common seaweed and seagrass species found around Trinidad and Tobago were studied for antimicrobial elicitor and plant growth regulatory properties.At least six of the seaweed and two of the seagrass species were found to possess the above properties.Some of them at least two seaweeds and one seagrass were found to be far more active than any other species reported so far. These particular three species are being intensively studied for characterization of active molecules.The molecular mechanisms of action in plants and microbes are being verified through Q-PCR Arabidopsis mutantstranscript profiling and deep sequencing.The active compounds of two seaweeds have been characterized and their molecular structures were found to be certain fatty acids.Two research graduate students are working on this project. P3 Development of seaweed products from local seaweed species for environment-friendly crop protection PI Funding UNDP Local seaweed species are being tested for phyto-elicitor and plant growth regulatory activities. The molecular mechanisms are investigated using established plant models. Upon completion of investigation artificial formulations of seaweed extracts and other ingredients including chelated micronutrientsplant growth condi- tioners etc.will be attempted. P4 Developing sustainable disease management strategies to improve vegetable production towards self-sufficiency and food security in the Caribbean region PI Funding ACP Caribbean Pacific Research Program for Sustainable Development. The research activities outlined under this project aim to develop and evaluate classical pathogen management practices and integrated disease management IDM strategies at field level and propagate such successful practices for extensive and large scale adoption.The broad objectives of this project areto study the pattern and intensity of occurrence of plant diseases of important vegetable crops tomato bodi and pumpkin of the Caribbean and develop diagnostic tools to evolve IDM practices and sustainable plant health strategies for important vegetable cropsto propagate and promote new technologies developed for adoption at the field level and training of growers and agricultural personnel towards successful implementation. Four graduate research students and one post-doctoral scientist are working on this project. P5 Etiology of sudden decline and dieback of Columbian Red Cedar trees in Trinidad Co-PI with Dr.Adesh Ramsubhag Funding Ministry of Environment and Forestry FAO The etiology of the Columbian red cedar tree decline has been studied in detail.Several fungal species were isolated from infected 112