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Plant science has always been a fundamental area of biology, but the emphasis in the subject has
changed radically in the last two decades with a plethora of new information, much of it deriving from
techniques in molecular biology. This has deepened our understanding of plant processes and has illuminated
almost all aspects of plant biology. The ability to analyze genomes and to transfer genes has
opened possibilities for plant biotechnology and genetic manipulation undreamed-of in earlier decades.
There have been advances in ecological knowledge that, with increased awareness of the richness
of biodiversity, have shed new light on the relationships between plants, other organisms and their
interdependence. Plant breeders, ecologists and many people outside plant biology have become
acutely conscious of the aesthetic and economic value of the resources, so often dwindling, of the plant
kingdom.