Plant biotechnology has made tremendous progress in recent years. The present publication aims to provide enough information and examples to give the reader a sound knowledge of plant biotechnology in all its guises. The topics included in the book covers Bioengineering techniques, Plant breeding, Genetic recombination, Tissue culture, Cloning, Enzyme and Immunoassays. It deals with Disease resistance, Pest resistance, Herbicide resistance, transformation techniques and Pharmaceutical products. Although this book is aimed at undergraduate and postgraduate students but it is hoped that it is accessible, informative and enjoyable to other people too, as it doesn’t require huge amount of prior knowledge.