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Binomial name. Phytophthora infestans. ( Mont.) de Bary. 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".
The Great Famine, also known as the Great Hunger ( Irish: an Gorta Mór [ənˠ ˈɡɔɾˠt̪ˠə ˈmˠoːɾˠ] ), the Famine and the Irish Potato Famine, [1] [2] was a period of starvation and disease in Ireland lasting from 1845 to 1852 that constituted a historical social crisis and subsequently had a major impact on Irish society and history ...
The European potato failure was a food crisis caused by potato blight that struck Northern and Western Europe in the mid-1840s. The time is also known as the Hungry Forties . While the crisis produced excess mortality and suffering across the affected areas, particularly affected were the Scottish Highlands , with the Highland Potato Famine and ...
Blight is a rapid and complete chlorosis, browning, then death of plant tissues such as leaves, branches, twigs, or floral organs. [1] Accordingly, many diseases that primarily exhibit this symptom are called blights. Several notable examples are: [citation needed]
Alternaria solani. 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 ...
genus Luteovirus, Potato leafroll virus (PLRV) Potato mop-top virus ( spraing of tubers) genus Furovirus, Potato mop-top virus (PMTV) Potato rugose mosaic. genus Potyvirus, Potato virus Y (PVY, strains O, N and C) Potato stem mottle ( spraing of tubers) genus Tobravirus, Tobacco rattle virus (TRV) Potato spindle tuber.
The chronology of the Great Famine ( Irish: An Gorta Mór [1] or An Drochshaol, lit. 'The Bad Life') documents a period of Irish history between 29 November 1845 and 1852 [2] during which time the population of Ireland was reduced by 20 to 25 percent. [3] The proximate cause was famine resulting from a potato disease commonly known as late ...
Phytophthora infestans was the infective agent of the potato blight that caused the Great Famine of Ireland, and still remains the most destructive pathogen of solanaceous crops, including tomato and potato. [3] The soya bean root and stem rot agent, Phytophthora sojae, has also caused longstanding problems for the agricultural industry.