A valuable reference for students and researchers in plant physiology, crop production/protection, plant biochemistry, biotechnology and agriculture. It provides a current account of the importance of weeds to crop yield and quality; Examines precise sites of herbicide action and mechanisms of herbicide selectivity and resistance; Reviews commercial and biotechnological applications, including genetically engineered herbicide resistance in crops; and more. 1st edition was published by Chapman & Hall, 1992.