""Symptoms of Disease in Plants"" is a comprehensive guide to identifying and treating plant diseases, first published in 1909 by Fred Deforest Heald. The book covers a wide range of topics, including the causes and symptoms of plant diseases, the different types of plant pathogens, and methods for preventing and treating plant diseases. Heald provides detailed descriptions of common plant diseases, such as blight, rust, and wilt, and offers practical...