The original research relating to the role of plant volatiles in pollinator-plant interaction, insect pollination and honey production potential of oilseed crops, species, rhynchosia rufescens, alstonia venenata, crytolepis buchanani, sida specias and chromolaena odorata, and also of some true mangrove species is included. further, plant colonization through succesion process in a terrestrial system and a review plants are also included.