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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".
Berg A. 1926. Tomato Late Blight and its Relation to Late Blight of Potato. Bonn WG, Zwet TVD. Distribution and economic importance of fire blight. Fire blight: the disease and its causative agent, Erwinia amylovora.:37–53. Erskine JM. 1973. Characteristics of Erwinia amylovora bacteriophage and its possible role in the epidemiology of fire ...
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]
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 Interaction.
Prevalent in tomatoes but also found in peppers, squash, cucumber, eggplant and watermelon, this physiological disorder is purely the result of a calcium deficiency within the plant itself ...
Late blight (oomycete) Phytophthora infestans [2] Leak : Pythium spp. Pythium ultimum var. ultimum = Pythium debaryanum Pythium aphanidermatum Pythium deliense. Pink rot : Phytophthora spp. Phytophthora cryptogea Phytophthora drechsleri Phytophthora erythroseptica Phytophthora megasperma Phytophthora nicotianae var. parasitica
In addition to its use to control fungal infection on grape vines, the mixture is also widely used to control potato blight, peach leaf curl and apple scab. Although it may be bad for the environment, [1] [2] some organic agriculture advocates allow its use, [citation needed] so is often used by organic gardeners in some parts of the world. [3]
It persisted throughout the summer infecting other hosts as well. It resulted in destroying up to 40 percent of the tomato plants grown. In Maryland, tomatoes are the second most important vegetable crop grown, accounting for 8.6 million dollars in profit. Annually, 25–30 short tons (23–27 t) of tomatoes are processed in Maryland. Tomatoes ...
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