introduction history of plant pathology 6 biological control 3 cultural control 3 methodology 3 bioecology of mango shoot gall psylid 2 nature and extent of damage 2 pest management tactics 2 A-Z of houseplants 1 FAQs on group discussiions 1 Planing of an orchard 1 abcic acid on parasites and pathogenesis 1 acknoowledgements 1 agricultural entomology 1 agriculture education 1 agriculture research 1 agrometeorological observatory 1 agrometeorology 1 an overview 1 anti fungal potency of water extracts 1 application of chemicals 1 applied ecology 1 aquatic weeds 1 arborist 1 arid and semi- arid regions 1 atmospheric pressure and wind 1 attacking pathogen 1 autonomous dispersal 1 basis and development 1 bench-mark survey in crops 1