Crown gall, a serious plant disease caused by the bacterium Agrobacterium tumefaciens, is characterized by the formation of large, tumor-like growths. These galls typically develop at the crown of the plant (where the stem meets the roots) but can also appear on stems and roots. By disrupting the plant’s water and nutrient transport systems, these …
Powdery mildew is a fungal plant disease, common among a wide range of plant species. Many species of ascomycete fungi (Erysiphales order) cause this disease. However, it is easy to identify this disease. Depending on the infecting strain and severity, the infected plants produce a lesser quantity or quality of fruits or flowers. Although no …
Conditions that disrupt normal plant growth are called plant diseases. These diseases disturb the growth, function, normal structure, and other activities in plants. Usually, some casual agents cause these disturbances in plants. These agents can be infectious or noninfectious. Infectious Plant Diseases: Pathogenic organisms such as bacteria, fungi, mycoplasma, viruses, viroid, nematodes, parasites, etc., cause …