"This all-new disease and insect compendium for sunflower crops will serve as a vital field guide at universities, extension offices, diagnostic labs, farms, and even homes where sunflowers are grown. It includes nearly 300 images and research-based management recommendations, allowing users to scout, identify, and manage a range of plant diseases and insect pests of sunflowers whether they're grown for food or décor!"--

Specialists from around the world provide a basic diagnostic tool for identifying diseases of the grain and related problems that anyone with a technical background in plant disease diagnosis should be able to use. They cover the many biotic and the few abiotic diseases, beneficial microorganisms, insect pests, and methods of control. Color photographs show clearly the symptoms. The extensive glossary does not indicate pronunciations. The first edition appeared in 1986. Annotation copyrighted by Book News, Inc., Portland, OR

Disease in the absence of infectious pathogens. Genetic abnormalities. Adverse environment. Nutrient imbalance. Disease in the presence of infectious pathogens. Fungi. Viruses. Mycoplasmas. Insect toxins. Nematodes. Aphids. Seed potato certification.