A wide range of pests, diseases and nutrient deficiencies can zap the vitality of any cannabis plant and any size garden. Ed Rosenthal wields his vast knowledge of botany and cannabis cultivation to help both the novice and seasoned marijuana gardener to prevent and eliminate any plant problems. In addition to showing how to get plants healthy, Marijuana Pest & Disease Control shows how to use design and garden practices to prevent future infections. Extensive colour photographs and illustrations provide invaluable visual information to help identify the exact problem.