What are examples of plant diseases?
Common plant diseases include fungal diseases, bacterial diseases, and viral diseases. Fungal diseases: black spot, rust, botrytis blight, powdery mildew. Bacterial diseases: black rot, bacterial canker, soft rot, leaf spot wilt, blight. On the other hand, pathogenic fungi cause plant diseases such as anthracnose, leaf spot, rust, wilt, blight, coils, scab, gall, canker, damping-off, root rot, mildew, and dieback.About 100 species of bacteria cause diseases in plants. Most plant pathogenic bacteria are facultative saprophytes and can be grown artificially on nutrient media; however, fastidious vascular bacteria are difficult to grow in culture and some of them have yet to be grown in culture.Symptoms may include wilted leaves, yellow leaves, dead leaf tissue, discolored vascular tissue (xylem), stunted plants, ring spots, mosaic, witch’s broom (as shown in the photo on this page), and the like.Common plant diseases include fungal diseases, bacterial diseases, and viral diseases. Fungal Diseases: Black spot, Rust, Botrytis blight, Powdery mildew. Bacterial Diseases: Black rot, Bacterial canker, Soft rot, Leaf spot wilt, Blight.
What are the 5 bacterial diseases in plants?
Plant pathogenic bacteria cause many different kinds of symptoms that include galls and overgrowths, wilts, leaf spots, specks and blights, soft rots, as well as scabs and cankers. Symptoms: Diseases make plants do “funny” things: wilt even if they are well watered, develop sooty black spots or a white fungus, or grow distorted leaves. Plant diseases tend to affect the whole plant, while insect pests attack individual fruit or leaves.Plant pest The term “plant pest” means any living stage of any of the following that can directly or indirectly injure, cause damage to, or cause disease in any plant or plant product: (A) A protozoan. B) A nonhuman animal. C) A parasitic plant. D) A bacterium.Plants can get sick just like humans and animals, and these sicknesses are called plant diseases. Some are caused by living organisms like bacteria, fungi, viruses, or viroids, while others happen naturally due to weather or soil conditions.Plant disease is defined as a condition in plants characterized by the disruption of normal physiological processes, often resulting from the interaction with pathogens that trigger immune responses, including various signals and phytohormones that regulate programmed cell death and innate immunity.
What are the 4 main diseases?
There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases. There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic and non-genetic hereditary diseases), and physiological diseases.There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.A variety of microorganisms can cause disease. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms. Some common pathogens in each group are listed in the column on the right. Infectious agents can grow in various body compartments, as shown schematically in Fig.
What are the top 5 common viral infections?
Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores). Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores). Many viruses go away on their own, but some cause life-threatening or chronic illnesses.
How can I identify plant diseases?
There are a variety of symptoms of plant disease such as spots, dead or dying tissue, fuzzy spores, bumps, bulges, and irregular coloration on the fruits. The disease triangle consists of a susceptible plant, a pathogen, and favorable environmental conditions that allow the pathogen to infect the plant. Fungal Diseases: Black spot, Rust, Botrytis blight, Powdery mildew. Bacterial Diseases: Black rot, Bacterial canker, Soft rot, Leaf spot wilt, Blight. Viral diseases: Mosaic virus, Tomato spotted wilt virus, Potato virus, Tomato yellow leaf curl virus, Cucumber mosaic virus.