Search results
Results from the WOW.Com Content Network
Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight , caused by Alternaria solani , is also often called "potato blight".
Darkening lesions on tomato leaves Advanced necrosis on tomato leaf. Stemphylium solani is of greatest concern in tomatoes, potatoes, peppers, garlic, onions, and cotton, though a wide range of over 20 species have proven susceptible. In tomatoes and potatoes, the resulting disease is known as grey leaf spot. In alliums it is known as leaf ...
Agroathelia rolfsii typically prefers warm, humid climates (whence the name of the disease, Southern Blight) which is required for optimal growth (i.e. to produce mycelium and sclerotia). [ 12 ] [ 8 ] [ 11 ] This makes the disease an important issue in regions such as the Southern United States of America, especially for solanaceous crops. [ 13 ]
Anthony Reardon is a horticulture agent with Kansas State University Research and Extension. Need help? Contact the Johnson County Extension gardening hotline at 913-715-7050 or email garden.help ...
Alternaria solani is a fungal pathogen that produces a disease in tomato and potato plants called early blight. The pathogen produces distinctive "bullseye" patterned leaf spots and can also cause stem lesions and fruit rot on tomato and tuber blight on potato. Despite the name "early", foliar symptoms usually occur on older leaves. [3]
Common Names of Diseases, The American Phytopathological Society; Tomato Diagnostic Key, The Cornell Plant Pathology Vegetable Disease Web Page; Tomato Diseases (Fact Sheets and Information Bulletins), The Cornell Plant Pathology Vegetable Disease Web Page; Gautam, P. 2008. Bacterial Speck Disease of Tomato: An Insight into Host-Bacteria ...
This year's warm weather caused the plants to grow rapidly, according to MacArthur, making the contest's timing just right for his crop.
Alternaria alternata is a fungus causing leaf spots, rots, and blights on many plant parts, and other diseases. It is an opportunistic [ citation needed ] pathogen on over 380 host species of plant. It can also cause upper respiratory tract infections [ 1 ] and asthma in humans with compromised immunity.